3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(0); $a = "abcdefffefa"; $b = "afe"; print(str_replace(array_unique(explode('', $b)), "", $a));
based on ijL4Y
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
abcdefffefa