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<?php $x = [ 'foo' => ['a' => 1, 'b' => 2], 'bar' => ['a' => 3, 'b' => 4], 'fizz' => ['a' => 5, 'b' => 6], 'buzz' => ['a' => 7, 'b' => 8] ]; var_dump(array_column($x, 'b'));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(4) { [0]=> int(2) [1]=> int(4) [2]=> int(6) [3]=> int(8) }
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/4tPEP on line 9
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/4tPEP on line 2
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/4tPEP on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4tPEP on line 2
Process exited with code 255.
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297.52 ms | 401 KiB | 383 Q