The WordPress configuration file, also known as wp-config.php, is most frequently used to set up a database connection and is then forgotten. Despite its neglected nature, it is a powerhouse of features and opportunities for optimization.
While you don’t typically use the config file on a day-to-day basis, I’m betting that almost every WordPress install could benefit from adding a couple of things to this file. A well thought out config file can not only make a website faster and more secure, it can also add features like the ability to empty the trash more frequently, or disabling features such as revisions and offer advanced debugging capabilities.
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