3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); $incomingArray = [ 'foo' => 'abc', 'bar' => null, 'candy' => 1, 'foobar' => true, 'barfoo' => false, ]; $myKeyCheck = ['foo', 'bar', 'candy', 'foobar', 'barfoo']; $iterator = function($a, $b) { return $a === null; }; $filter = function($a) { return $a !== null; }; \var_dump(\array_filter(\array_uintersect($incomingArray, \array_flip($myKeyCheck), $iterator), $filter));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: array_uintersect(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/2GLdK on line 22 array(4) { ["foo"]=> string(3) "abc" ["candy"]=> int(1) ["foobar"]=> bool(true) ["barfoo"]=> bool(false) }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
array(4) { ["foo"]=> string(3) "abc" ["candy"]=> int(1) ["foobar"]=> bool(true) ["barfoo"]=> bool(false) }

preferences:
150.82 ms | 402 KiB | 168 Q