3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['7.2.0-RC2', '7.2.0', '7.2.1', '7.1.0-RC2', '7.1.0', '7.1.5', '5.6.3']; foreach ($a as $version) { echo $version."\n"; var_dump( version_compare($version, '7.2.0', '<'), version_compare($version, '7.1.999', '>') ); echo "\n\n"; } ?>

preferences:
58.64 ms | 402 KiB | 5 Q