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weblib MDL-21296 added a comment about convert_urls_into_links() causing timeouts

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Andrew Davis 2010-01-13 02:19:21 +00:00
parent d145a62e5b
commit ef29cb5a15
1 changed files with 1 additions and 0 deletions
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lib/weblib.php
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@ -1742,6 +1742,7 @@ function convert_urls_into_links(&$text) {
$unicoderegexp = @preg_match('/\pL/u', 'a'); // This will fail silenty, returning false,
}
//MDL-21296 - use of unicode modifiers may cause a timeout
if ($unicoderegexp) { //We can use unicode modifiers
$text = preg_replace('#(?<!=["\'])(((http(s?))://)(((([\pLl0-9]([\pLl0-9]|-)*[\pLl0-9]|[\pLl0-9])\.)+([\pLl]([\pLl0-9]|-)*[\pLl0-9]|[\pLl]))|(([0-9]{1,3}\.){3}[0-9]{1,3}))(:[\pL0-9]*)?(/([\pLl0-9\.!$&\'\(\)*+,;=_~:@-]|%[a-fA-F0-9]{2})*)*(\?([\pLl0-9\.!$&\'\(\)*+,;=_~:@/?-]|%[a-fA-F0-9]{2})*)?(\#[\pLl0-9\.!$&\'\(\)*+,;=_~:@/?-]*)?)(?<![,.;])#iu',
'<a href="\\1" class="_blanktarget">\\1</a>', $text);