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run code in 200+ php & hhvm versions
Bugs & Features
<?php $array1 = array("a" => array(1)); $array2 = array("b" => array("1")); $a = array(1,2,3,4); $b = array(2,4); $c = array(1,2,3,4); $d = array(2,4); $x = array_flip($a); $y = array_flip($b); print_r($x); print_r($y); $result2 = array_intersect_key($x, $y); // 2 4 //$result3 = array_intersect($c,$d); print_r($result2); $result2 = array_flip($result2); print_r($result2); //print_r($result3); ?>
based on hUGng
Output for 5.1.0 - 7.2.0
Array ( [1] => 0 [2] => 1 [3] => 2 [4] => 3 ) Array ( [2] => 0 [4] => 1 ) Array ( [2] => 1 [4] => 3 ) Array ( [1] => 2 [3] => 4 )
Output for 5.0.0 - 5.0.5
Array ( [1] => 0 [2] => 1 [3] => 2 [4] => 3 ) Array ( [2] => 0 [4] => 1 ) Fatal error: Call to undefined function array_intersect_key() in /in/8SCqu on line 15
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Array ( [1] => 0 [2] => 1 [3] => 2 [4] => 3 ) Array ( [2] => 0 [4] => 1 ) Fatal error: Call to undefined function: array_intersect_key() in /in/8SCqu on line 15
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Array ( [1] => 0 [2] => 1 [3] => 2 [4] => 3 ) Array ( [2] => 0 [4] => 1 ) Fatal error: Call to undefined function: array_intersect_key() in /in/8SCqu on line 15
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Array ( [1] => 0 [2] => 1 [3] => 2 [4] => 3 ) Array ( [2] => 0 [4] => 1 ) Fatal error: Call to undefined function: array_intersect_key() in /in/8SCqu on line 15