Online PHP editor | refs for 2GLdK

<?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));