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<?php $category = array( '1' => 'Ctegory 1', '2' => 'Ctegory 2', '3' => 'Ctegory 3', ); $explodeID = explode(',', '3,1'); foreach($category as $key => $value){ if(in_array($key, $explodeID)){ echo "$key => $value"; } }
Output for git.master, git.master_jit, rfc.property-hooks
1 => Ctegory 13 => Ctegory 3

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