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WordPress Web Application Development - Second Edition by Rakhitha Nimesh Ratnayake

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Scheduling subscriber notifications

Sending notifications is a common task in any web application. In this scenario, we have subscribers who want to receive e-mail updates about developer activities. In Chapter 8, Enhancing the Power of Open Source Libraries and Plugins, we created a simple e-mail notification system on post publish. Notifying subscribers on post publish can become impossible in a situation where you have a large number of subscribers. Therefore, we will take a look at the scheduling features of WordPress for automating the notification sending process.

As a developer, you might be familiar with cron, which executes certain tasks in a time-based manner. WordPress scheduling functions offer the same functionality with less flexibility. ...

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