3246 lines
93 KiB
PHP
Executable File
3246 lines
93 KiB
PHP
Executable File
<?php
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/**
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* SimplePie
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*
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* A PHP-Based RSS and Atom Feed Framework.
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* Takes the hard work out of managing a complete RSS/Atom solution.
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*
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* Copyright (c) 2004-2017, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* * Neither the name of the SimplePie Team nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
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* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @package SimplePie
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* @version 1.5.6
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* @copyright 2004-2017 Ryan Parman, Sam Sneddon, Ryan McCue
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* @author Ryan Parman
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* @author Sam Sneddon
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* @author Ryan McCue
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* @link http://simplepie.org/ SimplePie
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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*/
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/**
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* SimplePie Name
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*/
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define('SIMPLEPIE_NAME', 'SimplePie');
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/**
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* SimplePie Version
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*/
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define('SIMPLEPIE_VERSION', '1.5.6');
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/**
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* SimplePie Build
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* @todo Hardcode for release (there's no need to have to call SimplePie_Misc::get_build() only every load of simplepie.inc)
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*/
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define('SIMPLEPIE_BUILD', gmdate('YmdHis', SimplePie_Misc::get_build()));
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/**
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* SimplePie Website URL
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*/
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define('SIMPLEPIE_URL', 'http://simplepie.org');
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/**
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* SimplePie Useragent
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* @see SimplePie::set_useragent()
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*/
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define('SIMPLEPIE_USERAGENT', SIMPLEPIE_NAME . '/' . SIMPLEPIE_VERSION . ' (Feed Parser; ' . SIMPLEPIE_URL . '; Allow like Gecko) Build/' . SIMPLEPIE_BUILD);
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/**
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* SimplePie Linkback
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*/
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define('SIMPLEPIE_LINKBACK', '<a href="' . SIMPLEPIE_URL . '" title="' . SIMPLEPIE_NAME . ' ' . SIMPLEPIE_VERSION . '">' . SIMPLEPIE_NAME . '</a>');
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/**
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* No Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_NONE', 0);
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/**
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* Feed Link Element Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_AUTODISCOVERY', 1);
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/**
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* Local Feed Extension Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_LOCAL_EXTENSION', 2);
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/**
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* Local Feed Body Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_LOCAL_BODY', 4);
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/**
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* Remote Feed Extension Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_REMOTE_EXTENSION', 8);
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/**
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* Remote Feed Body Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_REMOTE_BODY', 16);
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/**
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* All Feed Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_ALL', 31);
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/**
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* No known feed type
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*/
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define('SIMPLEPIE_TYPE_NONE', 0);
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/**
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* RSS 0.90
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*/
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define('SIMPLEPIE_TYPE_RSS_090', 1);
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/**
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* RSS 0.91 (Netscape)
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*/
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define('SIMPLEPIE_TYPE_RSS_091_NETSCAPE', 2);
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/**
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* RSS 0.91 (Userland)
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*/
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define('SIMPLEPIE_TYPE_RSS_091_USERLAND', 4);
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/**
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* RSS 0.91 (both Netscape and Userland)
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*/
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define('SIMPLEPIE_TYPE_RSS_091', 6);
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/**
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* RSS 0.92
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*/
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define('SIMPLEPIE_TYPE_RSS_092', 8);
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/**
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* RSS 0.93
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*/
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define('SIMPLEPIE_TYPE_RSS_093', 16);
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/**
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* RSS 0.94
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*/
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define('SIMPLEPIE_TYPE_RSS_094', 32);
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/**
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* RSS 1.0
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*/
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define('SIMPLEPIE_TYPE_RSS_10', 64);
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/**
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* RSS 2.0
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*/
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define('SIMPLEPIE_TYPE_RSS_20', 128);
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/**
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* RDF-based RSS
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*/
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define('SIMPLEPIE_TYPE_RSS_RDF', 65);
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/**
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* Non-RDF-based RSS (truly intended as syndication format)
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*/
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define('SIMPLEPIE_TYPE_RSS_SYNDICATION', 190);
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/**
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* All RSS
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*/
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define('SIMPLEPIE_TYPE_RSS_ALL', 255);
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/**
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* Atom 0.3
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*/
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define('SIMPLEPIE_TYPE_ATOM_03', 256);
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/**
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* Atom 1.0
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*/
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define('SIMPLEPIE_TYPE_ATOM_10', 512);
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/**
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* All Atom
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*/
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define('SIMPLEPIE_TYPE_ATOM_ALL', 768);
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/**
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* All feed types
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*/
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define('SIMPLEPIE_TYPE_ALL', 1023);
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/**
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* No construct
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*/
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define('SIMPLEPIE_CONSTRUCT_NONE', 0);
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/**
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* Text construct
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*/
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define('SIMPLEPIE_CONSTRUCT_TEXT', 1);
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/**
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* HTML construct
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*/
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define('SIMPLEPIE_CONSTRUCT_HTML', 2);
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/**
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* XHTML construct
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*/
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define('SIMPLEPIE_CONSTRUCT_XHTML', 4);
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/**
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* base64-encoded construct
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*/
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define('SIMPLEPIE_CONSTRUCT_BASE64', 8);
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/**
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* IRI construct
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*/
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define('SIMPLEPIE_CONSTRUCT_IRI', 16);
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/**
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* A construct that might be HTML
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*/
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define('SIMPLEPIE_CONSTRUCT_MAYBE_HTML', 32);
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/**
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* All constructs
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*/
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define('SIMPLEPIE_CONSTRUCT_ALL', 63);
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/**
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* Don't change case
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*/
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define('SIMPLEPIE_SAME_CASE', 1);
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/**
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* Change to lowercase
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*/
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define('SIMPLEPIE_LOWERCASE', 2);
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/**
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* Change to uppercase
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*/
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define('SIMPLEPIE_UPPERCASE', 4);
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/**
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* PCRE for HTML attributes
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*/
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define('SIMPLEPIE_PCRE_HTML_ATTRIBUTE', '((?:[\x09\x0A\x0B\x0C\x0D\x20]+[^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?)*)[\x09\x0A\x0B\x0C\x0D\x20]*');
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/**
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* PCRE for XML attributes
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*/
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define('SIMPLEPIE_PCRE_XML_ATTRIBUTE', '((?:\s+(?:(?:[^\s:]+:)?[^\s:]+)\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'))*)\s*');
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/**
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* XML Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_XML', 'http://www.w3.org/XML/1998/namespace');
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/**
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* Atom 1.0 Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_ATOM_10', 'http://www.w3.org/2005/Atom');
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/**
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* Atom 0.3 Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_ATOM_03', 'http://purl.org/atom/ns#');
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/**
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* RDF Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_RDF', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');
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/**
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* RSS 0.90 Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_RSS_090', 'http://my.netscape.com/rdf/simple/0.9/');
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/**
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* RSS 1.0 Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_RSS_10', 'http://purl.org/rss/1.0/');
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/**
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* RSS 1.0 Content Module Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT', 'http://purl.org/rss/1.0/modules/content/');
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/**
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* RSS 2.0 Namespace
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* (Stupid, I know, but I'm certain it will confuse people less with support.)
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*/
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define('SIMPLEPIE_NAMESPACE_RSS_20', '');
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/**
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* DC 1.0 Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_DC_10', 'http://purl.org/dc/elements/1.0/');
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/**
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* DC 1.1 Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_DC_11', 'http://purl.org/dc/elements/1.1/');
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/**
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* W3C Basic Geo (WGS84 lat/long) Vocabulary Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO', 'http://www.w3.org/2003/01/geo/wgs84_pos#');
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/**
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* GeoRSS Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_GEORSS', 'http://www.georss.org/georss');
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/**
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* Media RSS Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_MEDIARSS', 'http://search.yahoo.com/mrss/');
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/**
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* Wrong Media RSS Namespace. Caused by a long-standing typo in the spec.
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*/
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define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG', 'http://search.yahoo.com/mrss');
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/**
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* Wrong Media RSS Namespace #2. New namespace introduced in Media RSS 1.5.
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*/
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define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2', 'http://video.search.yahoo.com/mrss');
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/**
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* Wrong Media RSS Namespace #3. A possible typo of the Media RSS 1.5 namespace.
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*/
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define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3', 'http://video.search.yahoo.com/mrss/');
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/**
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* Wrong Media RSS Namespace #4. New spec location after the RSS Advisory Board takes it over, but not a valid namespace.
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*/
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define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4', 'http://www.rssboard.org/media-rss');
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/**
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* Wrong Media RSS Namespace #5. A possible typo of the RSS Advisory Board URL.
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*/
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define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5', 'http://www.rssboard.org/media-rss/');
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/**
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* iTunes RSS Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_ITUNES', 'http://www.itunes.com/dtds/podcast-1.0.dtd');
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/**
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* XHTML Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_XHTML', 'http://www.w3.org/1999/xhtml');
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/**
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* IANA Link Relations Registry
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*/
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define('SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY', 'http://www.iana.org/assignments/relation/');
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/**
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* No file source
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*/
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define('SIMPLEPIE_FILE_SOURCE_NONE', 0);
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/**
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* Remote file source
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*/
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define('SIMPLEPIE_FILE_SOURCE_REMOTE', 1);
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/**
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* Local file source
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*/
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define('SIMPLEPIE_FILE_SOURCE_LOCAL', 2);
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/**
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* fsockopen() file source
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*/
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define('SIMPLEPIE_FILE_SOURCE_FSOCKOPEN', 4);
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/**
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* cURL file source
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*/
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define('SIMPLEPIE_FILE_SOURCE_CURL', 8);
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/**
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* file_get_contents() file source
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*/
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define('SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS', 16);
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/**
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* SimplePie
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*
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* @package SimplePie
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* @subpackage API
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*/
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class SimplePie
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{
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/**
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* @var array Raw data
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* @access private
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*/
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public $data = array();
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/**
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* @var mixed Error string
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* @access private
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*/
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public $error;
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/**
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* @var object Instance of SimplePie_Sanitize (or other class)
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* @see SimplePie::set_sanitize_class()
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* @access private
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*/
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public $sanitize;
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/**
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* @var string SimplePie Useragent
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* @see SimplePie::set_useragent()
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* @access private
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*/
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public $useragent = SIMPLEPIE_USERAGENT;
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/**
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* @var string Feed URL
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* @see SimplePie::set_feed_url()
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* @access private
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*/
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public $feed_url;
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/**
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* @var string Original feed URL, or new feed URL iff HTTP 301 Moved Permanently
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* @see SimplePie::subscribe_url()
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* @access private
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*/
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public $permanent_url = null;
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/**
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* @var object Instance of SimplePie_File to use as a feed
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* @see SimplePie::set_file()
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* @access private
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*/
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public $file;
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/**
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* @var string Raw feed data
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* @see SimplePie::set_raw_data()
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* @access private
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*/
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public $raw_data;
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/**
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* @var int Timeout for fetching remote files
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* @see SimplePie::set_timeout()
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* @access private
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*/
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public $timeout = 10;
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/**
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* @var array Custom curl options
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* @see SimplePie::set_curl_options()
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* @access private
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*/
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public $curl_options = array();
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/**
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* @var bool Forces fsockopen() to be used for remote files instead
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* of cURL, even if a new enough version is installed
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* @see SimplePie::force_fsockopen()
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* @access private
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*/
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public $force_fsockopen = false;
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/**
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* @var bool Force the given data/URL to be treated as a feed no matter what
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* it appears like
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* @see SimplePie::force_feed()
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* @access private
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*/
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public $force_feed = false;
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/**
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* @var bool Enable/Disable Caching
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* @see SimplePie::enable_cache()
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* @access private
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*/
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public $cache = true;
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/**
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* @var bool Force SimplePie to fallback to expired cache, if enabled,
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* when feed is unavailable.
