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Add sanitize_url. Don't convert ampersands in URLs when saving to DB. fixes #4411 for trunk

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git-svn-id: https://develop.svn.wordpress.org/trunk@6182 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
2007-10-03 16:16:55 +00:00
parent 5c6d2b30c5
commit c23298decb
3 changed files with 22 additions and 6 deletions
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13
wp-includes/formatting.php
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@@ -1087,7 +1087,7 @@ function wp_richedit_pre($text) {
return apply_filters('richedit_pre', $output);
}
function clean_url( $url, $protocols = null ) {
function clean_url( $url, $protocols = null, $context = 'display' ) {
$original_url = $url;
if ('' == $url) return $url;
@@ -1103,13 +1103,20 @@ function clean_url( $url, $protocols = null ) {
substr( $url, 0, 1 ) != '/' && !preg_match('/^[a-z0-9-]+?\.php/i', $url) )
$url = 'http://' . $url;
$url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url);
// Replace ampersands ony when displaying.
if ( 'display' == $context )
$url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url);
if ( !is_array($protocols) )
$protocols = array('http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet');
if ( wp_kses_bad_protocol( $url, $protocols ) != $url )
return '';
return apply_filters('clean_url', $url, $original_url);
return apply_filters('clean_url', $url, $original_url, $context);
}
function sanitize_url( $url, $protocols = null ) {
return clean_url( $url, $protocols, 'db');
}
// Borrowed from the PHP Manual user notes. Convert entities, while