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<?php $a = array( 'station_type', 'max', 'starts_with', 'lang', 'transpost_type' ); $b = array('station_type' => 1, 'b' => 2, 'c' => 3); var_dump(array_diff_key($a, $b));
Output for git.master, git.master_jit, rfc.property-hooks
array(5) { [0]=> string(12) "station_type" [1]=> string(3) "max" [2]=> string(11) "starts_with" [3]=> string(4) "lang" [4]=> string(14) "transpost_type" }

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