diff --git a/curl/curl.php b/curl/curl.php
index 0203f198..55f05c5b 100644
--- a/curl/curl.php
+++ b/curl/curl.php
@@ -2384,7 +2384,7 @@ function curl_multi_add_handle ($mh, $ch) {}
  * @link https://php.net/manual/en/function.curl-multi-remove-handle.php
  * @param resource $mh 
  * @param resource $ch 
- * @return int Returns 0 on success, or one of the CURLM_XXX error codes.
+ * @return int|false On success, returns one of the CURLM_XXX error codes, false on failure.
  * @since 5.0
  */
 function curl_multi_remove_handle ($mh, $ch) {}
diff --git a/enchant/enchant.php b/enchant/enchant.php
index c173fcf3..78973c30 100644
--- a/enchant/enchant.php
+++ b/enchant/enchant.php
@@ -135,7 +135,7 @@ function enchant_broker_set_ordering ($broker, $tag, $ordering) {}
  * @param resource $broker <p>
  * Broker resource
  * </p>
- * @return array
+ * @return array|false
  */
 function enchant_broker_describe ($broker) {}
 
@@ -163,7 +163,7 @@ function enchant_dict_check ($dict, $word) {}
  * @param string $word <p>
  * Word to use for the suggestions.
  * </p>
- * @return array Will returns an array of suggestions if the word is bad spelled.
+ * @return array|false Will returns an array of suggestions if the word is bad spelled.
  */
 function enchant_dict_suggest ($dict, $word) {}
 
diff --git a/geoip/geoip.php b/geoip/geoip.php
index add89b32..fa64c3d0 100644
--- a/geoip/geoip.php
+++ b/geoip/geoip.php
@@ -131,7 +131,7 @@ function geoip_isp_by_name ($hostname) {}
  * various constants defined with
  * this extension (ie: GEOIP_*_EDITION).
  * </p>
- * @return bool|false <b>TRUE</b> is database exists, <b>FALSE</b> if not found, or <b>NULL</b> on error.
+ * @return bool|null <b>TRUE</b> is database exists, <b>FALSE</b> if not found, or <b>NULL</b> on error.
  */
 function geoip_db_avail ($database) {}
 
diff --git a/http/http.php b/http/http.php
index c298ac90..ca241f2a 100644
--- a/http/http.php
+++ b/http/http.php
@@ -2230,7 +2230,7 @@ function http_negotiate_content_type (array $supported,  array &$result = null )
  * @param int $status [optional] <p>
  * custom response status code
  * </p>
- * @return void
+ * @return void returns false or exits with the specified redirection status code
  */
 function http_redirect ($url = null,  array $params = null , $session = null, $status = null) {}
 
diff --git a/interbase/interbase.php b/interbase/interbase.php
index 1df9c79d..1d583138 100644
--- a/interbase/interbase.php
+++ b/interbase/interbase.php
@@ -128,7 +128,7 @@ function ibase_drop_db ($connection = null) {}
  * </p>
  * @param int $bind_args [optional] <p>
  * </p>
- * @return resource|false If the query raises an error, returns false. If it is successful and
+ * @return resource|bool If the query raises an error, returns false. If it is successful and
  * there is a (possibly empty) result set (such as with a SELECT query),
  * returns a result identifier. If the query was successful and there were
  * no results, returns true.
@@ -257,7 +257,7 @@ function ibase_prepare ($query) {}
  * @param mixed $bind_arg [optional] <p>
  * </p>
  * @param mixed $_ [optional] 
- * @return resource|false If the query raises an error, returns false. If it is successful and
+ * @return resource|bool If the query raises an error, returns false. If it is successful and
  * there is a (possibly empty) result set (such as with a SELECT query),
  * returns a result identifier. If the query was successful and there were
  * no results, returns true.
diff --git a/mcrypt/mcrypt.php b/mcrypt/mcrypt.php
index 1e19f00b..5c9d1e6b 100644
--- a/mcrypt/mcrypt.php
+++ b/mcrypt/mcrypt.php
@@ -396,7 +396,7 @@ function mcrypt_generic_deinit ($td) {}
  * @param resource $td <p>
  * The encryption descriptor.
  * </p>
- * @return int|false If the self test succeeds it returns false. In case of an error, it
+ * @return int|bool If the self test succeeds it returns false. In case of an error, it
  * returns true.
  * @since 4.0.2
  * @since 5.0
diff --git a/mongo/mongo.php b/mongo/mongo.php
index 802bfdd4..740eaa14 100644
--- a/mongo/mongo.php
+++ b/mongo/mongo.php
@@ -1162,7 +1162,7 @@ class MongoCollection {
 	 * @link https://secure.php.net/manual/en/mongocollection.ensureindex.php
 	 * @param array $keys Field or fields to use as index.
 	 * @param array $options [optional] This parameter is an associative array of the form array("optionname" => <boolean>, ...).
-	 * @return bool always true
+	 * @return true always true
 	 */
     public function ensureIndex(array $keys, array $options = array()) {}
 
diff --git a/mysql/mysql.php b/mysql/mysql.php
index 7323d122..e6e2c0ac 100644
--- a/mysql/mysql.php
+++ b/mysql/mysql.php
@@ -128,7 +128,7 @@ function mysql_select_db ($database_name, $link_identifier = null) {}
  * Data inside the query should be properly escaped.
  * </p>
  * @param resource $link_identifier [optional] 
- * @return resource|false For SELECT, SHOW, DESCRIBE, EXPLAIN and other statements returning resultset,
+ * @return resource|bool For SELECT, SHOW, DESCRIBE, EXPLAIN and other statements returning resultset,
  * <b>mysql_query</b>
  * returns a resource on success, or false on
  * error.
diff --git a/sodium/sodium.php b/sodium/sodium.php
index 7e659326..25930bd6 100644
--- a/sodium/sodium.php
+++ b/sodium/sodium.php
@@ -1009,9 +1009,9 @@ function sodium_randombytes_buf(
  * Generate a 16-bit integer
  * /dev/urandom
  *
- * @return int|string
+ * @return int
  */
-function sodium_randombytes_random16(): string {
+function sodium_randombytes_random16(): int {
     return '';
 }
 
diff --git a/zend/zend.php b/zend/zend.php
index 264d8584..3e3e1656 100644
--- a/zend/zend.php
+++ b/zend/zend.php
@@ -620,9 +620,9 @@ function zend_send_file($filename, $mime_type, $custom_headers) {}
 
 /**
  * Send a buffer using ZDS
- * @param $buffer string the content that will be send
- * @param $mime_type string[optional] MIME type of the buffer, if omitted, taken from configured MIME types file
- * @param $custom_headers string[optional] user defined headers that will be send instead of regular ZDS headers. few basic essential headers will be send anyway
+ * @param string $buffer the content that will be send
+ * @param string $mime_type [optional] MIME type of the buffer, if omitted, taken from configured MIME types file
+ * @param string $custom_headers [optional] user defined headers that will be send instead of regular ZDS headers. few basic essential headers will be send anyway
  * @return void|false FALSE if sending file failed, does not return otherwise
  */
 function zend_send_buffer($buffer, $mime_type, $custom_headers) {}