<?php $one = [ "one" => [ "rawr1" => "sweet1" ], "two" => [ "rawr2" => "sweet2" ], "three" => [ "rawr3" => "sweet3" ] ]; $keys = ["one", "three"]; var_dump(array_intersect_key($one, $keys)); var_dump(array_intersect_assoc($one, $keys)); var_dump(array_intersect($one, $keys));
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