3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); $data = "\xe2\x99\xa5"; $data = mb_ereg_replace("\u2665","heart",$data); var_dump($data); echo $data;
Output for 7.3.16 - 7.3.33, 8.1.28, 8.2.18 - 8.2.19, 8.3.5 - 8.3.7
string(5) "heart" heart
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(3) "♥" ♥
preferences:
187.29 ms | 404 KiB | 270 Q