3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( 'aaaa'); // collect([ // ]);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(4) "aaaa"
preferences:
102.17 ms | 402 KiB | 89 Q