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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = ['foo' => 'bar']; $b = ['foo' => 'baz', 'unknown' => 'lol']; var_dump(array_intersect_key($b, $a));
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { ["foo"]=> string(3) "baz" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/WhED8 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/WhED8 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WhED8 on line 3
Process exited with code 255.