3v4l.org

run code in 300+ PHP versions simultaneously
<?php function colorSequences($i1,$i2) { $m = strlen($i1); $n = strlen($i2); $am = str_split($i1); $at = str_split($i2); $count = 0; /*for($i=0;$i<$m;$i++){ if(count($i2) > 0){ if( in_array($i1[$i],$at) ){ $key = array_search($i1[$i],$at); unset($at[$key]); }else{ $count++; } }else{ $count++; } } return $count+(count($at))-$m;*/ return array_diff($am, $at); } print_r( colorSequences("xa","asdf")); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => x )

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:
60.03 ms | 401 KiB | 8 Q