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<?php $accessible = array('title', 'description', 'category_ids'); $attributes = array('id', 'title' => 'Pippo', 'description' => 'Lollo', 'permalink', 'author_id', 'category_ids' => array('ciao', 'come', 'va'), 'pippo'); print_r(array_intersect_key($attributes, $accessible)); // print_r(array_diff($attributes, $accessible));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => id [1] => permalink [2] => author_id )

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