original_string: public function get($alias)
      {
          $alias = strtolower($alias);
          if (isset($this->_items[$alias])) {
              return $this->_items[$alias];
          }
  
          return null;
      }
code: public function get($alias)
      {
          $alias = strtolower($alias);
          if (isset($this->_items[$alias])) {
              return $this->_items[$alias];
          }
  
          return null;
      }
code_tokens: public function get ( $ alias ) { $ alias = strtolower ( $ alias ) ; if ( isset ( $ this -> _items [ $ alias ] ) ) { return $ this -> _items [ $ alias ] ; } return null ; }
docstring: Fetch an attached association by name.
  
  @param string $alias The association alias to get.
  @return \Cake\ORM\Association|null Either the association or null.
docstring_tokens: Fetch an attached association by name .