3v4l.org

run code in 200+ php & hhvm versions
<?php $foo = new class { public int $bar = 42; }; $reference = &$foo->bar;

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
Fatal error: Uncaught TypeError: Typed property class@anonymous::$bar must not be referenced in /in/WEZHv:7 Stack trace: #0 {main} thrown in /in/WEZHv on line 7
Process exited with code 255.
Output for Arrow functions
Parse error: syntax error, unexpected 'int' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/WEZHv on line 4
Process exited with code 255.
Output for Object typehint
Parse error: syntax error, unexpected 'int' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/WEZHv on line 4
Process exited with code 255.
Output for Array change keys
Parse error: syntax error, unexpected 'int' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/WEZHv on line 4
Process exited with code 255.
Output for Lexical anon
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/WEZHv on line 2
Process exited with code 255.

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