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run code in 200+ php & hhvm versions
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<?php $arr = [ ['object_id' => 3834, 'comment_nb' => 1], ['object_id' => 3835, 'comment_nb' => 4], ['object_id' => 3839, 'comment_nb' => 2], ]; $result = array_column($arr, null); var_dump($result);
based on pQ3JK
Output for 5.5.24 - 7.2.6
array(3) { [0]=> array(2) { ["object_id"]=> int(3834) ["comment_nb"]=> int(1) } [1]=> array(2) { ["object_id"]=> int(3835) ["comment_nb"]=> int(4) } [2]=> array(2) { ["object_id"]=> int(3839) ["comment_nb"]=> int(2) } }
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/jjerJ on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/jjerJ 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 '[' in /in/jjerJ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/jjerJ on line 3
Process exited with code 255.