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* @see SimplePie::force_cache_fallback()
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* @access private
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*/
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public $force_cache_fallback = false;
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/**
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* @var int Cache duration (in seconds)
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* @see SimplePie::set_cache_duration()
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* @access private
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*/
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public $cache_duration = 3600;
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/**
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* @var int Auto-discovery cache duration (in seconds)
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* @see SimplePie::set_autodiscovery_cache_duration()
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* @access private
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*/
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public $autodiscovery_cache_duration = 604800; // 7 Days.
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|
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/**
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* @var string Cache location (relative to executing script)
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* @see SimplePie::set_cache_location()
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* @access private
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*/
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public $cache_location = './cache';
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/**
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* @var string Function that creates the cache filename
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* @see SimplePie::set_cache_name_function()
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* @access private
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*/
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public $cache_name_function = 'md5';
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/**
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* @var bool Reorder feed by date descending
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* @see SimplePie::enable_order_by_date()
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* @access private
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*/
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public $order_by_date = true;
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/**
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* @var mixed Force input encoding to be set to the follow value
|
|
* (false, or anything type-cast to false, disables this feature)
|
|
* @see SimplePie::set_input_encoding()
|
|
* @access private
|
|
*/
|
|
public $input_encoding = false;
|
|
|
|
/**
|
|
* @var int Feed Autodiscovery Level
|
|
* @see SimplePie::set_autodiscovery_level()
|
|
* @access private
|
|
*/
|
|
public $autodiscovery = SIMPLEPIE_LOCATOR_ALL;
|
|
|
|
/**
|
|
* Class registry object
|
|
*
|
|
* @var SimplePie_Registry
|
|
*/
|
|
public $registry;
|
|
|
|
/**
|
|
* @var int Maximum number of feeds to check with autodiscovery
|
|
* @see SimplePie::set_max_checked_feeds()
|
|
* @access private
|
|
*/
|
|
public $max_checked_feeds = 10;
|
|
|
|
/**
|
|
* @var array All the feeds found during the autodiscovery process
|
|
* @see SimplePie::get_all_discovered_feeds()
|
|
* @access private
|
|
*/
|
|
public $all_discovered_feeds = array();
|
|
|
|
/**
|
|
* @var string Web-accessible path to the handler_image.php file.
|
|
* @see SimplePie::set_image_handler()
|
|
* @access private
|
|
*/
|
|
public $image_handler = '';
|
|
|
|
/**
|
|
* @var array Stores the URLs when multiple feeds are being initialized.
|
|
* @see SimplePie::set_feed_url()
|
|
* @access private
|
|
*/
|
|
public $multifeed_url = array();
|
|
|
|
/**
|
|
* @var array Stores SimplePie objects when multiple feeds initialized.
|
|
* @access private
|
|
*/
|
|
public $multifeed_objects = array();
|
|
|
|
/**
|
|
* @var array Stores the get_object_vars() array for use with multifeeds.
|
|
* @see SimplePie::set_feed_url()
|
|
* @access private
|
|
*/
|
|
public $config_settings = null;
|
|
|
|
/**
|
|
* @var integer Stores the number of items to return per-feed with multifeeds.
|
|
* @see SimplePie::set_item_limit()
|
|
* @access private
|
|
*/
|
|
public $item_limit = 0;
|
|
|
|
/**
|
|
* @var bool Stores if last-modified and/or etag headers were sent with the
|
|
* request when checking a feed.
|
|
*/
|
|
public $check_modified = false;
|
|
|
|
/**
|
|
* @var array Stores the default attributes to be stripped by strip_attributes().
|
|
* @see SimplePie::strip_attributes()
|
|
* @access private
|
|
*/
|
|
public $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
|
|
|
|
/**
|
|
* @var array Stores the default attributes to add to different tags by add_attributes().
|
|
* @see SimplePie::add_attributes()
|
|
* @access private
|
|
*/
|
|
public $add_attributes = array('audio' => array('preload' => 'none'), 'iframe' => array('sandbox' => 'allow-scripts allow-same-origin'), 'video' => array('preload' => 'none'));
|
|
|
|
/**
|
|
* @var array Stores the default tags to be stripped by strip_htmltags().
|
|
* @see SimplePie::strip_htmltags()
|
|
* @access private
|
|
*/
|
|
public $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
|
|
|
|
/**
|
|
* @var bool Should we throw exceptions, or use the old-style error property?
|
|
* @access private
|
|
*/
|
|
public $enable_exceptions = false;
|
|
|
|
/**
|
|
* The SimplePie class contains feed level data and options
|
|
*
|
|
* To use SimplePie, create the SimplePie object with no parameters. You can
|
|
* then set configuration options using the provided methods. After setting
|
|
* them, you must initialise the feed using $feed->init(). At that point the
|
|
* object's methods and properties will be available to you.
|
|
*
|
|
* Previously, it was possible to pass in the feed URL along with cache
|
|
* options directly into the constructor. This has been removed as of 1.3 as
|
|
* it caused a lot of confusion.
|
|
*
|
|
* @since 1.0 Preview Release
|
|
*/
|
|
public function __construct()
|
|
{
|
|
if (version_compare(PHP_VERSION, '5.6', '<'))
|
|
{
|
|
trigger_error('Please upgrade to PHP 5.6 or newer.');
|
|
die();
|
|
}
|
|
|
|
// Other objects, instances created here so we can set options on them
|
|
$this->sanitize = new SimplePie_Sanitize();
|
|
$this->registry = new SimplePie_Registry();
|
|
|
|
if (func_num_args() > 0)
|
|
{
|
|
$level = defined('E_USER_DEPRECATED') ? E_USER_DEPRECATED : E_USER_WARNING;
|
|
trigger_error('Passing parameters to the constructor is no longer supported. Please use set_feed_url(), set_cache_location(), and set_cache_duration() directly.', $level);
|
|
|
|
$args = func_get_args();
|
|
switch (count($args)) {
|
|
case 3:
|
|
$this->set_cache_duration($args[2]);
|
|
case 2:
|
|
$this->set_cache_location($args[1]);
|
|
case 1:
|
|
$this->set_feed_url($args[0]);
|
|
$this->init();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Used for converting object to a string
|
|
*/
|
|
public function __toString()
|
|
{
|
|
return md5(serialize($this->data));
|
|
}
|
|
|
|
/**
|
|
* Remove items that link back to this before destroying this object
|
|
*/
|
|
public function __destruct()
|
|
{
|
|
if (!gc_enabled())
|
|
{
|
|
if (!empty($this->data['items']))
|
|
{
|
|
foreach ($this->data['items'] as $item)
|
|
{
|
|
$item->__destruct();
|
|
}
|
|
unset($item, $this->data['items']);
|
|
}
|
|
if (!empty($this->data['ordered_items']))
|
|
{
|
|
foreach ($this->data['ordered_items'] as $item)
|
|
{
|
|
$item->__destruct();
|
|
}
|
|
unset($item, $this->data['ordered_items']);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Force the given data/URL to be treated as a feed
|
|
*
|
|
* This tells SimplePie to ignore the content-type provided by the server.
|
|
* Be careful when using this option, as it will also disable autodiscovery.
|
|
*
|
|
* @since 1.1
|
|
* @param bool $enable Force the given data/URL to be treated as a feed
|
|
*/
|
|
public function force_feed($enable = false)
|
|
{
|
|
$this->force_feed = (bool) $enable;
|
|
}
|
|
|
|
/**
|
|
* Set the URL of the feed you want to parse
|
|
*
|
|
* This allows you to enter the URL of the feed you want to parse, or the
|
|
* website you want to try to use auto-discovery on. This takes priority
|
|
* over any set raw data.
|
|
*
|
|
* You can set multiple feeds to mash together by passing an array instead
|
|
* of a string for the $url. Remember that with each additional feed comes
|
|
* additional processing and resources.
|
|
*
|
|
* @since 1.0 Preview Release
|
|
* @see set_raw_data()
|
|
* @param string|array $url This is the URL (or array of URLs) that you want to parse.
|
|
*/
|
|
public function set_feed_url($url)
|
|
{
|
|
$this->multifeed_url = array();
|
|
if (is_array($url))
|
|
{
|
|
foreach ($url as $value)
|
|
{
|
|
$this->multifeed_url[] = $this->registry->call('Misc', 'fix_protocol', array($value, 1));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->feed_url = $this->registry->call('Misc', 'fix_protocol', array($url, 1));
|
|
$this->permanent_url = $this->feed_url;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set an instance of {@see SimplePie_File} to use as a feed
|
|
*
|
|
* @param SimplePie_File &$file
|
|
* @return bool True on success, false on failure
|
|
*/
|
|
public function set_file(&$file)
|
|
{
|
|
if ($file instanceof SimplePie_File)
|
|
{
|
|
$this->feed_url = $file->url;
|
|
$this->permanent_url = $this->feed_url;
|
|
$this->file =& $file;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Set the raw XML data to parse
|
|
*
|
|
* Allows you to use a string of RSS/Atom data instead of a remote feed.
|
|
*
|
|
* If you have a feed available as a string in PHP, you can tell SimplePie
|
|
* to parse that data string instead of a remote feed. Any set feed URL
|
|
* takes precedence.
|
|
*
|
|
* @since 1.0 Beta 3
|
|
* @param string $data RSS or Atom data as a string.
|
|
* @see set_feed_url()
|
|
*/
|
|
public function set_raw_data($data)
|
|
{
|
|
$this->raw_data = $data;
|
|
}
|
|
|
|
/**
|
|
* Set the default timeout for fetching remote feeds
|
|
*
|
|
* This allows you to change the maximum time the feed's server to respond
|
|
* and send the feed back.
|
|
*
|
|
* @since 1.0 Beta 3
|
|
* @param int $timeout The maximum number of seconds to spend waiting to retrieve a feed.
