wp-includes/PHPMailer/PHPMailer.php:3853Check if a string contains multi-byte characters.
$strstringbool public function hasMultiBytes($str) { if (function_exists('mb_strlen')) { return strlen($str) > mb_strlen($str, $this->CharSet); } //Assume no multibytes (we can't handle without mbstring functions anyway) return false; }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.