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run code in 150+ php & hhvm versions
Bugs & Features
<?php $b = 10; $f = function() use ($b) { return $x = function($b) { return $b; }; }; var_dump( $f(1));
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
object(Closure)#2 (1) { ["parameter"]=> array(1) { ["$b"]=> string(10) "<required>" } }
Output for hhvm-3.10.0 - 3.12.0
object(Closure$;894839764)#2 (1) { ["parameter"]=> array(1) { ["$b"]=> string(10) "<required>" } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/6oIvH on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/6oIvH on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/6oIvH on line 3
Process exited with code 255.