3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 10; $foo = null; $ref = &$foo; do { $ref = array('foo' => 'bar'); $ref = &$ref['foo']; } while (--$x); var_dump($foo);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { ["foo"]=> array(1) { ["foo"]=> array(1) { ["foo"]=> array(1) { ["foo"]=> array(1) { ["foo"]=> array(1) { ["foo"]=> array(1) { ["foo"]=> array(1) { ["foo"]=> array(1) { ["foo"]=> array(1) { ["foo"]=> &string(3) "bar" } } } } } } } } } }

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:
63.19 ms | 402 KiB | 8 Q