3v4l.org

run code in 500+ PHP versions simultaneously
<?php $list = [ ['a' => 1, 'b' => 'x'], ['a' => 2, 'b' => 'y'], ['a' => 3, 'd' => 'z'], ]; array_column($list, 'a'); // [1, 2, 3] array_column($list, 'b'); // [x, y] array_column($list, 'a', 'b'); // [x => 1, y => 2, 0 => 3] class X { function __construct(public int $a, public string $b, public string $c) } $list = [ new X(a: 1, b: 'x'), new X(a: 2, b: 'y'), new X(a: 3, d: 'z'), ]; array_column($list, 'a'); // [1, 2, 3] ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.15, 8.5.0
Parse error: syntax error, unexpected token "}", expecting ";" or "{" in /in/Nc1uL on line 17
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Parse error: syntax error, unexpected 'public' (T_PUBLIC), expecting variable (T_VARIABLE) in /in/Nc1uL on line 16
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Parse error: syntax error, unexpected 'public' (T_PUBLIC), expecting '&' or variable (T_VARIABLE) in /in/Nc1uL on line 16
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/Nc1uL 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/Nc1uL on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Nc1uL on line 3
Process exited with code 255.
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71.01 ms | 2694 KiB | 3 Q