run code in 150+ php & hhvm versions
Bugs & Features
<?php $imageTag = '<description><![CDATA[<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html; charset=ISO-8859-1" http-equiv="content-type"> <title>castle</title> </head> <body> <br> <br> <img src="http://nycxplorer.com/wp-content/uploads/2012/02/bagel1-1.jpg"> <br><br>a;lkj>poique <br> A Castle! </body> </html>]]></description>'; //grab the src portion of the image tag $srcPattern = "/src\s*?=\s*?\S+?>/s"; preg_match($srcPattern, $imageTag, $srcParts); $srcPart = $srcParts[0]; print_r($srcPart. "\n"); //remove all whitespace from within and around the src portion $srcPart = trim(preg_replace('/[\s]+/','', $srcPart)); print_r($srcPart . "\n"); //grab the src URL $oldUrl = substr($srcPart, 4); //if there are quotes at the beginning of the url, cut them off if($oldUrl[0] == '"' || $oldUrl[0] == "'") { $oldUrl = substr($oldUrl, 1, strlen($oldUrl)-2); } print_r($oldUrl. "\n"); ?>
Output for 4.3.0 - 7.1.0
src="http://nycxplorer.com/wp-content/uploads/2012/02/bagel1-1.jpg"> src="http://nycxplorer.com/wp-content/uploads/2012/02/bagel1-1.jpg"> http://nycxplorer.com/wp-content/uploads/2012/02/bagel1-1.jpg"