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make_clickable() now faster and supports more link positions, from mdawaffe and myself. fixes #3228

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git-svn-id: http://svn.automattic.com/wordpress/branches/2.0@4385 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
markjaquith 2006-10-13 06:01:14 +00:00
parent 2e621f422f
commit 3d71ec4384
1 changed files with 13 additions and 5 deletions
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18
wp-includes/functions-formatting.php
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@ -589,12 +589,20 @@ function antispambot($emailaddy, $mailto=0) {
return $emailNOSPAMaddy;
}
function make_clickable($ret) {
function make_clickable_mine4($ret) {
$ret = ' ' . $ret;
$ret = preg_replace("#(^|[\n ])([\w]+?://[\w\#$%&~/.\-;:=,?@\[\]+]*)#is", "$1<a href='$2' rel='nofollow'>$2</a>", $ret);
$ret = preg_replace("#(^|[\n ])((www|ftp)\.[\w\#$%&~/.\-;:=,?@\[\]+]*)#is", "$1<a href='http://$2' rel='nofollow'>$2</a>", $ret);
$ret = preg_replace("#(\s)([a-z0-9\-_.]+)@([^,< \n\r]+)#i", "$1<a href=\"mailto:$2@$3\">$2@$3</a>", $ret);
$ret = substr($ret, 1);
// in testing, using arrays here was found to be faster
$ret = preg_replace(
array(
'#([\s>])([\w]+?://[\w\#$%&~/.\-;:=,?@\[\]+]*)#is',
'#([\s>])((www|ftp)\.[\w\#$%&~/.\-;:=,?@\[\]+]*)#is',
'#([\s>])([a-z0-9\-_.]+)@([^,< \n\r]+)#i'),
array(
'$1<a href="$2" rel="nofollow">$2</a>',
'$1<a href="http://$2" rel="nofollow">$2</a>',
'$1<a href="mailto:$2@$3">$2@$3</a>'),$ret);
// this one is not in an array because we need it to run last, for cleanup of accidental links within links
$ret = preg_replace("#(<a( [^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i", "$1$3</a>", $ret);
$ret = trim($ret);
return $ret;
}