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run code in 200+ php & hhvm versions
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<?php $a = [ [ 'foo' => 0.5 ], [ 'foo' => 0 ], [ 'foo' => '0' ], ]; var_dump(array_column($a, 'foo', 'foo'));
based on Bcg2Ge
Output for 5.5.0 - 5.6.30, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.2.7
array(1) { [0]=> string(1) "0" }
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/fbh3n 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/fbh3n 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/fbh3n on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/fbh3n on line 3
Process exited with code 255.