3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(version_compare(phpversion(), '7.1.0', '>='));
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.6
bool(true)
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20
bool(false)

preferences:
73.7 ms | 401 KiB | 57 Q