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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = function($iteratie=0) { global $a; var_dump($a); }; echo $a();
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
object(Closure)#1 (1) { ["parameter"]=> array(1) { ["$iteratie"]=> string(10) "<optional>" } }
Output for hhvm-3.12.0
object(Closure$;1638247389$5470197455619cb0a914a9ca78bd31a7$)#1 (1) { ["parameter"]=> array(1) { ["$iteratie"]=> string(10) "<optional>" } }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/1rLZB on line 2
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/1rLZB on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/1rLZB on line 2
Process exited with code 255.