3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "? this is a ? test ?"; echo trim($str, '?');
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.29, 8.0.0 - 8.0.19, 8.1.0 - 8.1.6
this is a ? test

preferences:
259.82 ms | 414 KiB | 6 Q