Using PHPMailer for custom e-mail sending
In the previous section, we looked at the use of Backbone.js and Underscore.js to identify the usage of open source JavaScript libraries within the WordPress core. Now it's time to identify the use of open source PHP libraries within the WordPress core, so we are going to choose PHPMailer among a number of other open source libraries. PHPMailer is one of the most popular e-mail sending libraries, used inside many frameworks as a plugin or library. This library eases the complex tasks of creating advanced e-mails with attachments and third-party account authentications.
Note
PHPMailer has been added to GitHub for improving its development process. You can get more information about this library at:
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