3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = "POLO.GZM.ORANGE.MOB2"; echo "$a\n"; $b = strtr($a, array("Y"=>"Z", "Z"=>"Y")); echo "$b\n";
based on iQQIU
Output for 5.3.19 - 7.2.0
POLO.GZM.ORANGE.MOB2 POLO.GYM.ORANGE.MOB2