|
|
*/
|
|
public function set_timeout($timeout = 10)
|
|
{
|
|
$this->timeout = (int) $timeout;
|
|
}
|
|
|
|
/**
|
|
* Set custom curl options
|
|
*
|
|
* This allows you to change default curl options
|
|
*
|
|
* @since 1.0 Beta 3
|
|
* @param array $curl_options Curl options to add to default settings
|
|
*/
|
|
public function set_curl_options(array $curl_options = array())
|
|
{
|
|
$this->curl_options = $curl_options;
|
|
}
|
|
|
|
/**
|
|
* Force SimplePie to use fsockopen() instead of cURL
|
|
*
|
|
* @since 1.0 Beta 3
|
|
* @param bool $enable Force fsockopen() to be used
|
|
*/
|
|
public function force_fsockopen($enable = false)
|
|
{
|
|
$this->force_fsockopen = (bool) $enable;
|
|
}
|
|
|
|
/**
|
|
* Enable/disable caching in SimplePie.
|
|
*
|
|
* This option allows you to disable caching all-together in SimplePie.
|
|
* However, disabling the cache can lead to longer load times.
|
|
*
|
|
* @since 1.0 Preview Release
|
|
* @param bool $enable Enable caching
|
|
*/
|
|
public function enable_cache($enable = true)
|
|
{
|
|
$this->cache = (bool) $enable;
|
|
}
|
|
|
|
/**
|
|
* SimplePie to continue to fall back to expired cache, if enabled, when
|
|
* feed is unavailable.
|
|
*
|
|
* This tells SimplePie to ignore any file errors and fall back to cache
|
|
* instead. This only works if caching is enabled and cached content
|
|
* still exists.
|
|
|
|
* @param bool $enable Force use of cache on fail.
|
|
*/
|
|
public function force_cache_fallback($enable = false)
|
|
{
|
|
$this->force_cache_fallback= (bool) $enable;
|
|
}
|
|
|
|
/**
|
|
* Set the length of time (in seconds) that the contents of a feed will be
|
|
* cached
|
|
*
|
|
* @param int $seconds The feed content cache duration
|
|
*/
|
|
public function set_cache_duration($seconds = 3600)
|
|
{
|
|
$this->cache_duration = (int) $seconds;
|
|
}
|
|
|
|
/**
|
|
* Set the length of time (in seconds) that the autodiscovered feed URL will
|
|
* be cached
|
|
*
|
|
* @param int $seconds The autodiscovered feed URL cache duration.
|
|
*/
|
|
public function set_autodiscovery_cache_duration($seconds = 604800)
|
|
{
|
|
$this->autodiscovery_cache_duration = (int) $seconds;
|
|
}
|
|
|
|
/**
|
|
* Set the file system location where the cached files should be stored
|
|
*
|
|
* @param string $location The file system location.
|
|
*/
|
|
public function set_cache_location($location = './cache')
|
|
{
|
|
$this->cache_location = (string) $location;
|
|
}
|
|
|
|
/**
|
|
* Set whether feed items should be sorted into reverse chronological order
|
|
*
|
|
* @param bool $enable Sort as reverse chronological order.
|
|
*/
|
|
public function enable_order_by_date($enable = true)
|
|
{
|
|
$this->order_by_date = (bool) $enable;
|
|
}
|
|
|
|
/**
|
|
* Set the character encoding used to parse the feed
|
|
*
|
|
* This overrides the encoding reported by the feed, however it will fall
|
|
* back to the normal encoding detection if the override fails
|
|
*
|
|
* @param string $encoding Character encoding
|
|
*/
|
|
public function set_input_encoding($encoding = false)
|
|
{
|
|
if ($encoding)
|
|
{
|
|
$this->input_encoding = (string) $encoding;
|
|
}
|
|
else
|
|
{
|
|
$this->input_encoding = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set how much feed autodiscovery to do
|
|
*
|
|
* @see SIMPLEPIE_LOCATOR_NONE
|
|
* @see SIMPLEPIE_LOCATOR_AUTODISCOVERY
|
|
* @see SIMPLEPIE_LOCATOR_LOCAL_EXTENSION
|
|
* @see SIMPLEPIE_LOCATOR_LOCAL_BODY
|
|
* @see SIMPLEPIE_LOCATOR_REMOTE_EXTENSION
|
|
* @see SIMPLEPIE_LOCATOR_REMOTE_BODY
|
|
* @see SIMPLEPIE_LOCATOR_ALL
|
|
* @param int $level Feed Autodiscovery Level (level can be a combination of the above constants, see bitwise OR operator)
|
|
*/
|
|
public function set_autodiscovery_level($level = SIMPLEPIE_LOCATOR_ALL)
|
|
{
|
|
$this->autodiscovery = (int) $level;
|
|
}
|
|
|
|
/**
|
|
* Get the class registry
|
|
*
|
|
* Use this to override SimplePie's default classes
|
|
* @see SimplePie_Registry
|
|
* @return SimplePie_Registry
|
|
*/
|
|
public function &get_registry()
|
|
{
|
|
return $this->registry;
|
|
}
|
|
|
|
/**#@+
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @deprecated Use {@see get_registry()} instead
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
* @param string $class Name of custom class
|
|
* @return boolean True on success, false otherwise
|
|
*/
|
|
/**
|
|
* Set which class SimplePie uses for caching
|
|
*/
|
|
public function set_cache_class($class = 'SimplePie_Cache')
|
|
{
|
|
return $this->registry->register('Cache', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for auto-discovery
|
|
*/
|
|
public function set_locator_class($class = 'SimplePie_Locator')
|
|
{
|
|
return $this->registry->register('Locator', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for XML parsing
|
|
*/
|
|
public function set_parser_class($class = 'SimplePie_Parser')
|
|
{
|
|
return $this->registry->register('Parser', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for remote file fetching
|
|
*/
|
|
public function set_file_class($class = 'SimplePie_File')
|
|
{
|
|
return $this->registry->register('File', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for data sanitization
|
|
*/
|
|
public function set_sanitize_class($class = 'SimplePie_Sanitize')
|
|
{
|
|
return $this->registry->register('Sanitize', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for handling feed items
|
|
*/
|
|
public function set_item_class($class = 'SimplePie_Item')
|
|
{
|
|
return $this->registry->register('Item', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for handling author data
|
|
*/
|
|
public function set_author_class($class = 'SimplePie_Author')
|
|
{
|
|
return $this->registry->register('Author', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for handling category data
|
|
*/
|
|
public function set_category_class($class = 'SimplePie_Category')
|
|
{
|
|
return $this->registry->register('Category', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for feed enclosures
|
|
*/
|
|
public function set_enclosure_class($class = 'SimplePie_Enclosure')
|
|
{
|
|
return $this->registry->register('Enclosure', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for `<media:text>` captions
|
|
*/
|
|
public function set_caption_class($class = 'SimplePie_Caption')
|
|
{
|
|
return $this->registry->register('Caption', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for `<media:copyright>`
|
|
*/
|
|
public function set_copyright_class($class = 'SimplePie_Copyright')
|
|
{
|
|
return $this->registry->register('Copyright', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for `<media:credit>`
|
|
*/
|
|
public function set_credit_class($class = 'SimplePie_Credit')
|
|
{
|
|
return $this->registry->register('Credit', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for `<media:rating>`
|
|
*/
|
|
public function set_rating_class($class = 'SimplePie_Rating')
|
|
{
|
|
return $this->registry->register('Rating', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for `<media:restriction>`
|
|
*/
|
|
public function set_restriction_class($class = 'SimplePie_Restriction')
|
|
{
|
|
return $this->registry->register('Restriction', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses for content-type sniffing
|
|
*/
|
|
public function set_content_type_sniffer_class($class = 'SimplePie_Content_Type_Sniffer')
|
|
{
|
|
return $this->registry->register('Content_Type_Sniffer', $class, true);
|
|
}
|
|
|
|
/**
|
|
* Set which class SimplePie uses item sources
|
|
*/
|
|
public function set_source_class($class = 'SimplePie_Source')
|
|
{
|
|
return $this->registry->register('Source', $class, true);
|
|
}
|
|
/**#@-*/
|
|
|
|
/**
|
|
* Set the user agent string
|
|
*
|
|
* @param string $ua New user agent string.
|
|
*/
|
|
public function set_useragent($ua = SIMPLEPIE_USERAGENT)
|
|
{
|
|
$this->useragent = (string) $ua;
|
|
}
|
|
|
|
/**
|
|
* Set callback function to create cache filename with
|
|
*
|
|
* @param mixed $function Callback function
|
|
*/
|
|
public function set_cache_name_function($function = 'md5')
|
|
{
|
|
if (is_callable($function))
|
|
{
|
|
$this->cache_name_function = $function;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set options to make SP as fast as possible
|
|
*
|
|
* Forgoes a substantial amount of data sanitization in favor of speed. This
|
|
* turns SimplePie into a dumb parser of feeds.
|
|
*
|
|
* @param bool $set Whether to set them or not
|
|
*/
|
|
public function set_stupidly_fast($set = false)
|
|
{
|
|
if ($set)
|
|
{
|
|
$this->enable_order_by_date(false);
|
|
$this->remove_div(false);
|
|
$this->strip_comments(false);
|
|
$this->strip_htmltags(false);
|
|
$this->strip_attributes(false);
|
|
$this->add_attributes(false);
|
|
$this->set_image_handler(false);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set maximum number of feeds to check with autodiscovery
|
|
*
|
|
* @param int $max Maximum number of feeds to check
|
|
*/
|
|
public function set_max_checked_feeds($max = 10)
|
|
{
|
|
$this->max_checked_feeds = (int) $max;
|
|
}
|
|
|
|
public function remove_div($enable = true)
|
|
{
|
|
$this->sanitize->remove_div($enable);
|
|
}
|
|
|
|
public function strip_htmltags($tags = '', $encode = null)
|
|
{
|
|
if ($tags === '')
|
|
{
|
|
$tags = $this->strip_htmltags;
|
|
}
|
|
$this->sanitize->strip_htmltags($tags);
|
|
if ($encode !== null)
|
|
{
|
|
$this->sanitize->encode_instead_of_strip($tags);
|
|
}
|
|
}
|
|
|
|
public function encode_instead_of_strip($enable = true)
|
|
{
|
|
$this->sanitize->encode_instead_of_strip($enable);
|
|
}
|
|
|
|
public function strip_attributes($attribs = '')
|
|
{
|
|
if ($attribs === '')
|
|
{
|
|
$attribs = $this->strip_attributes;
|
|
}
|
|
$this->sanitize->strip_attributes($attribs);
|
|
}
|
|
|
|
public function add_attributes($attribs = '')
|
|
{
|
|
if ($attribs === '')
|
|
{
|
|
$attribs = $this->add_attributes;
|
|
}
|
|
$this->sanitize->add_attributes($attribs);
|
|
}
|
|
|
|
/**
|
|
* Set the output encoding
|
|
*
|
|
* Allows you to override SimplePie's output to match that of your webpage.
|
|
* This is useful for times when your webpages are not being served as
|
|
* UTF-8. This setting will be obeyed by {@see handle_content_type()}, and
|
|
* is similar to {@see set_input_encoding()}.
