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wp-includes/rest-api/endpoints/class-wp-rest-menu-items-controller.php:
WP_REST_Menu_Items_Controller::get_item_schema()
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Retrieves the term’s schema, conforming to JSON Schema.
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wp-includes/script-loader.php:
wp_default_packages_inline_scripts()
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Adds inline scripts required for the WordPress JavaScript packages.
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wp-includes/user.php:
_wp_privacy_send_request_confirmation_notification()
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Notifies the site administrator via email when a request is confirmed.
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wp-includes/user.php:
_wp_privacy_send_erasure_fulfillment_notification()
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Notifies the user when their erasure request is fulfilled.
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wp-includes/user.php:
wp_send_user_request()
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Send a confirmation request email to confirm an action.
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wp-admin/includes/privacy-tools.php:
wp_privacy_send_personal_data_export_email()
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Send an email to the user with a link to the personal data export file
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wp-includes/class-wp-customize-manager.php:
WP_Customize_Manager::_sanitize_external_header_video()
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Callback for sanitizing the external_header_video value.
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wp-includes/rest-api.php:
rest_sanitize_value_from_schema()
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Sanitize a value based on a schema.
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wp-includes/class-wp-customize-manager.php:
WP_Customize_Manager::_sanitize_background_setting()
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Callback for validating a background setting value.
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wp-includes/class-wp-customize-manager.php:
WP_Customize_Manager::_validate_external_header_video()
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Callback for validating the external_header_video value.
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wp-includes/theme.php:
get_header_video_url()
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Retrieves header video URL for custom header.
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wp-includes/rest-api.php:
rest_send_cors_headers()
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Sends Cross-Origin Resource Sharing headers with API requests.
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wp-includes/rest-api.php:
rest_output_link_header()
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Sends a Link header for the REST API.
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wp-includes/embed.php:
get_post_embed_url()
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Retrieves the URL to embed a specific post in an iframe.
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wp-includes/class-wp-customize-manager.php:
WP_Customize_Manager::set_return_url()
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Sets URL to link the user to when closing the Customizer.
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wp-includes/class-wp-customize-manager.php:
WP_Customize_Manager::customize_pane_settings()
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Prints JavaScript settings for parent window.
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wp-includes/class-wp-customize-manager.php:
WP_Customize_Manager::set_preview_url()
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Sets the initial URL to be previewed.
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wp-includes/rest-api/class-wp-rest-server.php:
WP_REST_Server::serve_request()
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Handles serving a REST API request.
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wp-includes/customize/class-wp-customize-nav-menu-item-setting.php:
WP_Customize_Nav_Menu_Item_Setting::sanitize()
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Sanitize an input.
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wp-includes/theme.php:
get_editor_stylesheets()
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Retrieves any registered editor stylesheet URLs.
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wp-login.php:
login_footer()
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Outputs the footer for the login page.
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wp-admin/includes/theme.php:
wp_prepare_themes_for_js()
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Prepares themes for JavaScript.
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wp-admin/includes/export.php:
export_wp()
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Generates the WXR export file for download.
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wp-admin/includes/user.php:
edit_user()
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Edit user settings based on contents of $_POST
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wp-admin/includes/media.php:
wp_media_upload_handler()
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Handles the process of uploading media.
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wp-admin/includes/post.php:
edit_post()
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Updates an existing post with values provided in $_POST.
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wp-admin/includes/ajax-actions.php:
wp_ajax_send_link_to_editor()
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Ajax handler for sending a link to the editor.
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wp-admin/includes/ajax-actions.php:
_wp_ajax_delete_comment_response()
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Sends back current comment total and new page links if they need to be updated.
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wp-admin/includes/class-custom-image-header.php:
Custom_Image_Header::set_header_image()
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Choose a header image, selected from existing uploaded and default headers, or provide an array of uploaded header data (either new, or from media library).
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wp-admin/includes/class-custom-background.php:
Custom_Background::wp_set_background_image()
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wp-admin/includes/class-custom-background.php:
Custom_Background::handle_upload()
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Handle an Image upload for the background image.
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wp-includes/class-wp-customize-manager.php:
WP_Customize_Manager::customize_preview_settings()
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Prints JavaScript settings for preview frame.
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wp-includes/theme.php:
_custom_background_cb()
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Default custom background callback.
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wp-includes/theme.php:
get_header_image()
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Retrieves header image for custom header.
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wp-includes/theme.php:
get_uploaded_header_images()
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Gets the header images uploaded for the active theme.
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wp-includes/formatting.php:
get_url_in_content()
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Extracts and returns the first URL from passed content.
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wp-includes/formatting.php:
sanitize_option()
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Sanitizes various option values based on the nature of the option.
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wp-includes/general-template.php:
get_the_generator()
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Creates the generator XML or Comment for RSS, ATOM, etc.
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wp-includes/formatting.php:
sanitize_url()
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Performs esc_url() for database or redirect usage.
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wp-includes/class-wp-theme.php:
WP_Theme::sanitize_header()
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Sanitizes a theme header.
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wp-includes/widgets.php:
wp_widget_rss_process()
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Process RSS feed widget data and optionally retrieve feed items.
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wp-includes/link-template.php:
get_pagenum_link()
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Retrieves the link for a page number.
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wp-includes/update.php:
wp_update_plugins()
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Checks for available updates to plugins based on the latest versions hosted on WordPress.org.
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wp-includes/ms-deprecated.php:
get_blogaddress_by_domain()
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Get a full blog URL, given a domain and a path.
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wp-includes/nav-menu.php:
wp_update_nav_menu_item()
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Saves the properties of a menu item or create a new one.
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wp-includes/script-loader.php:
wp_default_scripts()
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Registers all WordPress scripts.
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Right and Wrong usage
<!-- Right --> $url = 'http://wordpress.org'; $response = wp_remote_get( esc_url_raw( $url ) ); // no need to escape entities if ( ! is_wp_error( $response ) ) { echo wp_remote_retrieve_body( $response ); }