3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo; var_dump(function_exists('foo\strlen')); var_dump(strlen('x')); var_dump(function_exists('foo\strlen')); if (true) { function strlen($x) { return 42; } var_dump(function_exists('foo\strlen')); } var_dump(strlen('x'));
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) int(1) bool(false) bool(true) int(42)

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:
37.86 ms | 401 KiB | 8 Q