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<?php function getClosest($search, $arr) { $closest = null; foreach($arr as $item) { if($closest == null || abs($search - $closest) > abs($item - $search)) { $closest = $item; } } return $closest; } $arr = array(0,5,10,15,20); $number = 15; echo getclosest($number,$arr);
Output for git.master, git.master_jit, rfc.property-hooks
15

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