As you continue writing for WordPress more and more, the level of difficulty and complexity of your plugins will eventually reach far beyond the simple back-end data manipulation, as demonstrated in our beginner’s article. In this installment we’ll cover in-depth: database interaction, Admin Widgets, and Sidebar Widgets. Today’s example will be a custom built “Most Popular by Views” plugin, which creates an admin area widget for us to view, and a sidebar widget for visitors to see.
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