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clean_url improvements, Hat tip: markjaquith. Reviewed by nbachiyskip. Fixes #7386. 

git-svn-id: https://develop.svn.wordpress.org/trunk@9179 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Matt Mullenweg 2008-10-14 22:58:30 +00:00
parent 9862c7f729
commit b2c2d93ed4
1 changed files with 5 additions and 3 deletions
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8
wp-includes/formatting.php
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@ -1670,7 +1670,7 @@ function clean_url( $url, $protocols = null, $context = 'display' ) {
$original_url = $url;
if ('' == $url) return $url;
$url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@()\\x80-\\xff]|i', '', $url);
$url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@$*\'()\\x80-\\xff]|i', '', $url);
$strip = array('%0d', '%0a');
$url = str_replace($strip, '', $url);
$url = str_replace(';//', '://', $url);
@ -1682,9 +1682,11 @@ function clean_url( $url, $protocols = null, $context = 'display' ) {
substr( $url, 0, 1 ) != '/' && !preg_match('/^[a-z0-9-]+?\.php/i', $url) )
$url = 'http://' . $url;
// Replace ampersands only when displaying.
if ( 'display' == $context )
// Replace ampersands and single quotes only when displaying.
if ( 'display' == $context ) {
$url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url);
$url = str_replace( "'", ''', $url );
}
if ( !is_array($protocols) )
$protocols = array('http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet');