3v4l.org

run code in 500+ 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 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
string(22) "a9c3a9c3a9c3a9c3a9c3a9"
preferences:
110.06 ms | 1508 KiB | 4 Q