3v4l.org

run code in 300+ PHP versions simultaneously
<?php function clean_link($a, $b) { return "change"; } function run($str) { $eval_links = '$link = clean_link("$1","$2")'; echo preg_replace('{test}ei',"$eval_links",$str); } run('test');

preferences:
68.96 ms | 477 KiB | 5 Q