|
|
*
|
|
* It should be noted, however, that not all character encodings can support
|
|
* all characters. If your page is being served as ISO-8859-1 and you try
|
|
* to display a Japanese feed, you'll likely see garbled characters.
|
|
* Because of this, it is highly recommended to ensure that your webpages
|
|
* are served as UTF-8.
|
|
*
|
|
* The number of supported character encodings depends on whether your web
|
|
* host supports {@link http://php.net/mbstring mbstring},
|
|
* {@link http://php.net/iconv iconv}, or both. See
|
|
* {@link http://simplepie.org/wiki/faq/Supported_Character_Encodings} for
|
|
* more information.
|
|
*
|
|
* @param string $encoding
|
|
*/
|
|
public function set_output_encoding($encoding = 'UTF-8')
|
|
{
|
|
$this->sanitize->set_output_encoding($encoding);
|
|
}
|
|
|
|
public function strip_comments($strip = false)
|
|
{
|
|
$this->sanitize->strip_comments($strip);
|
|
}
|
|
|
|
/**
|
|
* Set element/attribute key/value pairs of HTML attributes
|
|
* containing URLs that need to be resolved relative to the feed
|
|
*
|
|
* Defaults to |a|@href, |area|@href, |blockquote|@cite, |del|@cite,
|
|
* |form|@action, |img|@longdesc, |img|@src, |input|@src, |ins|@cite,
|
|
* |q|@cite
|
|
*
|
|
* @since 1.0
|
|
* @param array|null $element_attribute Element/attribute key/value pairs, null for default
|
|
*/
|
|
public function set_url_replacements($element_attribute = null)
|
|
{
|
|
$this->sanitize->set_url_replacements($element_attribute);
|
|
}
|
|
|
|
/**
|
|
* Set the handler to enable the display of cached images.
|
|
*
|
|
* @param string $page Web-accessible path to the handler_image.php file.
|
|
* @param string $qs The query string that the value should be passed to.
|
|
*/
|
|
public function set_image_handler($page = false, $qs = 'i')
|
|
{
|
|
if ($page !== false)
|
|
{
|
|
$this->sanitize->set_image_handler($page . '?' . $qs . '=');
|
|
}
|
|
else
|
|
{
|
|
$this->image_handler = '';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the limit for items returned per-feed with multifeeds
|
|
*
|
|
* @param integer $limit The maximum number of items to return.
|
|
*/
|
|
public function set_item_limit($limit = 0)
|
|
{
|
|
$this->item_limit = (int) $limit;
|
|
}
|
|
|
|
/**
|
|
* Enable throwing exceptions
|
|
*
|
|
* @param boolean $enable Should we throw exceptions, or use the old-style error property?
|
|
*/
|
|
public function enable_exceptions($enable = true)
|
|
{
|
|
$this->enable_exceptions = $enable;
|
|
}
|
|
|
|
/**
|
|
* Initialize the feed object
|
|
*
|
|
* This is what makes everything happen. Period. This is where all of the
|
|
* configuration options get processed, feeds are fetched, cached, and
|
|
* parsed, and all of that other good stuff.
|
|
*
|
|
* @return boolean True if successful, false otherwise
|
|
*/
|
|
public function init()
|
|
{
|
|
// Check absolute bare minimum requirements.
|
|
if (!extension_loaded('xml') || !extension_loaded('pcre'))
|
|
{
|
|
$this->error = 'XML or PCRE extensions not loaded!';
|
|
return false;
|
|
}
|
|
// Then check the xml extension is sane (i.e., libxml 2.7.x issue on PHP < 5.2.9 and libxml 2.7.0 to 2.7.2 on any version) if we don't have xmlreader.
|
|
elseif (!extension_loaded('xmlreader'))
|
|
{
|
|
static $xml_is_sane = null;
|
|
if ($xml_is_sane === null)
|
|
{
|
|
$parser_check = xml_parser_create();
|
|
xml_parse_into_struct($parser_check, '<foo>&</foo>', $values);
|
|
xml_parser_free($parser_check);
|
|
$xml_is_sane = isset($values[0]['value']);
|
|
}
|
|
if (!$xml_is_sane)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// The default sanitize class gets set in the constructor, check if it has
|
|
// changed.
|
|
if ($this->registry->get_class('Sanitize') !== 'SimplePie_Sanitize') {
|
|
$this->sanitize = $this->registry->create('Sanitize');
|
|
}
|
|
if (method_exists($this->sanitize, 'set_registry'))
|
|
{
|
|
$this->sanitize->set_registry($this->registry);
|
|
}
|
|
|
|
// Pass whatever was set with config options over to the sanitizer.
|
|
// Pass the classes in for legacy support; new classes should use the registry instead
|
|
$this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->registry->get_class('Cache'));
|
|
$this->sanitize->pass_file_data($this->registry->get_class('File'), $this->timeout, $this->useragent, $this->force_fsockopen, $this->curl_options);
|
|
|
|
if (!empty($this->multifeed_url))
|
|
{
|
|
$i = 0;
|
|
$success = 0;
|
|
$this->multifeed_objects = array();
|
|
$this->error = array();
|
|
foreach ($this->multifeed_url as $url)
|
|
{
|
|
$this->multifeed_objects[$i] = clone $this;
|
|
$this->multifeed_objects[$i]->set_feed_url($url);
|
|
$single_success = $this->multifeed_objects[$i]->init();
|
|
$success |= $single_success;
|
|
if (!$single_success)
|
|
{
|
|
$this->error[$i] = $this->multifeed_objects[$i]->error();
|
|
}
|
|
$i++;
|
|
}
|
|
return (bool) $success;
|
|
}
|
|
elseif ($this->feed_url === null && $this->raw_data === null)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
$this->error = null;
|
|
$this->data = array();
|
|
$this->check_modified = false;
|
|
$this->multifeed_objects = array();
|
|
$cache = false;
|
|
|
|
if ($this->feed_url !== null)
|
|
{
|
|
$parsed_feed_url = $this->registry->call('Misc', 'parse_url', array($this->feed_url));
|
|
|
|
// Decide whether to enable caching
|
|
if ($this->cache && $parsed_feed_url['scheme'] !== '')
|
|
{
|
|
$url = $this->feed_url . ($this->force_feed ? '#force_feed' : '');
|
|
$cache = $this->registry->call('Cache', 'get_handler', array($this->cache_location, call_user_func($this->cache_name_function, $url), 'spc'));
|
|
}
|
|
|
|
// Fetch the data via SimplePie_File into $this->raw_data
|
|
if (($fetched = $this->fetch_data($cache)) === true)
|
|
{
|
|
return true;
|
|
}
|
|
elseif ($fetched === false) {
|
|
return false;
|
|
}
|
|
|
|
list($headers, $sniffed) = $fetched;
|
|
}
|
|
|
|
// Empty response check
|
|
if(empty($this->raw_data)){
|
|
$this->error = "A feed could not be found at `$this->feed_url`. Empty body.";
|
|
$this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, __FILE__, __LINE__));
|
|
return false;
|
|
}
|
|
|
|
// Set up array of possible encodings
|
|
$encodings = array();
|
|
|
|
// First check to see if input has been overridden.
|
|
if ($this->input_encoding !== false)
|
|
{
|
|
$encodings[] = strtoupper($this->input_encoding);
|
|
}
|
|
|
|
$application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity');
|
|
$text_types = array('text/xml', 'text/xml-external-parsed-entity');
|
|
|
|
// RFC 3023 (only applies to sniffed content)
|
|
if (isset($sniffed))
|
|
{
|
|
if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === 'application/' && substr($sniffed, -4) === '+xml')
|
|
{
|
|
if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
|
|
{
|
|
$encodings[] = strtoupper($charset[1]);
|
|
}
|
|
$encodings = array_merge($encodings, $this->registry->call('Misc', 'xml_encoding', array($this->raw_data, &$this->registry)));
|
|
$encodings[] = 'UTF-8';
|
|
}
|
|
elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml')
|
|
{
|
|
if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
|
|
{
|
|
$encodings[] = strtoupper($charset[1]);
|
|
}
|
|
$encodings[] = 'US-ASCII';
|
|
}
|
|
// Text MIME-type default
|
|
elseif (substr($sniffed, 0, 5) === 'text/')
|
|
{
|
|
$encodings[] = 'UTF-8';
|
|
}
|
|
}
|
|
|
|
// Fallback to XML 1.0 Appendix F.1/UTF-8/ISO-8859-1
|
|
$encodings = array_merge($encodings, $this->registry->call('Misc', 'xml_encoding', array($this->raw_data, &$this->registry)));
|
|
$encodings[] = 'UTF-8';
|
|
$encodings[] = 'ISO-8859-1';
|
|
|
|
// There's no point in trying an encoding twice
|
|
$encodings = array_unique($encodings);
|
|
|
|
// Loop through each possible encoding, till we return something, or run out of possibilities
|
|
foreach ($encodings as $encoding)
|
|
{
|
|
// Change the encoding to UTF-8 (as we always use UTF-8 internally)
|
|
if ($utf8_data = $this->registry->call('Misc', 'change_encoding', array($this->raw_data, $encoding, 'UTF-8')))
|
|
{
|
|
// Create new parser
|
|
$parser = $this->registry->create('Parser');
|
|
|
|
// If it's parsed fine
|
|
if ($parser->parse($utf8_data, 'UTF-8', $this->permanent_url))
|
|
{
|
|
$this->data = $parser->get_data();
|
|
if (!($this->get_type() & ~SIMPLEPIE_TYPE_NONE))
|
|
{
|
|
$this->error = "A feed could not be found at `$this->feed_url`. This does not appear to be a valid RSS or Atom feed.";
|
|
$this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, __FILE__, __LINE__));
|
|
return false;
|
|
}
|
|
|
|
if (isset($headers))
|
|
{
|
|
$this->data['headers'] = $headers;
|
|
}
|
|
$this->data['build'] = SIMPLEPIE_BUILD;
|
|
|
|
// Cache the file if caching is enabled
|
|
if ($cache && !$cache->save($this))
|
|
{
|
|
trigger_error("$this->cache_location is not writable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($parser))
|
|
{
|
|
// We have an error, just set SimplePie_Misc::error to it and quit
|
|
$this->error = $this->feed_url;
|
|
$this->error .= sprintf(' is invalid XML, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column());
|
|
}
|
|
else
|
|
{
|
|
$this->error = 'The data could not be converted to UTF-8.';
|
|
if (!extension_loaded('mbstring') && !extension_loaded('iconv') && !class_exists('\UConverter')) {
|
|
$this->error .= ' You MUST have either the iconv, mbstring or intl (PHP 5.5+) extension installed and enabled.';
|
|
} else {
|
|
$missingExtensions = array();
|
|
if (!extension_loaded('iconv')) {
|
|
$missingExtensions[] = 'iconv';
|
|
}
|
|
if (!extension_loaded('mbstring')) {
|
|
$missingExtensions[] = 'mbstring';
|
|
}
|
|
if (!class_exists('\UConverter')) {
|
|
$missingExtensions[] = 'intl (PHP 5.5+)';
|
|
}
|
|
$this->error .= ' Try installing/enabling the ' . implode(' or ', $missingExtensions) . ' extension.';
|
|
}
|
|
}
|
|
|
|
$this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, __FILE__, __LINE__));
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Fetch the data via SimplePie_File
|
|
*
|
|
* If the data is already cached, attempt to fetch it from there instead
|
|
* @param SimplePie_Cache|false $cache Cache handler, or false to not load from the cache
|
|
* @return array|true Returns true if the data was loaded from the cache, or an array of HTTP headers and sniffed type
|
|
*/
|
|
protected function fetch_data(&$cache)
|
|
{
|
|
// If it's enabled, use the cache
|
|
if ($cache)
|
|
{
|
|
// Load the Cache
|
|
$this->data = $cache->load();
|
|
if (!empty($this->data))
|
|
{
|
|
// If the cache is for an outdated build of SimplePie
|
|
if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD)
|
|
{
|
|
$cache->unlink();
|
|
$this->data = array();
|
|
}
|
|
// If we've hit a collision just rerun it with caching disabled
|
|
elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url)
|
|
{
|
|
$cache = false;
|
|
$this->data = array();
|
|
}
|
|
// If we've got a non feed_url stored (if the page isn't actually a feed, or is a redirect) use that URL.
