3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( version_compare('1.0.0', '1.0.1', '<') );
Output for 8.1.0 - 8.1.29, 8.2.0 - 8.2.21, 8.3.0 - 8.3.9
bool(true)
preferences:
85.98 ms | 403 KiB | 67 Q