3v4l.org

run code in 300+ PHP versions simultaneously
<?php define("DEFINE",1); define("HELLO", 'this_exists'); define("this_doesnt_exist", "HELLO"); $vvar = "this_doesnt_exist"; var_dump( defined("DEFINE"), // true expected defined(DEFINE), // false expected defined("HELLO"), // true expected defined(this_doesnt_exist), // true expected defined($vvar) // true expected );
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) bool(false) bool(true) bool(true) bool(true)

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:
49.07 ms | 401 KiB | 8 Q