Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/AutoFilter/Column.php
public function setJoin($pJoin)
    {
        // Lowercase And/Or
        $pJoin = strtolower($pJoin);
        if (!in_array($pJoin, self::$ruleJoins)) {
            throw new PhpSpreadsheetException('Invalid rule connection for column AutoFilter.');
        }

        $this->join = $pJoin;

        return $this;
    }
public function setJoin($pJoin)
    {
        // Lowercase And/Or
        $pJoin = strtolower($pJoin);
        if (!in_array($pJoin, self::$ruleJoins)) {
            throw new PhpSpreadsheetException('Invalid rule connection for column AutoFilter.');
        }

        $this->join = $pJoin;

        return $this;
    }
Set AutoFilter Multiple Rules And/Or.

@param string $pJoin And/Or

@throws PhpSpreadsheetException

@return Column