3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = "[1,1x,1x,1x][2,2x,2x,2x]"; $arr =""; preg_replace_callback('/\[(.*?)\]/', function($m) use (&$arr){ $arr[] = explode(',',preg_replace('/([\w]+)/', "[$1]", $m[1])); }, $str); print_r($arr); var_dump($arr);
based on QNfAJ
Output for 7.1.0 - 7.2.0
Fatal error: Uncaught Error: [] operator not supported for strings in /in/sLGA8:6 Stack trace: #0 [internal function]: {closure}(Array) #1 /in/sLGA8(7): preg_replace_callback('/\\[(.*?)\\]/', Object(Closure), '[1,1x,1x,1x][2,...') #2 {main} thrown in /in/sLGA8 on line 6
Process exited with code 255.
Output for 5.3.0 - 7.0.20
Array ( [0] => Array ( [0] => [1] [1] => [1x] [2] => [1x] [3] => [1x] ) [1] => Array ( [0] => [2] [1] => [2x] [2] => [2x] [3] => [2x] ) ) array(2) { [0]=> array(4) { [0]=> string(3) "[1]" [1]=> string(4) "[1x]" [2]=> string(4) "[1x]" [3]=> string(4) "[1x]" } [1]=> array(4) { [0]=> string(3) "[2]" [1]=> string(4) "[2x]" [2]=> string(4) "[2x]" [3]=> string(4) "[2x]" } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/sLGA8 on line 5
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/sLGA8 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/sLGA8 on line 5
Process exited with code 255.