| wp-includes/theme.php: validate_theme_requirements() | Validates the theme requirements for WordPress version and PHP version. |
| wp-includes/class-wp-recovery-mode-email-service.php: WP_Recovery_Mode_Email_Service::get_debug() | Return debug information in an easy to manipulate format. |
| wp-includes/class-wp-recovery-mode-email-service.php: WP_Recovery_Mode_Email_Service::get_cause() | Gets the description indicating the possible cause for the error. |
| wp-admin/includes/class-wp-debug-data.php: WP_Debug_Data::debug_data() | Static function for generating site debug data when required. |
| wp-admin/includes/class-wp-site-health.php: WP_Site_Health::get_test_theme_version() | Test if themes are outdated, or unnecessary. |
| wp-admin/includes/schema.php: populate_network_meta() | Creates WordPress network meta and sets the default values. |
| wp-includes/rest-api/endpoints/class-wp-rest-themes-controller.php: WP_REST_Themes_Controller::get_items() | Retrieves a collection of themes. |
| wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::check_template() | Check whether the template is valid for the given post. |
| wp-admin/includes/file.php: wp_edit_theme_plugin_file() | Attempts to edit a file for a theme or plugin. |
| wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::handle_template() | Sets the template for a post. |
| wp-admin/includes/ajax-actions.php: wp_ajax_install_theme() | Ajax handler for installing a theme. |
| wp-admin/includes/ajax-actions.php: wp_ajax_update_theme() | Ajax handler for updating a theme. |
| wp-admin/includes/ajax-actions.php: wp_ajax_delete_theme() | Ajax handler for deleting a theme. |
| wp-includes/class-wp-theme.php: WP_Theme::get_core_default_theme() | Determines the latest WordPress default theme that is installed. |
| wp-admin/includes/class-wp-automatic-updater.php: WP_Automatic_Updater::update() | Update an item, if appropriate. |
| wp-admin/includes/class-language-pack-upgrader.php: Language_Pack_Upgrader::get_name_for_update() | Get the name of an item being updated. |
| wp-admin/includes/class-theme-upgrader.php: Theme_Upgrader::theme_info() | Get the WP_Theme object for a theme. |
| wp-admin/includes/theme.php: wp_prepare_themes_for_js() | Prepare themes for JavaScript. |
| wp-admin/includes/theme.php: get_page_templates() | Gets the page templates available in this theme. |
| wp-admin/includes/deprecated.php: current_theme_info() | Retrieves information on the current active theme. |
| wp-admin/includes/class-wp-theme-install-list-table.php: WP_Theme_Install_List_Table::_get_theme_status() | Check to see if the theme is already installed. |
| wp-admin/includes/schema.php: populate_options() | Create WordPress options and set the default values. |
| wp-admin/includes/update.php: update_right_now_message() | Displays WordPress version and active theme in the ‘At a Glance’ dashboard widget. |
| wp-admin/includes/update.php: get_theme_updates() | |
| wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::theme() | Get the theme being customized. |
| wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::__construct() | Constructor. |
| wp-includes/theme.php: check_theme_switched() | Checks if a theme has been changed and runs ‘after_switch_theme’ hook on the next WP load. |
| wp-includes/theme.php: remove_theme_mods() | Removes theme modifications option for current theme. |
| wp-includes/theme.php: switch_theme() | Switches the theme. |
| wp-includes/theme.php: validate_current_theme() | Checks that the current theme has ‘index.php’ and ‘style.css’ files. |
| wp-includes/theme.php: get_theme_mods() | Retrieves all theme modifications. |
| wp-includes/deprecated.php: get_current_theme() | Retrieve current theme name. |
| wp-includes/post.php: wp_insert_post() | Insert or update a post. |