3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generator(array &$array) { foreach($array as $key => &$value) { yield $key => $value; } } $array = range(1, 10); foreach(generator($array) as &$value) { $value++; } var_dump($array);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Exception: You can only iterate a generator by-reference if it declared that it yields by-reference in /in/WXhIs:12 Stack trace: #0 {main} thrown in /in/WXhIs on line 12
Process exited with code 255.

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:
75.05 ms | 401 KiB | 8 Q