3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "####KELLY##### and ###ANOTHER###### not ####foo#### but: ###SHARE###MIDDLE###HASHES### ?"; echo $str . "\n"; echo preg_replace_callback( '/#{3}\K[A-Z]+(?=#{3})/', function($m) { return str_repeat('#', strlen($m[0])); }, $str );
Output for git.master, git.master_jit, rfc.property-hooks
####KELLY##### and ###ANOTHER###### not ####foo#### but: ###SHARE###MIDDLE###HASHES### ? ############## and ################ not ####foo#### but: ############################# ?

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:
28.14 ms | 405 KiB | 5 Q