|
|
elseif (isset($this->data['feed_url']))
|
|
{
|
|
// If the autodiscovery cache is still valid use it.
|
|
if ($cache->mtime() + $this->autodiscovery_cache_duration > time())
|
|
{
|
|
// Do not need to do feed autodiscovery yet.
|
|
if ($this->data['feed_url'] !== $this->data['url'])
|
|
{
|
|
$this->set_feed_url($this->data['feed_url']);
|
|
return $this->init();
|
|
}
|
|
|
|
$cache->unlink();
|
|
$this->data = array();
|
|
}
|
|
}
|
|
// Check if the cache has been updated
|
|
elseif ($cache->mtime() + $this->cache_duration < time())
|
|
{
|
|
// Want to know if we tried to send last-modified and/or etag headers
|
|
// when requesting this file. (Note that it's up to the file to
|
|
// support this, but we don't always send the headers either.)
|
|
$this->check_modified = true;
|
|
if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag']))
|
|
{
|
|
$headers = array(
|
|
'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
|
|
);
|
|
if (isset($this->data['headers']['last-modified']))
|
|
{
|
|
$headers['if-modified-since'] = $this->data['headers']['last-modified'];
|
|
}
|
|
if (isset($this->data['headers']['etag']))
|
|
{
|
|
$headers['if-none-match'] = $this->data['headers']['etag'];
|
|
}
|
|
|
|
$file = $this->registry->create('File', array($this->feed_url, $this->timeout/10, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options));
|
|
|
|
if ($file->success)
|
|
{
|
|
if ($file->status_code === 304)
|
|
{
|
|
// Set raw_data to false here too, to signify that the cache
|
|
// is still valid.
|
|
$this->raw_data = false;
|
|
$cache->touch();
|
|
return true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->check_modified = false;
|
|
if($this->force_cache_fallback)
|
|
{
|
|
$cache->touch();
|
|
return true;
|
|
}
|
|
|
|
unset($file);
|
|
}
|
|
}
|
|
}
|
|
// If the cache is still valid, just return true
|
|
else
|
|
{
|
|
$this->raw_data = false;
|
|
return true;
|
|
}
|
|
}
|
|
// If the cache is empty, delete it
|
|
else
|
|
{
|
|
$cache->unlink();
|
|
$this->data = array();
|
|
}
|
|
}
|
|
// If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it.
|
|
if (!isset($file))
|
|
{
|
|
if ($this->file instanceof SimplePie_File && $this->file->url === $this->feed_url)
|
|
{
|
|
$file =& $this->file;
|
|
}
|
|
else
|
|
{
|
|
$headers = array(
|
|
'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
|
|
);
|
|
$file = $this->registry->create('File', array($this->feed_url, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options));
|
|
}
|
|
}
|
|
// If the file connection has an error, set SimplePie::error to that and quit
|
|
if (!$file->success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300)))
|
|
{
|
|
$this->error = $file->error;
|
|
return !empty($this->data);
|
|
}
|
|
|
|
if (!$this->force_feed)
|
|
{
|
|
// Check if the supplied URL is a feed, if it isn't, look for it.
|
|
$locate = $this->registry->create('Locator', array(&$file, $this->timeout, $this->useragent, $this->max_checked_feeds, $this->force_fsockopen, $this->curl_options));
|
|
|
|
if (!$locate->is_feed($file))
|
|
{
|
|
$copyStatusCode = $file->status_code;
|
|
$copyContentType = $file->headers['content-type'];
|
|
try
|
|
{
|
|
$microformats = false;
|
|
if (class_exists('DOMXpath') && function_exists('Mf2\parse')) {
|
|
$doc = new DOMDocument();
|
|
@$doc->loadHTML($file->body);
|
|
$xpath = new DOMXpath($doc);
|
|
// Check for both h-feed and h-entry, as both a feed with no entries
|
|
// and a list of entries without an h-feed wrapper are both valid.
|
|
$query = '//*[contains(concat(" ", @class, " "), " h-feed ") or '.
|
|
'contains(concat(" ", @class, " "), " h-entry ")]';
|
|
$result = $xpath->query($query);
|
|
$microformats = $result->length !== 0;
|
|
}
|
|
// Now also do feed discovery, but if microformats were found don't
|
|
// overwrite the current value of file.
|
|
$discovered = $locate->find($this->autodiscovery,
|
|
$this->all_discovered_feeds);
|
|
if ($microformats)
|
|
{
|
|
if ($hub = $locate->get_rel_link('hub'))
|
|
{
|
|
$self = $locate->get_rel_link('self');
|
|
$this->store_links($file, $hub, $self);
|
|
}
|
|
// Push the current file onto all_discovered feeds so the user can
|
|
// be shown this as one of the options.
|
|
if (isset($this->all_discovered_feeds)) {
|
|
$this->all_discovered_feeds[] = $file;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ($discovered)
|
|
{
|
|
$file = $discovered;
|
|
}
|
|
else
|
|
{
|
|
// We need to unset this so that if SimplePie::set_file() has
|
|
// been called that object is untouched
|
|
unset($file);
|
|
$this->error = "A feed could not be found at `$this->feed_url`; the status code is `$copyStatusCode` and content-type is `$copyContentType`";
|
|
$this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, __FILE__, __LINE__));
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
catch (SimplePie_Exception $e)
|
|
{
|
|
// We need to unset this so that if SimplePie::set_file() has been called that object is untouched
|
|
unset($file);
|
|
// This is usually because DOMDocument doesn't exist
|
|
$this->error = $e->getMessage();
|
|
$this->registry->call('Misc', 'error', array($this->error, E_USER_NOTICE, $e->getFile(), $e->getLine()));
|
|
return false;
|
|
}
|
|
if ($cache)
|
|
{
|
|
$this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD);
|
|
if (!$cache->save($this))
|
|
{
|
|
trigger_error("$this->cache_location is not writable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
|
|
}
|
|
$cache = $this->registry->call('Cache', 'get_handler', array($this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc'));
|
|
}
|
|
}
|
|
$this->feed_url = $file->url;
|
|
$locate = null;
|
|
}
|
|
|
|
$this->raw_data = $file->body;
|
|
$this->permanent_url = $file->permanent_url;
|
|
$headers = $file->headers;
|
|
$sniffer = $this->registry->create('Content_Type_Sniffer', array(&$file));
|
|
$sniffed = $sniffer->get_type();
|
|
|
|
return array($headers, $sniffed);
|
|
}
|
|
|
|
/**
|
|
* Get the error message for the occured error
|
|
*
|
|
* @return string|array Error message, or array of messages for multifeeds
|
|
*/
|
|
public function error()
|
|
{
|
|
return $this->error;
|
|
}
|
|
|
|
/**
|
|
* Get the raw XML
|
|
*
|
|
* This is the same as the old `$feed->enable_xml_dump(true)`, but returns
|
|
* the data instead of printing it.
|
|
*
|
|
* @return string|boolean Raw XML data, false if the cache is used
|
|
*/
|
|
public function get_raw_data()
|
|
{
|
|
return $this->raw_data;
|
|
}
|
|
|
|
/**
|
|
* Get the character encoding used for output
|
|
*
|
|
* @since Preview Release
|
|
* @return string
|
|
*/
|
|
public function get_encoding()
|
|
{
|
|
return $this->sanitize->output_encoding;
|
|
}
|
|
|
|
/**
|
|
* Send the content-type header with correct encoding
|
|
*
|
|
* This method ensures that the SimplePie-enabled page is being served with
|
|
* the correct {@link http://www.iana.org/assignments/media-types/ mime-type}
|
|
* and character encoding HTTP headers (character encoding determined by the
|
|
* {@see set_output_encoding} config option).
|
|
*
|
|
* This won't work properly if any content or whitespace has already been
|
|
* sent to the browser, because it relies on PHP's
|
|
* {@link http://php.net/header header()} function, and these are the
|
|
* circumstances under which the function works.
|
|
*
|
|
* Because it's setting these settings for the entire page (as is the nature
|
|
* of HTTP headers), this should only be used once per page (again, at the
|
|
* top).
|
|
*
|
|
* @param string $mime MIME type to serve the page as
|
|
*/
|
|
public function handle_content_type($mime = 'text/html')
|
|
{
|
|
if (!headers_sent())
|
|
{
|
|
$header = "Content-type: $mime;";
|
|
if ($this->get_encoding())
|
|
{
|
|
$header .= ' charset=' . $this->get_encoding();
|
|
}
|
|
else
|
|
{
|
|
$header .= ' charset=UTF-8';
|
|
}
|
|
header($header);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the type of the feed
|
|
*
|
|
* This returns a SIMPLEPIE_TYPE_* constant, which can be tested against
|
|
* using {@link http://php.net/language.operators.bitwise bitwise operators}
|
|
*
|
|
* @since 0.8 (usage changed to using constants in 1.0)
|
|
* @see SIMPLEPIE_TYPE_NONE Unknown.
|
|
* @see SIMPLEPIE_TYPE_RSS_090 RSS 0.90.
|
|
* @see SIMPLEPIE_TYPE_RSS_091_NETSCAPE RSS 0.91 (Netscape).
|
|
* @see SIMPLEPIE_TYPE_RSS_091_USERLAND RSS 0.91 (Userland).
|
|
* @see SIMPLEPIE_TYPE_RSS_091 RSS 0.91.
|
|
* @see SIMPLEPIE_TYPE_RSS_092 RSS 0.92.
|
|
* @see SIMPLEPIE_TYPE_RSS_093 RSS 0.93.
