original_string: public function or_on($c1, $op, $c2)
  	{
  		$this->_last_join->or_on($c1, $op, $c2);
  
  		return $this;
  	}
code: public function or_on($c1, $op, $c2)
  	{
  		$this->_last_join->or_on($c1, $op, $c2);
  
  		return $this;
  	}
code_tokens: public function or_on ( $ c1 , $ op , $ c2 ) { $ this -> _last_join -> or_on ( $ c1 , $ op , $ c2 ) ; return $ this ; }
docstring: Adds "OR ON ..." conditions for the last created JOIN statement.
  
  @param   mixed   $c1  column name or array($column, $alias) or object
  @param   string  $op  logic operator
  @param   mixed   $c2  column name or array($column, $alias) or object
  
  @return  $this
docstring_tokens: Adds OR ON ... conditions for the last created JOIN statement .