3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [['id' => 1], ['id' => 2]]]; var_dump(array_map(function($r) { return $r['id']; }, $a));
Output for 5.4.0 - 5.4.35
Parse error: syntax error, unexpected ']' in /in/nQ70S on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/nQ70S on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/nQ70S on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/nQ70S on line 3
Process exited with code 255.
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219.4 ms | 1395 KiB | 125 Q