3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array1 = array('description' => 'desc bla bla bla', 'summary' => 'summary bla bla bla', 'usage' => 'usage bla bla bla', 'status' => false); $array2 = array('description', 'summary'); $array_intersected = array_intersect_key($array1, array_flip($array2)); var_dump($array_intersected);
based on 9JelW
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { ["description"]=> string(16) "desc bla bla bla" ["summary"]=> string(19) "summary bla bla bla" }
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/Uc0LL on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_intersect_key() in /in/Uc0LL on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_intersect_key() in /in/Uc0LL on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_intersect_key() in /in/Uc0LL on line 5