Set the Default Theme for a WordPress Multisite Network
Set a custom default theme for newly created sites in a WordPress multisite network with one wp-config.php constant.
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Fix Notice: Undefined Variable Warnings in WordPress
Why Notice: Undefined variable warnings appear in WordPress development and the practical ways to handle them properly.
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Adjust Time Display Based on Post Freshness in WordPress
Display WordPress post dates differently depending on how recent the content is, such as showing time today, yesterday for recent posts, and month-day for older posts.
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media_handle_upload(): Process Image and File Uploads in WordPress
A practical introduction to WordPress media_handle_upload(), including its parameters, return value, and a front-end upload example.
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Replace Gravatar with Duoshuo to Speed Up Avatar Loading in WordPress
Use a simple get_avatar filter to replace the slow Gravatar host and speed up avatar loading in WordPress.
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Customize WordPress Registration and Login and Redirect Users to a Front-End User Center
Several practical snippets for hiding the default WordPress dashboard from regular users and routing them through a front-end user center instead.
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Change the WordPress Posts Menu Label to News
Two practical ways to rename the built-in WordPress Posts menu label to News without editing core translation files.
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Add Custom Fields to WooCommerce Product Categories
How to add, save, and retrieve custom fields for WooCommerce product categories, using a font icon field as the example.
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Create a Paginated User List in WordPress with paginate_links()
Use get_users() together with paginate_links() to build a paginated user list in WordPress and avoid loading every user on one page.
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Save Remote Files and Images to the WordPress Media Library
How to download remote files with WordPress and save them into the Media Library using download_url(), media_handle_sideload(), and media_sideload_image().
