wp-includes/PHPMailer/PHPMailer.php:2437Get the array of strings for the current language.
array public function getTranslations() { if (empty($this->language)) { $this->setLanguage(); // Set the default language. } return $this->language; }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/PHPMailer/PHPMailer.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.