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<?php $num = [2.117647058, 0.002117647058]; foreach($num as $n){ if(substr($n,0,1) > 0){ echo round($n, 2) . "\n"; }else{ preg_match("/([0\.]+)(\d{1,2})/", $n, $m); echo $m[0] . "\n"; } }
Output for git.master_jit, git.master, rfc.property-hooks
2.12 0.0021

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