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<?php declare(strict_types=1); $incomingArray = [ 'foo' => 'abc', 'bar' => null, 'candy' => 1, 'foobar' => true, 'df' => 'this should not be in results', 'aa' => '', ]; $myKeyCheck = ['foo', 'bar', 'candy', 'foobar', 'barfoo', 'fd', 'aa']; $filter = function($a) { return is_string($a); }; \var_dump(\array_filter(\array_intersect_key($incomingArray, \array_flip($myKeyCheck)), $filter));
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { ["foo"]=> string(3) "abc" ["aa"]=> string(0) "" }

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