php将一个数值切成N份

<?php       /**      * 将一个数值切成N份      * @param  int $number    切的数值      * @param  int $avgNumber 份数      * @return array      */      function numberAvg($number, $avgNumber)      {          if($number == 0) {              $array = array_fill(0, $avgNumber, 0);          } else {              $avg     = floor($number / $avgNumber);              $ceilSum = $avg * $avgNumber;              $array   = array();              for($i = 0; $i < $avgNumber; $i++) {                  if($i < $number - $ceilSum) {                      array_push($array, $avg + 1);                  } else {                      array_push($array, $avg);                  }              }          }          return $array;      }  echo '<pre>';print_r(numberAvg(13, 10));