3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myarr = array("world cup"); foreach($myarr as $v){ if(strpos($v,'o')!==false) $myarr[] = str_replace('o','O',$v); if(strpos($v,'O')!==false) $myarr[] = str_replace('O','o',$v); } var_export($myarr);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 'world cup', 1 => 'wOrld cup', )

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:
121.01 ms | 401 KiB | 8 Q