original_string: protected function get_element_with_lowest_workload($workload) {
          $precision = 10;
  
          if (empty($workload)) {
              return false;
          }
          $minload = round(min($workload), $precision);
          $minkeys = array();
          foreach ($workload as $key => $val) {
              if (round($val, $precision) == $minload) {
                  $minkeys[$key] = $val;
              }
          }
          return array_rand($minkeys);
      }
code: protected function get_element_with_lowest_workload($workload) {
          $precision = 10;
  
          if (empty($workload)) {
              return false;
          }
          $minload = round(min($workload), $precision);
          $minkeys = array();
          foreach ($workload as $key => $val) {
              if (round($val, $precision) == $minload) {
                  $minkeys[$key] = $val;
              }
          }
          return array_rand($minkeys);
      }
code_tokens: protected function get_element_with_lowest_workload ( $ workload ) { $ precision = 10 ; if ( empty ( $ workload ) ) { return false ; } $ minload = round ( min ( $ workload ) , $ precision ) ; $ minkeys = array ( ) ; foreach ( $ workload as $ key => $ val ) { if ( round ( $ val , $ precision ) == $ minload ) { $ minkeys [ $ key ] = $ val ; } } return array_rand ( $ minkeys ) ; }
docstring: Selects an element with the lowest workload
  
  If there are more elements with the same workload, choose one of them randomly. This may be
  used to select a group or user.
  
  @param array $workload [groupid] => (int)workload
  @return mixed int|bool id of the selected element or false if it is impossible to choose
docstring_tokens: Selects an element with the lowest workload