3v4l.org

run code in 500+ PHP versions simultaneously
<?php $client = 1; $someStr = "Send command \$client"; echo $someStr;
Output for 7.4.0 - 7.4.33, 8.0.1 - 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
Send command $client
preferences:
92.33 ms | 1240 KiB | 4 Q