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<?php $arr = Array( 0 => 15, 1 => 6, 2 => 19, 3 => 21, 4 => 18 ); function closest($arr, $x) { $result = "default"; sort($arr); foreach($arr as $value) { if($value < $x) { $result = $value; } else break; } return $result; } echo closest($arr,17)."\n"; echo closest($arr,20)."\n"; echo closest($arr,6);
Output for git.master, git.master_jit, rfc.property-hooks
15 19 default

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