original_string: protected function formatName($column)
      {
          $columns = explode('.', $column);
  
          if (count($columns) == 1) {
              $name = $columns[0];
          } else {
              $name = array_shift($columns);
  
              foreach ($columns as $column) {
                  $name .= "[$column]";
              }
          }
  
          return ['start' => "{$name}[start]", 'end' => "{$name}[end]"];
      }
code: protected function formatName($column)
      {
          $columns = explode('.', $column);
  
          if (count($columns) == 1) {
              $name = $columns[0];
          } else {
              $name = array_shift($columns);
  
              foreach ($columns as $column) {
                  $name .= "[$column]";
              }
          }
  
          return ['start' => "{$name}[start]", 'end' => "{$name}[end]"];
      }
code_tokens: protected function formatName ( $ column ) { $ columns = explode ( '.' , $ column ) ; if ( count ( $ columns ) == 1 ) { $ name = $ columns [ 0 ] ; } else { $ name = array_shift ( $ columns ) ; foreach ( $ columns as $ column ) { $ name .= "[$column]" ; } } return [ 'start' => "{$name}[start]" , 'end' => "{$name}[end]" ] ; }
docstring: Format two field names of this filter.
  
  @param string $column
  
  @return array
docstring_tokens: Format two field names of this filter .