3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = []; $foo2 = ['a']; $foo3 = [false]; $foo4 = [1,2,3,4,5,6,7,8,9]; echo ([] === $foo) ? 'empty' : ''; echo PHP_EOL; echo ([] === $foo2) ? 'empty' : ''; echo PHP_EOL; echo ([] === $foo3) ? 'empty' : ''; echo PHP_EOL; echo ([] === $foo4) ? 'empty' : ''; echo PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
empty

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page


preferences:
25.38 ms | 405 KiB | 5 Q