3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(strnatcmp(phpversion(),'5.3.0') < 0){ echo("Error : must have PHP version 5.3+ to run this script."); die(); } else { echo("good"); die(); }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
good
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Error : must have PHP version 5.3+ to run this script.

preferences:
174.03 ms | 402 KiB | 322 Q