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<?php $required = ['k1', 'k2']; $data = [ 'k1' => 'v1', ]; $required == array_intersect($required, array_keys($data)); var_dump($required);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> string(2) "k1" [1]=> string(2) "k2" }

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