|
|
* @see SIMPLEPIE_TYPE_RSS_094 RSS 0.94.
|
|
* @see SIMPLEPIE_TYPE_RSS_10 RSS 1.0.
|
|
* @see SIMPLEPIE_TYPE_RSS_20 RSS 2.0.x.
|
|
* @see SIMPLEPIE_TYPE_RSS_RDF RDF-based RSS.
|
|
* @see SIMPLEPIE_TYPE_RSS_SYNDICATION Non-RDF-based RSS (truly intended as syndication format).
|
|
* @see SIMPLEPIE_TYPE_RSS_ALL Any version of RSS.
|
|
* @see SIMPLEPIE_TYPE_ATOM_03 Atom 0.3.
|
|
* @see SIMPLEPIE_TYPE_ATOM_10 Atom 1.0.
|
|
* @see SIMPLEPIE_TYPE_ATOM_ALL Any version of Atom.
|
|
* @see SIMPLEPIE_TYPE_ALL Any known/supported feed type.
|
|
* @return int SIMPLEPIE_TYPE_* constant
|
|
*/
|
|
public function get_type()
|
|
{
|
|
if (!isset($this->data['type']))
|
|
{
|
|
$this->data['type'] = SIMPLEPIE_TYPE_ALL;
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed']))
|
|
{
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_ATOM_10;
|
|
}
|
|
elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed']))
|
|
{
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_ATOM_03;
|
|
}
|
|
elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF']))
|
|
{
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['channel'])
|
|
|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['image'])
|
|
|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])
|
|
|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['textinput']))
|
|
{
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_10;
|
|
}
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['channel'])
|
|
|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['image'])
|
|
|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])
|
|
|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['textinput']))
|
|
{
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_090;
|
|
}
|
|
}
|
|
elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss']))
|
|
{
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_ALL;
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
|
|
{
|
|
switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
|
|
{
|
|
case '0.91':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_091;
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
|
|
{
|
|
switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
|
|
{
|
|
case '0':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_NETSCAPE;
|
|
break;
|
|
|
|
case '24':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_USERLAND;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case '0.92':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_092;
|
|
break;
|
|
|
|
case '0.93':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_093;
|
|
break;
|
|
|
|
case '0.94':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_094;
|
|
break;
|
|
|
|
case '2.0':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_20;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->data['type'] = SIMPLEPIE_TYPE_NONE;
|
|
}
|
|
}
|
|
return $this->data['type'];
|
|
}
|
|
|
|
/**
|
|
* Get the URL for the feed
|
|
*
|
|
* When the 'permanent' mode is enabled, returns the original feed URL,
|
|
* except in the case of an `HTTP 301 Moved Permanently` status response,
|
|
* in which case the location of the first redirection is returned.
|
|
*
|
|
* When the 'permanent' mode is disabled (default),
|
|
* may or may not be different from the URL passed to {@see set_feed_url()},
|
|
* depending on whether auto-discovery was used, and whether there were
|
|
* any redirects along the way.
|
|
*
|
|
* @since Preview Release (previously called `get_feed_url()` since SimplePie 0.8.)
|
|
* @todo Support <itunes:new-feed-url>
|
|
* @todo Also, |atom:link|@rel=self
|
|
* @param bool $permanent Permanent mode to return only the original URL or the first redirection
|
|
* iff it is a 301 redirection
|
|
* @return string|null
|
|
*/
|
|
public function subscribe_url($permanent = false)
|
|
{
|
|
if ($permanent)
|
|
{
|
|
if ($this->permanent_url !== null)
|
|
{
|
|
// sanitize encodes ampersands which are required when used in a url.
|
|
return str_replace('&', '&',
|
|
$this->sanitize($this->permanent_url,
|
|
SIMPLEPIE_CONSTRUCT_IRI));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ($this->feed_url !== null)
|
|
{
|
|
return str_replace('&', '&',
|
|
$this->sanitize($this->feed_url,
|
|
SIMPLEPIE_CONSTRUCT_IRI));
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get data for an feed-level element
|
|
*
|
|
* This method allows you to get access to ANY element/attribute that is a
|
|
* sub-element of the opening feed tag.
|
|
*
|
|
* The return value is an indexed array of elements matching the given
|
|
* namespace and tag name. Each element has `attribs`, `data` and `child`
|
|
* subkeys. For `attribs` and `child`, these contain namespace subkeys.
|
|
* `attribs` then has one level of associative name => value data (where
|
|
* `value` is a string) after the namespace. `child` has tag-indexed keys
|
|
* after the namespace, each member of which is an indexed array matching
|
|
* this same format.
|
|
*
|
|
* For example:
|
|
* <pre>
|
|
* // This is probably a bad example because we already support
|
|
* // <media:content> natively, but it shows you how to parse through
|
|
* // the nodes.
|
|
* $group = $item->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'group');
|
|
* $content = $group[0]['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'];
|
|
* $file = $content[0]['attribs']['']['url'];
|
|
* echo $file;
|
|
* </pre>
|
|
*
|
|
* @since 1.0
|
|
* @see http://simplepie.org/wiki/faq/supported_xml_namespaces
|
|
* @param string $namespace The URL of the XML namespace of the elements you're trying to access
|
|
* @param string $tag Tag name
|
|
* @return array
|
|
*/
|
|
public function get_feed_tags($namespace, $tag)
|
|
{
|
|
$type = $this->get_type();
|
|
if ($type & SIMPLEPIE_TYPE_ATOM_10)
|
|
{
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag]))
|
|
{
|
|
return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_ATOM_03)
|
|
{
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag]))
|
|
{
|
|
return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_RDF)
|
|
{
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag]))
|
|
{
|
|
return $this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
|
|
{
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag]))
|
|
{
|
|
return $this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get data for an channel-level element
|
|
*
|
|
* This method allows you to get access to ANY element/attribute in the
|
|
* channel/header section of the feed.
|
|
*
|
|
* See {@see SimplePie::get_feed_tags()} for a description of the return value
|
|
*
|
|
* @since 1.0
|
|
* @see http://simplepie.org/wiki/faq/supported_xml_namespaces
|
|
* @param string $namespace The URL of the XML namespace of the elements you're trying to access
|
|
* @param string $tag Tag name
|
|
* @return array
|
|
*/
|
|
public function get_channel_tags($namespace, $tag)
|
|
{
|
|
$type = $this->get_type();
|
|
if ($type & SIMPLEPIE_TYPE_ATOM_ALL)
|
|
{
|
|
if ($return = $this->get_feed_tags($namespace, $tag))
|
|
{
|
|
return $return;
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_10)
|
|
{
|
|
if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'channel'))
|
|
{
|
|
if (isset($channel[0]['child'][$namespace][$tag]))
|
|
{
|
|
return $channel[0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_090)
|
|
{
|
|
if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'channel'))
|
|
{
|
|
if (isset($channel[0]['child'][$namespace][$tag]))
|
|
{
|
|
return $channel[0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
|
|
{
|
|
if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'channel'))
|
|
{
|
|
if (isset($channel[0]['child'][$namespace][$tag]))
|
|
{
|
|
return $channel[0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get data for an channel-level element
|
|
*
|
|
* This method allows you to get access to ANY element/attribute in the
|
|
* image/logo section of the feed.
|
|
*
|
|
* See {@see SimplePie::get_feed_tags()} for a description of the return value
|
|
*
|
|
* @since 1.0
|
|
* @see http://simplepie.org/wiki/faq/supported_xml_namespaces
|
|
* @param string $namespace The URL of the XML namespace of the elements you're trying to access
|
|
* @param string $tag Tag name
|
|
* @return array
|
|
*/
|
|
public function get_image_tags($namespace, $tag)
|
|
{
|
|
$type = $this->get_type();
|
|
if ($type & SIMPLEPIE_TYPE_RSS_10)
|
|
{
|
|
if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'image'))
|
|
{
|
|
if (isset($image[0]['child'][$namespace][$tag]))
|
|
{
|
|
return $image[0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_090)
|
|
{
|
|
if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'image'))
|
|
{
|
|
if (isset($image[0]['child'][$namespace][$tag]))
|
|
{
|
|
return $image[0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
|
|
{
|
|
if ($image = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'image'))
|
|
{
|
|
if (isset($image[0]['child'][$namespace][$tag]))
|
|
{
|
|
return $image[0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the base URL value from the feed
|
|
*
|
|
* Uses `<xml:base>` if available, otherwise uses the first link in the
|
|
* feed, or failing that, the URL of the feed itself.
|
|
*
|
|
* @see get_link
|
|
* @see subscribe_url
|
|
*
|
|
* @param array $element
|
|
* @return string
|
|
*/
|
|
public function get_base($element = array())
|
|
{
|
|
if (!($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION) && !empty($element['xml_base_explicit']) && isset($element['xml_base']))
|
|
{
|
|
return $element['xml_base'];
|
|
}
|
|
elseif ($this->get_link() !== null)
|
|
{
|
|
return $this->get_link();
|
|
}
|
|
|
|
return $this->subscribe_url();
|
|
}
|
|
|
|
/**
|
|
* Sanitize feed data
|
|
*
|
|
* @access private
|
|
* @see SimplePie_Sanitize::sanitize()
|
|
* @param string $data Data to sanitize
|
|
* @param int $type One of the SIMPLEPIE_CONSTRUCT_* constants
|
|
* @param string $base Base URL to resolve URLs against
|
|
* @return string Sanitized data
|
|
*/
|
|
public function sanitize($data, $type, $base = '')
|
|
{
|
|
try
|
|
{
|
|
return $this->sanitize->sanitize($data, $type, $base);
|
|
}
|
|
catch (SimplePie_Exception $e)
|
|
{
|
|
if (!$this->enable_exceptions)
|
|
{
|
|
$this->error = $e->getMessage();
|
|
$this->registry->call('Misc', 'error', array($this->error, E_USER_WARNING, $e->getFile(), $e->getLine()));
|
|
return '';
|
|
}
|
|
|
|
throw $e;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the title of the feed
|
|
*
|
|
* Uses `<atom:title>`, `<title>` or `<dc:title>`
|
|
*
|
|
* @since 1.0 (previously called `get_feed_title` since 0.8)
|
|
* @return string|null
|
|
*/
|
|
public function get_title()
|
|
{
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get a category for the feed
|
|
*
|
|
* @since Unknown
|
|
* @param int $key The category that you want to return. Remember that arrays begin with 0, not 1
|
|
* @return SimplePie_Category|null
|
|
*/
|
|
public function get_category($key = 0)
|
|
{
|
|
$categories = $this->get_categories();
|
|
if (isset($categories[$key]))
|
|
{
|
|
return $categories[$key];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get all categories for the feed
|
|
*
|
|
* Uses `<atom:category>`, `<category>` or `<dc:subject>`
|
|
*
|
|
* @since Unknown
|
|
* @return array|null List of {@see SimplePie_Category} objects
|
|
*/
|
|
public function get_categories()
|
|
{
|
|
$categories = array();
|
|
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
|
|
{
|
|
$term = null;
|
|
$scheme = null;
|
|
$label = null;
|
|
if (isset($category['attribs']['']['term']))
|
|
{
|
|
$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if (isset($category['attribs']['']['scheme']))
|
|
{
|
|
$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if (isset($category['attribs']['']['label']))
|
|
{
|
|
$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
|
|
{
|
|
// This is really the label, but keep this as the term also for BC.
