<?php declare(strict_types=1); $incomingArray = [ 'foo' => 'abc', 'bar' => null, 'candy' => null, ]; $myKeyCheck = ['foo', 'bar', 'candy']; $iterator = function($a, $b) { return empty($a); }; \var_dump(\array_filter(\array_uintersect($incomingArray, \array_flip($myKeyCheck), $iterator)));
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