3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo() { for ($i = 0; $i < 10 ; $i++) { yield $i; } } echo (foo()); echo (foo()); echo (foo()); echo (foo()); echo (foo());
based on Mr2VC

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for Typed properties v2
Catchable fatal error: Object of class Generator could not be converted to string in /in/mnt0r on line 8
Output for Arrow functions
Recoverable fatal error: Object of class Generator could not be converted to string in /in/mnt0r on line 8
Output for Object typehint
Recoverable fatal error: Object of class Generator could not be converted to string in /in/mnt0r on line 8
Output for Array change keys
Catchable fatal error: Object of class Generator could not be converted to string in /in/mnt0r on line 8
Output for Lexical anon
Catchable fatal error: Object of class Generator could not be converted to string in /in/mnt0r on line 8

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