lib/mail/Mail.php
public function addBcc(
        $bcc,
        $name = null,
        $personalizationIndex = null,
        $personalization = null
    ) {
        if ($bcc instanceof Bcc) {
            $name = $bcc->getName();
            $bcc = $bcc->getEmailAddress();
        }
        $this->addRecipientEmail(
            "Bcc",
            $bcc,
            $name,
            $personalizationIndex,
            $personalization
        );
    }
public function addBcc(
        $bcc,
        $name = null,
        $personalizationIndex = null,
        $personalization = null
    ) {
        if ($bcc instanceof Bcc) {
            $name = $bcc->getName();
            $bcc = $bcc->getEmailAddress();
        }
        $this->addRecipientEmail(
            "Bcc",
            $bcc,
            $name,
            $personalizationIndex,
            $personalization
        );
    }
public function addBcc ( $ bcc , $ name = null , $ personalizationIndex = null , $ personalization = null ) { if ( $ bcc instanceof Bcc ) { $ name = $ bcc -> getName ( ) ; $ bcc = $ bcc -> getEmailAddress ( ) ; } $ this -> addRecipientEmail ( "Bcc" , $ bcc , $ name , $ personalizationIndex , $ personalization ) ; }
Adds an email bcc recipient to a Personalization object

@param string|Bcc $bcc Email address or Bcc object
@param string $name Recipient name
@param int|null $personalizationIndex Index into an array of
existing Personalization
objects
@param Personalization|null $personalization A pre-created
Personalization object
Adds an email bcc recipient to a Personalization object