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<?php $arr = array('test' => array('percy' => array('hello' => 'hatcherson'), 'percy' => array('mitchell', 'anderson'))); $allowed = array('percy'); $combined = array(); foreach ($arr as $k => $v) { $combined[] = array_intersect_key($arr, array_flip($allowed)); } var_dump($res);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $res in /in/ieVcD on line 15 NULL

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