Myself and a fellow developer were working on updating a two/three year old plugin we developed for Wordpress this week. Its a fairly complex plugin which in one of its functions, relies on getting the recipients of e-mails sent out by Wordpress.
During our upgrading of the code, we discovered PHPMailer (the component Wordpress uses for mailing wp_mail, has been changed since we last wrote the plugin. The class properties "to", "bcc", "cc", "ReplyTo", and "all_recipients" of PHPMailer went from public to protected over the last couple years.
So our issue was
$mailer->to simply wouldn't work anymore, and there appeared to be no public access methods to get the addresses such as
I addressed the issue on PHPMailer's Github page, and provided a pull request which has been merged into the master :) So in short, you can now access "to", "bcc", "cc", "ReplyTo", and "all_recipients" by using
Cover image credit to: Ethan Hoover