original_string: private function mergeData(array $base, array $replacements)
      {
          return array_filter(array_merge($base, $replacements), function($value) {
              return $value !== null;
          });
      }
code: private function mergeData(array $base, array $replacements)
      {
          return array_filter(array_merge($base, $replacements), function($value) {
              return $value !== null;
          });
      }
code_tokens: private function mergeData ( array $ base , array $ replacements ) { return array_filter ( array_merge ( $ base , $ replacements ) , function ( $ value ) { return $ value !== null ; } ) ; }
docstring: Merge data and removing null values.
  
  @param  array $base         The array in which elements are replaced
  @param  array $replacements The array from which elements will be extracted
  @return array
docstring_tokens: Merge data and removing null values .