|
|
// Label will also work on retrieving because that falls back to term.
|
|
$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
if (isset($category['attribs']['']['domain']))
|
|
{
|
|
$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
else
|
|
{
|
|
$scheme = null;
|
|
}
|
|
$categories[] = $this->registry->create('Category', array($term, $scheme, null));
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
|
|
{
|
|
$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
|
|
{
|
|
$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
|
|
}
|
|
|
|
if (!empty($categories))
|
|
{
|
|
return array_unique($categories);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get an author for the feed
|
|
*
|
|
* @since 1.1
|
|
* @param int $key The author that you want to return. Remember that arrays begin with 0, not 1
|
|
* @return SimplePie_Author|null
|
|
*/
|
|
public function get_author($key = 0)
|
|
{
|
|
$authors = $this->get_authors();
|
|
if (isset($authors[$key]))
|
|
{
|
|
return $authors[$key];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get all authors for the feed
|
|
*
|
|
* Uses `<atom:author>`, `<author>`, `<dc:creator>` or `<itunes:author>`
|
|
*
|
|
* @since 1.1
|
|
* @return array|null List of {@see SimplePie_Author} objects
|
|
*/
|
|
public function get_authors()
|
|
{
|
|
$authors = array();
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
|
|
{
|
|
$name = null;
|
|
$uri = null;
|
|
$email = null;
|
|
if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
|
|
{
|
|
$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
|
|
{
|
|
$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
|
|
}
|
|
if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
|
|
{
|
|
$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if ($name !== null || $email !== null || $uri !== null)
|
|
{
|
|
$authors[] = $this->registry->create('Author', array($name, $uri, $email));
|
|
}
|
|
}
|
|
if ($author = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
|
|
{
|
|
$name = null;
|
|
$url = null;
|
|
$email = null;
|
|
if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
|
|
{
|
|
$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
|
|
{
|
|
$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
|
|
}
|
|
if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
|
|
{
|
|
$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if ($name !== null || $email !== null || $url !== null)
|
|
{
|
|
$authors[] = $this->registry->create('Author', array($name, $url, $email));
|
|
}
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
|
|
{
|
|
$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
|
|
{
|
|
$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
|
|
{
|
|
$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
|
|
}
|
|
|
|
if (!empty($authors))
|
|
{
|
|
return array_unique($authors);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get a contributor for the feed
|
|
*
|
|
* @since 1.1
|
|
* @param int $key The contrbutor that you want to return. Remember that arrays begin with 0, not 1
|
|
* @return SimplePie_Author|null
|
|
*/
|
|
public function get_contributor($key = 0)
|
|
{
|
|
$contributors = $this->get_contributors();
|
|
if (isset($contributors[$key]))
|
|
{
|
|
return $contributors[$key];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get all contributors for the feed
|
|
*
|
|
* Uses `<atom:contributor>`
|
|
*
|
|
* @since 1.1
|
|
* @return array|null List of {@see SimplePie_Author} objects
|
|
*/
|
|
public function get_contributors()
|
|
{
|
|
$contributors = array();
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
|
|
{
|
|
$name = null;
|
|
$uri = null;
|
|
$email = null;
|
|
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
|
|
{
|
|
$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
|
|
{
|
|
$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
|
|
}
|
|
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
|
|
{
|
|
$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if ($name !== null || $email !== null || $uri !== null)
|
|
{
|
|
$contributors[] = $this->registry->create('Author', array($name, $uri, $email));
|
|
}
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
|
|
{
|
|
$name = null;
|
|
$url = null;
|
|
$email = null;
|
|
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
|
|
{
|
|
$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
|
|
{
|
|
$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
|
|
}
|
|
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
|
|
{
|
|
$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if ($name !== null || $email !== null || $url !== null)
|
|
{
|
|
$contributors[] = $this->registry->create('Author', array($name, $url, $email));
|
|
}
|
|
}
|
|
|
|
if (!empty($contributors))
|
|
{
|
|
return array_unique($contributors);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get a single link for the feed
|
|
*
|
|
* @since 1.0 (previously called `get_feed_link` since Preview Release, `get_feed_permalink()` since 0.8)
|
|
* @param int $key The link that you want to return. Remember that arrays begin with 0, not 1
|
|
* @param string $rel The relationship of the link to return
|
|
* @return string|null Link URL
|
|
*/
|
|
public function get_link($key = 0, $rel = 'alternate')
|
|
{
|
|
$links = $this->get_links($rel);
|
|
if (isset($links[$key]))
|
|
{
|
|
return $links[$key];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the permalink for the item
|
|
*
|
|
* Returns the first link available with a relationship of "alternate".
|
|
* Identical to {@see get_link()} with key 0
|
|
*
|
|
* @see get_link
|
|
* @since 1.0 (previously called `get_feed_link` since Preview Release, `get_feed_permalink()` since 0.8)
|
|
* @internal Added for parity between the parent-level and the item/entry-level.
|
|
* @return string|null Link URL
|
|
*/
|
|
public function get_permalink()
|
|
{
|
|
return $this->get_link(0);
|
|
}
|
|
|
|
/**
|
|
* Get all links for the feed
|
|
*
|
|
* Uses `<atom:link>` or `<link>`
|
|
*
|
|
* @since Beta 2
|
|
* @param string $rel The relationship of links to return
|
|
* @return array|null Links found for the feed (strings)
|
|
*/
|
|
public function get_links($rel = 'alternate')
|
|
{
|
|
if (!isset($this->data['links']))
|
|
{
|
|
$this->data['links'] = array();
|
|
if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
|
|
{
|
|
foreach ($links as $link)
|
|
{
|
|
if (isset($link['attribs']['']['href']))
|
|
{
|
|
$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
|
|
$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
|
|
}
|
|
}
|
|
}
|
|
if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
|
|
{
|
|
foreach ($links as $link)
|
|
{
|
|
if (isset($link['attribs']['']['href']))
|
|
{
|
|
$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
|
|
$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
|
|
|
|
}
|
|
}
|
|
}
|
|
if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
|
|
{
|
|
$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
|
|
}
|
|
if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
|
|
{
|
|
$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
|
|
}
|
|
if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
|
|
{
|
|
$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
|
|
}
|
|
|
|
$keys = array_keys($this->data['links']);
|
|
foreach ($keys as $key)
|
|
{
|
|
if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key)))
|
|
{
|
|
if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
|
|
{
|
|
$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
|
|
$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
|
|
}
|
|
else
|
|
{
|
|
$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
|
|
}
|
|
}
|
|
elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
|
|
{
|
|
$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
|
|
}
|
|
$this->data['links'][$key] = array_unique($this->data['links'][$key]);
|
|
}
|
|
}
|
|
|
|
if (isset($this->data['headers']['link']) &&
|
|
preg_match('/<([^>]+)>; rel='.preg_quote($rel).'/',
|
|
$this->data['headers']['link'], $match))
|
|
{
|
|
return array($match[1]);
|
|
}
|
|
else if (isset($this->data['links'][$rel]))
|
|
{
|
|
return $this->data['links'][$rel];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
public function get_all_discovered_feeds()
|
|
{
|
|
return $this->all_discovered_feeds;
|
|
}
|
|
|
|
/**
|
|
* Get the content for the item
|
|
*
|
|
* Uses `<atom:subtitle>`, `<atom:tagline>`, `<description>`,
|
|
* `<dc:description>`, `<itunes:summary>` or `<itunes:subtitle>`
|
|
*
|
|
* @since 1.0 (previously called `get_feed_description()` since 0.8)
|
|
* @return string|null
|
|
*/
|
|
public function get_description()
|
|
{
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the copyright info for the feed
|
|
*
|
|
* Uses `<atom:rights>`, `<atom:copyright>` or `<dc:rights>`
|
|
*
|
|
* @since 1.0 (previously called `get_feed_copyright()` since 0.8)
|
|
* @return string|null
|
|
*/
|
|
public function get_copyright()
|
|
{
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the language for the feed
|
|
*
|
|
* Uses `<language>`, `<dc:language>`, or @xml_lang
|
|
*
|
|
* @since 1.0 (previously called `get_feed_language()` since 0.8)
|
|
* @return string|null
|
|
*/
|
|
public function get_language()
|
|
{
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang']))
|
|
{
|
|
return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang']))
|
|
{
|
|
return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang']))
|
|
{
|
|
return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif (isset($this->data['headers']['content-language']))
|
|
{
|
|
return $this->sanitize($this->data['headers']['content-language'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the latitude coordinates for the item
|
|
*
|
|
* Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications
|
|
*
|
|
* Uses `<geo:lat>` or `<georss:point>`
|
|
*
|
|
* @since 1.0
|
|
* @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo
|
|
* @link http://www.georss.org/ GeoRSS
|
|
* @return string|null
|
|
*/
|
|
public function get_latitude()
|
|
{
|
|
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
|
|
{
|
|
return (float) $return[0]['data'];
|
|
}
|
|
elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
|
|
{
|
|
return (float) $match[1];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the longitude coordinates for the feed
|
|
*
|
|
* Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications
|
|
*
|
|
* Uses `<geo:long>`, `<geo:lon>` or `<georss:point>`
|
|
*
|
|
* @since 1.0
|
|
* @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo
|
|
* @link http://www.georss.org/ GeoRSS
|
|
* @return string|null
|
|
*/
|
|
public function get_longitude()
|
|
{
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
|
|
{
|
|
return (float) $return[0]['data'];
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
|
|
{
|
|
return (float) $return[0]['data'];
|
|
}
|
|
elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
|
|
{
|
|
return (float) $match[2];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the feed logo's title
|
|
*
|
|
* RSS 0.9.0, 1.0 and 2.0 feeds are allowed to have a "feed logo" title.
|
|
*
|
|
* Uses `<image><title>` or `<image><dc:title>`
|
|
*
|
|
* @return string|null
|
|
*/
|
|
public function get_image_title()
|
|
{
|
|
if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the feed logo's URL
|
|
*
|
|
* RSS 0.9.0, 2.0, Atom 1.0, and feeds with iTunes RSS tags are allowed to
|
|
* have a "feed logo" URL. This points directly to the image itself.
