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<?php $arr = Array ( 0 => Array ( 0 => 'Red', 1 => Steel ), 1 => Array ( 0 => 'Red', 1 => Wood ) , 2 => Array ( 0 => 'Blue', 1 => Wood ) ); $a = array_column($arr, 0);print_r($a);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "Steel" in /in/87E76:3 Stack trace: #0 {main} thrown in /in/87E76 on line 3
Process exited with code 255.

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