$pHPMailer->beforeSend()
Returns the beforeSend callback closure, which has access to the PHPMailer instance
$pHPMailer->beforeSend(): Closure|null
Return types
Closure
ornull
This method modifies the existing $phpmailer
object it is applied to and returns it again.
Parent class
Kirby\Email\PHPMailer
inherited from Kirby\Email\Email