public function orWhere($first, $operator = null, $second = null)
	{
		return $this->on($first, $operator, $second, 'or', true);
	}
public function orWhere($first, $operator = null, $second = null)
	{
		return $this->on($first, $operator, $second, 'or', true);
	}
public function orWhere ( $ first , $ operator = null , $ second = null ) { return $ this -> on ( $ first , $ operator , $ second , 'or' , true ) ; }
Add an "or on where" clause to the join.

@param  \Closure|string  $first
@param  string|null  $operator
@param  string|null  $second
@return JoinClause
Add an or on where clause to the join .