_copy_image_file() – Copy an existing image file.
_crop_image_resource() – Crops an image resource. Internal use only.
_doing_it_wrong() – Mark something as being incorrectly called.
_flip_image_resource() – Flips an image resource. Internal use only.
_get_non_cached_ids() – Retrieve IDs that are not already present in the cache.
_get_widget_id_base() – Retrieves the widget ID base value.
_image_get_preview_ratio() – Image preview ratio. Internal use only.
_insert_into_post_button() – This was once used to display an ‘Insert into Post’ button.
_ipad_meta() –
_is_valid_nav_menu_item() – Return if a menu item is valid.
_load_image_to_edit_path() – Retrieve the path or url of an attachment’s attached file.
_load_textdomain_just_in_time() – Loads plugin and theme textdomains just-in-time.
_nav_menu_item_id_use_once() – Prevents a menu item ID from being used more than once.
_remove_qs_args_if_not_in_url() – Removes arguments from a query string if they are not present in a URL DO NOT use this in plugin code.
_rotate_image_resource() – Returns an image resource. Internal use only.
_sort_nav_menu_items() – Sort menu items by the desired key.
_usort_terms_by_ID() – Sort categories by ID.
_wp_admin_bar_init() – Instantiate the admin bar object and set it up as a global for access elsewhere.
_wp_customize_include() – Includes and instantiates the WP_Customize_Manager class.
_wp_die_process_input() – Processes arguments passed to {@see wp_die()} consistently for its handlers.
_wp_get_image_size_from_meta() – Get the image size as array from its meta data.
_wp_image_editor_choose() – Tests which editors are capable of supporting the request.
_wp_iso_convert() – Helper function to convert hex encoded chars to ASCII
_wp_menu_item_classes_by_context() – Add the class property classes for the current context, if applicable.
_wp_sanitize_utf8_in_redirect() – URL encode UTF-8 characters in a URL.
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
. $editor_id_attr . ); // Prepare the content for the Visual or Text editor, only when TinyMCE is used (back-compat). if ( self::$this_tinymce ) { add_filter( , , 10, 2 ); } /** * Filters the default editor content. * * @since 2.1.0 * * @param string $content Default editor content. * @param string $default_editor The default editor for the current user. * Either or . */ $content = apply_filters( , $content, $default_editor ); // Remove the filter as the next editor on the same page may not need it. if ( self::$this_tinymce ) { remove_filter( , ); } // Back-compat for the `htmledit_pre` and `richedit_pre` filters if ( === $default_editor && has_filter( ) ) { // TODO: needs _deprecated_filter(), use _deprecated_function() as substitute for now _deprecated_function( – filter
$adjacent_image_link – filter
$type_upload_iframe_src – filter
add_clean_index() – Adds an index to a specified table.
add_custom_image_header() – Add callbacks for image header display.
add_image_size() – Register a new image size.
add_inline_data – action
adjacent_image_link() – Displays next or previous image link that has the same post parent.
admin_bar_init – action
admin_init – action
admin_print_scripts-index.php – action
allow_subdirectory_install – filter
allow_subdirectory_install() – Allow subdirectory installation.
allow_subdomain_install() – Allow subdomain installation
async_upload_image – filter
atom_site_icon() – Displays Site Icon in atom feeds.
AtomParser::is_declared_content_ns() –
attach_session_information – filter
attachment_icon – filter
attachment_id3_data_meta_box() – Display fields for ID3 data
attachment_innerHTML – filter
automatic_updates_is_vcs_checkout – filter
background_image() – Display background image path.
cat_is_ancestor_of() – Check if a category is an ancestor of another category.
check_import_new_users() – Checks if the current user has permissions to import new users.
check_is_user_spammed – filter
comment_author_IP() – Display the IP address of the author of the current comment.
comment_form_logged_in – filter
comment_form_logged_in_after – action
comment_form_must_log_in_after – action
comment_id_fields – filter
comment_id_fields() – Output hidden input HTML for replying to comments.
comment_id_not_found – action
comment_ID() – Display the comment id of the current comment.
commentrss2_item – action
convert_invalid_entities() – Converts invalid Unicode references range to valid range.
create_initial_post_types() – Creates the initial post types when ‘init’ action is fired.
create_initial_rest_routes() – Registers default REST API routes.
create_initial_taxonomies() – Creates the initial taxonomies.
current_theme_info() – Retrieves information on the current active theme.
Custom_Background::init() – Set up the hooks for the Custom Background admin page.
Custom_Image_Header
Custom_Image_Header::__construct() – Constructor – Register administration header callback.
Custom_Image_Header::admin_page() – Display the page based on the current step.
Custom_Image_Header::ajax_header_add() – Given an attachment ID for a header image, updates its "last used" timestamp to now.
Custom_Image_Header::ajax_header_crop() – Gets attachment uploaded by Media Manager, crops it, then saves it as a new object. Returns JSON-encoded object details.
Custom_Image_Header::ajax_header_remove() – Given an attachment ID for a header image, unsets it as a user-uploaded header image for the current theme.
Custom_Image_Header::attachment_fields_to_edit() – Unused since 3.5.0.
Custom_Image_Header::create_attachment_object() – Create an attachment ‘object’.
Custom_Image_Header::css_includes() – Set up the enqueue for the CSS files
Custom_Image_Header::customize_set_last_used() – Updates the last-used postmeta on a header image attachment after saving a new header image via the Customizer.
Custom_Image_Header::filter_upload_tabs() – Unused since 3.5.0.
Custom_Image_Header::finished() – Display last step of custom header image page.
Custom_Image_Header::get_default_header_images() – Gets the details of default header images if defined.
Custom_Image_Header::get_header_dimensions() – Calculate width and height based on what the currently selected theme supports.
Custom_Image_Header::get_previous_crop() – Get the ID of a previous crop from the same base image.
Custom_Image_Header::get_uploaded_header_images() – Gets the previously uploaded header images.
Custom_Image_Header::help() – Adds contextual help.
Custom_Image_Header::init() – Set up the hooks for the Custom Header admin page.
Custom_Image_Header::insert_attachment() – Insert an attachment and its metadata.
Custom_Image_Header::js_1() – Display JavaScript based on Step 1 and 3.
Custom_Image_Header::js_2() – Display JavaScript based on Step 2.
Custom_Image_Header::js_includes() – Set up the enqueue for the JavaScript files.
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