|
|
*
|
|
* Uses `<itunes:image>`, `<atom:logo>`, `<atom:icon>`,
|
|
* `<image><title>` or `<image><dc:title>`
|
|
*
|
|
* @return string|null
|
|
*/
|
|
public function get_image_url()
|
|
{
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
|
|
{
|
|
return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'url'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'url'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the feed logo's link
|
|
*
|
|
* RSS 0.9.0, 1.0 and 2.0 feeds are allowed to have a "feed logo" link. This
|
|
* points to a human-readable page that the image should link to.
|
|
*
|
|
* Uses `<itunes:image>`, `<atom:logo>`, `<atom:icon>`,
|
|
* `<image><title>` or `<image><dc:title>`
|
|
*
|
|
* @return string|null
|
|
*/
|
|
public function get_image_link()
|
|
{
|
|
if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the feed logo's link
|
|
*
|
|
* RSS 2.0 feeds are allowed to have a "feed logo" width.
|
|
*
|
|
* Uses `<image><width>` or defaults to 88.0 if no width is specified and
|
|
* the feed is an RSS 2.0 feed.
|
|
*
|
|
* @return int|float|null
|
|
*/
|
|
public function get_image_width()
|
|
{
|
|
if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'width'))
|
|
{
|
|
return round($return[0]['data']);
|
|
}
|
|
elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
|
|
{
|
|
return 88.0;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the feed logo's height
|
|
*
|
|
* RSS 2.0 feeds are allowed to have a "feed logo" height.
|
|
*
|
|
* Uses `<image><height>` or defaults to 31.0 if no height is specified and
|
|
* the feed is an RSS 2.0 feed.
|
|
*
|
|
* @return int|float|null
|
|
*/
|
|
public function get_image_height()
|
|
{
|
|
if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'height'))
|
|
{
|
|
return round($return[0]['data']);
|
|
}
|
|
elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
|
|
{
|
|
return 31.0;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get the number of items in the feed
|
|
*
|
|
* This is well-suited for {@link http://php.net/for for()} loops with
|
|
* {@see get_item()}
|
|
*
|
|
* @param int $max Maximum value to return. 0 for no limit
|
|
* @return int Number of items in the feed
|
|
*/
|
|
public function get_item_quantity($max = 0)
|
|
{
|
|
$max = (int) $max;
|
|
$qty = count($this->get_items());
|
|
if ($max === 0)
|
|
{
|
|
return $qty;
|
|
}
|
|
|
|
return ($qty > $max) ? $max : $qty;
|
|
}
|
|
|
|
/**
|
|
* Get a single item from the feed
|
|
*
|
|
* This is better suited for {@link http://php.net/for for()} loops, whereas
|
|
* {@see get_items()} is better suited for
|
|
* {@link http://php.net/foreach foreach()} loops.
|
|
*
|
|
* @see get_item_quantity()
|
|
* @since Beta 2
|
|
* @param int $key The item that you want to return. Remember that arrays begin with 0, not 1
|
|
* @return SimplePie_Item|null
|
|
*/
|
|
public function get_item($key = 0)
|
|
{
|
|
$items = $this->get_items();
|
|
if (isset($items[$key]))
|
|
{
|
|
return $items[$key];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get all items from the feed
|
|
*
|
|
* This is better suited for {@link http://php.net/for for()} loops, whereas
|
|
* {@see get_items()} is better suited for
|
|
* {@link http://php.net/foreach foreach()} loops.
|
|
*
|
|
* @see get_item_quantity
|
|
* @since Beta 2
|
|
* @param int $start Index to start at
|
|
* @param int $end Number of items to return. 0 for all items after `$start`
|
|
* @return SimplePie_Item[]|null List of {@see SimplePie_Item} objects
|
|
*/
|
|
public function get_items($start = 0, $end = 0)
|
|
{
|
|
if (!isset($this->data['items']))
|
|
{
|
|
if (!empty($this->multifeed_objects))
|
|
{
|
|
$this->data['items'] = SimplePie::merge_items($this->multifeed_objects, $start, $end, $this->item_limit);
|
|
if (empty($this->data['items']))
|
|
{
|
|
return array();
|
|
}
|
|
return $this->data['items'];
|
|
}
|
|
$this->data['items'] = array();
|
|
if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'entry'))
|
|
{
|
|
$keys = array_keys($items);
|
|
foreach ($keys as $key)
|
|
{
|
|
$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
|
|
}
|
|
}
|
|
if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'entry'))
|
|
{
|
|
$keys = array_keys($items);
|
|
foreach ($keys as $key)
|
|
{
|
|
$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
|
|
}
|
|
}
|
|
if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'item'))
|
|
{
|
|
$keys = array_keys($items);
|
|
foreach ($keys as $key)
|
|
{
|
|
$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
|
|
}
|
|
}
|
|
if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'item'))
|
|
{
|
|
$keys = array_keys($items);
|
|
foreach ($keys as $key)
|
|
{
|
|
$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
|
|
}
|
|
}
|
|
if ($items = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'item'))
|
|
{
|
|
$keys = array_keys($items);
|
|
foreach ($keys as $key)
|
|
{
|
|
$this->data['items'][] = $this->registry->create('Item', array($this, $items[$key]));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (empty($this->data['items']))
|
|
{
|
|
return array();
|
|
}
|
|
|
|
if ($this->order_by_date)
|
|
{
|
|
if (!isset($this->data['ordered_items']))
|
|
{
|
|
$this->data['ordered_items'] = $this->data['items'];
|
|
usort($this->data['ordered_items'], array(get_class($this), 'sort_items'));
|
|
}
|
|
$items = $this->data['ordered_items'];
|
|
}
|
|
else
|
|
{
|
|
$items = $this->data['items'];
|
|
}
|
|
// Slice the data as desired
|
|
if ($end === 0)
|
|
{
|
|
return array_slice($items, $start);
|
|
}
|
|
|
|
return array_slice($items, $start, $end);
|
|
}
|
|
|
|
/**
|
|
* Set the favicon handler
|
|
*
|
|
* @deprecated Use your own favicon handling instead
|
|
*/
|
|
public function set_favicon_handler($page = false, $qs = 'i')
|
|
{
|
|
$level = defined('E_USER_DEPRECATED') ? E_USER_DEPRECATED : E_USER_WARNING;
|
|
trigger_error('Favicon handling has been removed, please use your own handling', $level);
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get the favicon for the current feed
|
|
*
|
|
* @deprecated Use your own favicon handling instead
|
|
*/
|
|
public function get_favicon()
|
|
{
|
|
$level = defined('E_USER_DEPRECATED') ? E_USER_DEPRECATED : E_USER_WARNING;
|
|
trigger_error('Favicon handling has been removed, please use your own handling', $level);
|
|
|
|
if (($url = $this->get_link()) !== null)
|
|
{
|
|
return 'https://www.google.com/s2/favicons?domain=' . urlencode($url);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Magic method handler
|
|
*
|
|
* @param string $method Method name
|
|
* @param array $args Arguments to the method
|
|
* @return mixed
|
|
*/
|
|
public function __call($method, $args)
|
|
{
|
|
if (strpos($method, 'subscribe_') === 0)
|
|
{
|
|
$level = defined('E_USER_DEPRECATED') ? E_USER_DEPRECATED : E_USER_WARNING;
|
|
trigger_error('subscribe_*() has been deprecated, implement the callback yourself', $level);
|
|
return '';
|
|
}
|
|
if ($method === 'enable_xml_dump')
|
|
{
|
|
$level = defined('E_USER_DEPRECATED') ? E_USER_DEPRECATED : E_USER_WARNING;
|
|
trigger_error('enable_xml_dump() has been deprecated, use get_raw_data() instead', $level);
|
|
return false;
|
|
}
|
|
|
|
$class = get_class($this);
|
|
$trace = debug_backtrace();
|
|
$file = $trace[0]['file'];
|
|
$line = $trace[0]['line'];
|
|
trigger_error("Call to undefined method $class::$method() in $file on line $line", E_USER_ERROR);
|
|
}
|
|
|
|
/**
|
|
* Sorting callback for items
|
|
*
|
|
* @access private
|
|
* @param SimplePie $a
|
|
* @param SimplePie $b
|
|
* @return boolean
|
|
*/
|
|
public static function sort_items($a, $b)
|
|
{
|
|
$a_date = $a->get_date('U');
|
|
$b_date = $b->get_date('U');
|
|
if ($a_date && $b_date) {
|
|
return $a_date > $b_date ? -1 : 1;
|
|
}
|
|
// Sort items without dates to the top.
|
|
if ($a_date) {
|
|
return 1;
|
|
}
|
|
if ($b_date) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Merge items from several feeds into one
|
|
*
|
|
* If you're merging multiple feeds together, they need to all have dates
|
|
* for the items or else SimplePie will refuse to sort them.
|
|
*
|
|
* @link http://simplepie.org/wiki/tutorial/sort_multiple_feeds_by_time_and_date#if_feeds_require_separate_per-feed_settings
|
|
* @param array $urls List of SimplePie feed objects to merge
|
|
* @param int $start Starting item
|
|
* @param int $end Number of items to return
|
|
* @param int $limit Maximum number of items per feed
|
|
* @return array
|
|
*/
|
|
public static function merge_items($urls, $start = 0, $end = 0, $limit = 0)
|
|
{
|
|
if (is_array($urls) && sizeof($urls) > 0)
|
|
{
|
|
$items = array();
|
|
foreach ($urls as $arg)
|
|
{
|
|
if ($arg instanceof SimplePie)
|
|
{
|
|
$items = array_merge($items, $arg->get_items(0, $limit));
|
|
}
|
|
else
|
|
{
|
|
trigger_error('Arguments must be SimplePie objects', E_USER_WARNING);
|
|
}
|
|
}
|
|
|
|
usort($items, array(get_class($urls[0]), 'sort_items'));
|
|
|
|
if ($end === 0)
|
|
{
|
|
return array_slice($items, $start);
|
|
}
|
|
|
|
return array_slice($items, $start, $end);
|
|
}
|
|
|
|
trigger_error('Cannot merge zero SimplePie objects', E_USER_WARNING);
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* Store PubSubHubbub links as headers
|
|
*
|
|
* There is no way to find PuSH links in the body of a microformats feed,
|
|
* so they are added to the headers when found, to be used later by get_links.
|
|
* @param SimplePie_File $file
|
|
* @param string $hub
|
|
* @param string $self
|
|
*/
|
|
private function store_links(&$file, $hub, $self) {
|
|
if (isset($file->headers['link']['hub']) ||
|
|
(isset($file->headers['link']) &&
|
|
preg_match('/rel=hub/', $file->headers['link'])))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if ($hub)
|
|
{
|
|
if (isset($file->headers['link']))
|
|
{
|
|
if ($file->headers['link'] !== '')
|
|
{
|
|
$file->headers['link'] = ', ';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$file->headers['link'] = '';
|
|
}
|
|
$file->headers['link'] .= '<'.$hub.'>; rel=hub';
|
|
if ($self)
|
|
{
|
|
$file->headers['link'] .= ', <'.$self.'>; rel=self';
|
|
}
|
|
}
|
|
}
|
|
}
|