3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(version_compare(phpversion(), '7.1.0RC6', '>='));
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
bool(true)
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.0.20
bool(false)
preferences:
109.57 ms | 402 KiB | 116 Q