Posted By

plesh on 07/12/11

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regex
php

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Last Edited at 07/12/11 10:37pm

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Replace URLs with links - PHP

/ Published in: PHP

A really handy snippet that will replace textual URLs with HTML links.

Also works for email addresses.

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Copy this code and paste it in your HTML

function replace_links( $text ) 
{	
	$text = preg_replace('#(script|about|applet|activex|chrome):#is', "\\1:", $text);
 
	$ret = ' ' . $text;
 
	// Replace Links with http://
	$ret = preg_replace("#(^|[\n ])([\w]+?://[\w\#$%&~/.\-;:=,?@\[\]+]*)#is", "\\1<a href=\"\\2\" target=\"_blank\" rel=\"nofollow\">\\2</a>", $ret);
 
	// Replace Links without http://
	$ret = preg_replace("#(^|[\n ])((www|ftp)\.[\w\#$%&~/.\-;:=,?@\[\]+]*)#is", "\\1<a href=\"http://\\2\" target=\"_blank\" rel=\"nofollow\">\\2</a>", $ret);
 
	// Replace Email Addresses
	$ret = preg_replace("#(^|[\n ])([a-z0-9&\-_.]+?)@([\w\-]+\.([\w\-\.]+\.)*[\w]+)#i", "\\1<a href=\"mailto:\\2@\\3\">\\2@\\3</a>", $ret);
	$ret = substr($ret, 1);
 
	return $ret;
}