original_string: protected function _buildTree()
      {
          $returnTree = array();
          foreach ((array) $this->_return as $value) {
              $node = new Zend_Server_Reflection_Node($value);
              $this->_addTree($node);
              $returnTree[] = $node;
          }
  
          return $returnTree;
      }
code: protected function _buildTree()
      {
          $returnTree = array();
          foreach ((array) $this->_return as $value) {
              $node = new Zend_Server_Reflection_Node($value);
              $this->_addTree($node);
              $returnTree[] = $node;
          }
  
          return $returnTree;
      }
code_tokens: protected function _buildTree ( ) { $ returnTree = array ( ) ; foreach ( ( array ) $ this -> _return as $ value ) { $ node = new Zend_Server_Reflection_Node ( $ value ) ; $ this -> _addTree ( $ node ) ; $ returnTree [ ] = $ node ; } return $ returnTree ; }
docstring: Build the signature tree
  
  Builds a signature tree starting at the return values and descending
  through each method argument. Returns an array of
  {@link Zend_Server_Reflection_Node}s.
  
  @return array
docstring_tokens: Build the signature tree