<?php $str = '<a href="hello">world</a><div>wow <div>such depth</div> with another <a href="foo">link</a></div> <h1>and other html stuff</h1>'; $id = 1; print $str; print "\n"; $new_str = preg_replace_callback("/(<a|<div)/", function($match) use (&$id) { switch ($match[1]) { case '<div': $result = '<div id="b_'.$id.'"'; break; case '<a': $result = '<!-- UNIT'.$id.' --><a id="a_'.$id.'"'; break; default: $result = ""; break; } $id++; return $result; }, $str); print $new_str;
You have javascript disabled. You will not be able to edit any code.