WordPress development mainly uses PHP, because WordPress core, themes, and plugins run on PHP. You also use HTML to structure pages and templates, and CSS to style layouts and make designs responsive. JavaScript is used for interactive features, animations, and modern block editor work. Many developers use JavaScript libraries like React, because WordPress blocks are built with it. For the database, WordPress uses MySQL, so basic SQL knowledge helps for queries and optimization. You may also use JSON with the REST API. Together, these languages cover most WordPress development needs.
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