3v4l.org

run code in 300+ PHP versions simultaneously
<?php $😚 = 'Hello'; $🌎 = 'World'; function 💬($🔠, $🔡) { echo $🔠.' '.$🔡; }; 💬($😚, $🌎);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Hello World

preferences:
180.39 ms | 403 KiB | 214 Q