3v4l.org

run code in 500+ PHP versions simultaneously
<?php $text = 'CgpNc2cgJiBkYXRhIHJhdGVzIG1heSBhcHBseS4gTXNnIGZyZXF1ZW5jeSB2YXJpZXMuIFJlcGx5IEhFTFAgZm9yIGhlbHAuIFJlcGx5IFNUT1AgdG8gY2FuY2VsLg=='; var_dump(base64_decode($text));
Output for 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(94) " Msg & data rates may apply. Msg frequency varies. Reply HELP for help. Reply STOP to cancel."

preferences:
61.43 ms | 988 KiB | 4 Q