3v4l.org

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, $match)); } function test($target, $match, $expect) { return preg_replace('/\n/', '', sprintf( "Target %s, Match %s: %s\n", var_dump($target, true), var_dump($match, true), (array_key_match($target, $match) == $expect) ? 'true' : 'false' )); } print test([1, 2, 3, 4, 5], [2, 3], true); print test(['a', 'b', 'c'], ['c', 'b'], true); print test([1, 2, 3, 4, 5], [4, 5, 6], false);
based on 4ZlSY
Output for 5.4.0 - 7.2.0
array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } bool(true) array(2) { [0]=> int(2) [1]=> int(3) } bool(true) Target , Match : truearray(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" } bool(true) array(2) { [0]=> string(1) "c" [1]=> string(1) "b" } bool(true) Target , Match : truearray(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } bool(true) array(3) { [0]=> int(4) [1]=> int(5) [2]=> int(6) } bool(true) Target , Match : false
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/3kMSK on line 20
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/3kMSK on line 20
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/3kMSK on line 20
Process exited with code 255.