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Ultimate make_clickable. Fixes #14993 props filosofo

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git-svn-id: https://develop.svn.wordpress.org/trunk@16948 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Peter Westwood 2010-12-15 13:43:30 +00:00
parent e3fce95343
commit 905ec5fb30
1 changed files with 9 additions and 2 deletions
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11
wp-includes/formatting.php
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@ -1312,12 +1312,19 @@ function antispambot($emailaddy, $mailto=0) {
*/
function _make_url_clickable_cb($matches) {
$url = $matches[2];
$suffix = '';
/** Include parentheses in the URL only if paired **/
while ( substr_count( $url, '(' ) < substr_count( $url, ')' ) ) {
$suffix = strrchr( $url, ')' ) . $suffix;
$url = substr( $url, 0, strrpos( $url, ')' ) );
}
$url = esc_url($url);
if ( empty($url) )
return $matches[0];
return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>";
return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>" . $suffix;
}
/**
@ -1379,7 +1386,7 @@ function _make_email_clickable_cb($matches) {
function make_clickable($ret) {
$ret = ' ' . $ret;
// in testing, using arrays here was found to be faster
$ret = preg_replace_callback('#(?<=[\s>])(\()?([\w]+?://(?:[\w\\x80-\\xff\#$%&~/=?@\[\](!+-]|[.,;:](?![\s<]|(\))?([\s]|$))|(?(1)\)(?![\s<.,;:]|$)|\)))+)#is', '_make_url_clickable_cb', $ret);
$ret = preg_replace_callback('#(?<!=[\'"])(?<=[*\')+.,;:!&$\s>])(\()?([\w]+?://(?:[\w\\x80-\\xff\#%~/?@\[\]-]|[\'*(+.,;:!=&$](?![\b\)]|(\))?([\s]|$))|(?(1)\)(?![\s<.,;:]|$)|\)))+)#is', '_make_url_clickable_cb', $ret);
$ret = preg_replace_callback('#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]+)#is', '_make_web_ftp_clickable_cb', $ret);
$ret = preg_replace_callback('#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret);
// this one is not in an array because we need it to run last, for cleanup of accidental links within links