3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_decode('Hola "\uD83D\uDE00"');
Output for 5.6.0 - 5.6.24, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
preferences:
78.07 ms | 407 KiB | 5 Q