The 'avatar_defaults' PHP filter in WordPress allows developers to customize the default avatar options available to users. With this filter, developers can add their own custom avatars or remove the…

​The `before_signup_header` action in WordPress allows developers to modify the header section of the Site Sign-up page using PHP code, which can be used for adding custom content or functionality

The 'blog_details' PHP filter in WordPress allows developers to modify blog details before they are displayed on the front-end. This can be useful for customizing the appearance or functionality of…

The 'blog_redirect_404' PHP filter in WordPress can be a powerful tool for redirecting 404 errors to specific pages.

The 'bloginfo_url' PHP filter in WordPress allows developers to easily retrieve and modify various URL information related to their site.

The 'category_link' PHP filter in WordPress allows developers to modify category links in a custom way.

The 'check_admin_referer' PHP action in WordPress is a crucial security measure to prevent unauthorized access.

​The `attachment_innerHTML` WordPress filter modifies the HTML content of attachments on your site, allowing for customization of images and other media

The "attachment_icon" PHP filter in WordPress allows developers to modify the default icon displayed for file attachments. This can be useful for improving user experience and branding.