3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( md5( '' ) );
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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
string(32) "d41d8cd98f00b204e9800998ecf8427e"
preferences:
159.32 ms | 407 KiB | 5 Q