This is a common question I get from folks in the WordPress community. How can I “lock things down” and prevent any changes to plugins, themes, and WordPress core files. For example, how to prevent any themes and/or plugins from being updated or deleted, and how to prevent any new plugins from being installed. This is useful for certain projects where it’s necessary to lock a website to a static version. Fortunately, WordPress makes this super easy with a couple of PHP constants. Let’s take a quick look..
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