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run code in 300+ PHP versions simultaneously
<?php $a = "hola"; function request($value,$callback){ if($callback){ call_user_func($callback,array("asd"=>&$a)); }else{ echo "NO_CALLBACK"; } } request($b,function($array){ $array['asd'] = "adios"; echo $a; });
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Warning: Undefined variable $b in /in/kR4af on line 15 Warning: Undefined variable $a in /in/kR4af on line 18
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: b in /in/kR4af on line 15 Notice: Undefined variable: a in /in/kR4af on line 18
Output for 7.3.32 - 7.3.33
preferences:
154.11 ms | 401 KiB | 185 Q