3v4l.org

run code in 300+ PHP versions simultaneously
<?php $os =array("Mac/OSX","PC/Windows" ); $string = "Mac"; foreach ($os as $data) { echo $data; if (strpos($data,$string ) !== FALSE) { echo "Match found"; }else{ echo "not found"; } }
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Mac/OSXMatch foundPC/Windowsnot found

preferences:
85.56 ms | 408 KiB | 5 Q