wp-includes/PHPMailer/DSNConfigurator.php:60Configure PHPMailer instance with DSN string.
$mailerPHPMailer\PHPMailer\PHPMailer$dsnstringPHPMailer\PHPMailer\PHPMailer public function configure(PHPMailer $mailer, $dsn) { $config = $this->parseDSN($dsn); $this->applyConfig($mailer, $config); return $mailer; }Unchanged from 6.9.7 through 7.1.0.
Signature, return type and hooks compared across 3 parsed releases.
src/wp-includes/PHPMailer/DSNConfigurator.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.