original_string: public function sortByKeyFilter($input, $filter, $direction = SORT_ASC, $sort_flags = SORT_REGULAR)
      {
          return Utils::sortArrayByKey($input, $filter, $direction, $sort_flags);
      }
code: public function sortByKeyFilter($input, $filter, $direction = SORT_ASC, $sort_flags = SORT_REGULAR)
      {
          return Utils::sortArrayByKey($input, $filter, $direction, $sort_flags);
      }
code_tokens: public function sortByKeyFilter ( $ input , $ filter , $ direction = SORT_ASC , $ sort_flags = SORT_REGULAR ) { return Utils :: sortArrayByKey ( $ input , $ filter , $ direction , $ sort_flags ) ; }
docstring: Sorts a collection by key
  
  @param  array    $input
  @param  string   $filter
  @param  int      $direction
  @param  int      $sort_flags
  
  @return array
docstring_tokens: Sorts a collection by key