3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(bin2hex(base64_decode('qcOpw6nDqcOpw6k=')));
Output for 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
string(22) "a9c3a9c3a9c3a9c3a9c3a9"
preferences:
101.89 ms | 1480 KiB | 4 Q