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run code in 200+ php & hhvm versions
Bugs & Features
<?php function closure() { $a = 0; return function () use (&$a) { return $a++; }; } $c = closure(); var_dump($c()); var_dump($c()); var_dump($c()); var_dump($c()); var_dump($c()); $factorial = function ($n) use (&$factorial) { if ($n < 2) return 1; return $n * $factorial($n - 1); } $factorial(5);
based on sPINc
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.1.6
Parse error: syntax error, unexpected '$factorial' (T_VARIABLE) in /in/SODOD on line 22
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: syntax error, unexpected T_VARIABLE in /in/SODOD:22 Stack trace: #0 {main}
Process exited with code 255.