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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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().
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Upload Images from the Front End and Attach Them to Posts in WordPress
Use WordPress media_handle_upload() from the front end to upload one or more images and attach them to a post.
