default arg for preg_replace_callback_array $count (#624)
* default arg for preg_replace_callback_array $count * preg_replace_callback_array parameter cosmetics
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@ -316,7 +316,7 @@ function preg_replace_callback ($pattern, callable $callback, $subject, $limit =
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* @return string|string[]|null <p>preg_replace_callback_array() returns an array if the subject parameter is an array, or a string otherwise. On errors the return value is NULL</p>
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* <p>If matches are found, the new subject will be returned, otherwise subject will be returned unchanged.</p>
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*/
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function preg_replace_callback_array ($patterns_and_callbacks, $subject , $limit = -1, &$count ) {}
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function preg_replace_callback_array ($patterns_and_callbacks, $subject , $limit = -1, &$count = null) {}
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/**
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* Perform a regular expression search and replace
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