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/** * * @author http://www.111com.net * Created on 2014-4-1 * @param array $array * @param int [optional] $length * @return array */ function mostRepeatedValues($array,$length=0){ if(empty($array) or !is_array($array)){ return false; } //1. 计算数组的重复值 $array = array_count_values($array); //2. 根据重复值 倒排序 arsort($array); if($length>0){ //3. 返回前 $length 重复值 $array = array_slice($array, 0, $length, true); } return $array; } $array = array(1, 1, 1, 54, 3,4, 3,4, 3, 14, 3,4, 3,7,8,9,12,45,66,5,7,8,9,2,45); $counts=mostRepeatedValues($array,5); print_r($counts); /* Array ( [3] => 5 [4] => 3 [1] => 3 [9] => 2 [45] => 2 ) */ ?> |