he publish meta box.   
[ get_attachment_fields_to_edit() ](https://developer.wordpress.org/reference/functions/get_attachment_fields_to_edit/) ` wp-admin/includes/media.php ` |  Retrieves the attachment fields to edit form fields.   
[ get_media_item() ](https://developer.wordpress.org/reference/functions/get_media_item/) ` wp-admin/includes/media.php ` |  Retrieves HTML form for modifying the image attachment.   
[ get_compat_media_markup() ](https://developer.wordpress.org/reference/functions/get_compat_media_markup/) ` wp-admin/includes/media.php ` |   
[ media_upload_form() ](https://developer.wordpress.org/reference/functions/media_upload_form/) ` wp-admin/includes/media.php ` |  Outputs the legacy media upload form.   
[ media_upload_form_handler() ](https://developer.wordpress.org/reference/functions/media_upload_form_handler/) ` wp-admin/includes/media.php ` |  Handles form submissions for the legacy media uploader.   
[ wp_media_upload_handler() ](https://developer.wordpress.org/reference/functions/wp_media_upload_handler/) ` wp-admin/includes/media.php ` |  Handles the process of uploading media.   
[ media_sideload_image() ](https://developer.wordpress.org/reference/functions/media_sideload_image/) ` wp-admin/includes/media.php ` |  Downloads an image from the specified URL, saves it as an attachment, and optionally attaches it to a post.   
[ image_size_input_fields() ](https://developer.wordpress.org/reference/functions/image_size_input_fields/) ` wp-admin/includes/media.php ` |  Retrieves HTML for the size radio buttons with the specified one checked.   
[ the_media_upload_tabs() ](https://developer.wordpress.org/reference/functions/the_media_upload_tabs/) ` wp-admin/includes/media.php ` |  Outputs the legacy media upload tabs UI.   
[ get_image_send_to_editor() ](https://developer.wordpress.org/reference/functions/get_image_send_to_editor/) ` wp-admin/includes/media.php ` |  Retrieves the image HTML to send to the editor.   
[ image_add_caption() ](https://developer.wordpress.org/reference/functions/image_add_caption/) ` wp-admin/includes/media.php ` |  Adds image shortcode with caption to editor.   
[ get_upload_iframe_src() ](https://developer.wordpress.org/reference/functions/get_upload_iframe_src/) ` wp-admin/includes/media.php ` |  Retrieves the upload iframe source URL.   
[ get_sample_permalink_html() ](https://developer.wordpress.org/reference/functions/get_sample_permalink_html/) ` wp-admin/includes/post.php ` |  Returns the HTML of the sample permalink slug editor.   
[ _wp_post_thumbnail_html() ](https://developer.wordpress.org/reference/functions/_wp_post_thumbnail_html/) ` wp-admin/includes/post.php ` |  Returns HTML for the post thumbnail meta box.   
[ wp_check_post_lock() ](https://developer.wordpress.org/reference/functions/wp_check_post_lock/) ` wp-admin/includes/post.php ` |  Determines whether the post is currently being edited by another user.   
[ _admin_notice_post_locked() ](https://developer.wordpress.org/reference/functions/_admin_notice_post_locked/) ` wp-admin/includes/post.php ` |  Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.   
[ media_upload_tabs() ](https://developer.wordpress.org/reference/functions/media_upload_tabs/) ` wp-admin/includes/media.php ` |  Defines the default media upload tabs.   
[ wp_edit_posts_query() ](https://developer.wordpress.org/reference/functions/wp_edit_posts_query/) ` wp-admin/includes/post.php ` |  Runs the query to fetch the posts for listing on the edit posts page.   
[ postbox_classes() ](https://developer.wordpress.org/reference/functions/postbox_classes/) ` wp-admin/includes/post.php ` |  Returns the list of classes to be used by a meta box.   
[ get_sample_permalink() ](https://developer.wordpress.org/reference/functions/get_sample_permalink/) ` wp-admin/includes/post.php ` |  Returns a sample permalink based on the post name.   
[ get_available_post_mime_types() ](https://developer.