3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); $data = "\xe2\x99\xa4"; $data = mb_ereg_replace("\u2665","heart",$data); var_dump($data); echo $data;
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(3) "♤" ♤
preferences:
268.89 ms | 404 KiB | 332 Q