Illuminate\Database\Query\Builder::leftJoinWhere PHP Method

    public function leftJoinWhere($table, $one, $operator, $two)
    {
        return $this->joinWhere($table, $one, $operator, $two, 'left');
    }

 /**
  * Add a "join where" clause to the query.
  *
  * @param string $table
  * @param string $one
  * @param string $operator
  * @param string $two
  * @return \Illuminate\Database\Query\Builder|static 
  * @static 
  */
 public static function leftJoinWhere($table, $one, $operator, $two)
 {
     return \Illuminate\Database\Query\Builder::leftJoinWhere($table, $one, $operator, $two);
 }