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run code in 150+ php & hhvm versions
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<?php $array1 = array("a" => "green", "b" => "brown", "c" => "blue"); $array2 = array("a" => "green", "c" => "blue2", "d" => "cyan"); $array1 = array_intersect_key($array1, $array2); print_r($array1); $result = array_intersect_key($array2, $array1); print_r($result);
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [a] => green [c] => blue ) Array ( [a] => green [c] => blue2 )
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/o0euM on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_intersect_key() in /in/o0euM on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_intersect_key() in /in/o0euM on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_intersect_key() in /in/o0euM on line 4