3v4l.org

run code in 300+ PHP versions simultaneously
<?php $forbidden_words = array("word1", "word2", "word3"); $string = "a very long text .... word"; if(preg_match('/\b(' . implode('|', array_map('preg_quote', $forbidden_words)) . ')\b/', $string)) { echo 'have forbidden word(s)'; } else { echo 'no forbidden words'; }
Output for git.master, git.master_jit, rfc.property-hooks
no forbidden words

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
73.08 ms | 405 KiB | 5 Q