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run code in 200+ php & hhvm versions
Bugs & Features
<?php function array_key_match($target, $match) { $targetKeys = array_keys($target); $diff = array_diff($target, $match); return ($diff == array_diff($diff, $match)); } print_r(array_diff([1, 2, 3, 4], [1, 4]));
based on Tot8E
Output for 5.4.0 - 7.2.0
Array ( [1] => 2 [2] => 3 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/ZNfNt on line 10
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 '[', expecting ')' in /in/ZNfNt on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/ZNfNt on line 10
Process exited with code 255.