Title: 4.1.0 | Developer.WordPress.org --- # New and updated in 4.1.0 Functions Hooks Classes Methods * function[_wp_render_title_tag()](https://developer.wordpress.org/reference/functions/_wp_render_title_tag/) * Displays title tag with content. * Used by [0 functions](https://developer.wordpress.org/reference/functions/_wp_render_title_tag/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/_wp_render_title_tag/#uses) | Source: [wp-includes/general-template.php:1306](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/general-template.php#L1306-L1312) * method[WP_Customize_Media_Control::content_template()](https://developer.wordpress.org/reference/classes/wp_customize_media_control/content_template/) * Render a JS template for the content of the media control. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_media_control/content_template/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_media_control/content_template/#uses) | Source: [wp-includes/customize/class-wp-customize-media-control.php:140](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/customize/class-wp-customize-media-control.php#L140-L209) * method[WP_Customize_Media_Control::__construct()](https://developer.wordpress.org/reference/classes/wp_customize_media_control/__construct/) * Constructor. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_customize_media_control/__construct/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_customize_media_control/__construct/#uses) | Source: [wp-includes/customize/class-wp-customize-media-control.php:56](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/customize/class-wp-customize-media-control.php#L56-L60) * function[wp_clean_update_cache()](https://developer.wordpress.org/reference/functions/wp_clean_update_cache/) * Clears existing update caches for plugins, themes, and core. * Used by [2 functions](https://developer.wordpress.org/reference/functions/wp_clean_update_cache/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/wp_clean_update_cache/#uses) | Source: [wp-includes/update.php:1108](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/update.php#L1108-L1118) * method[WP_Query::setup_postdata()](https://developer.wordpress.org/reference/classes/wp_query/setup_postdata/) * Sets up global post data. * Used by [3 functions](https://developer.wordpress.org/reference/classes/wp_query/setup_postdata/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_query/setup_postdata/#uses) | Source: [wp-includes/class-wp-query.php:4830](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-query.php#L4830-L4868) * method[WP_Meta_Query::get_sql_for_clause()](https://developer.wordpress.org/reference/classes/wp_meta_query/get_sql_for_clause/) * Generates SQL JOIN and WHERE clauses for a first-order query clause. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_meta_query/get_sql_for_clause/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/classes/wp_meta_query/get_sql_for_clause/#uses) | Source: [wp-includes/class-wp-meta-query.php:533](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-meta-query.php#L533-L794) * method[WP_Meta_Query::find_compatible_table_alias()](https://developer.wordpress.org/reference/classes/wp_meta_query/find_compatible_table_alias/) * Identifies an existing table alias that is compatible with the current query clause. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_meta_query/find_compatible_table_alias/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_meta_query/find_compatible_table_alias/#uses) | Source: [wp-includes/class-wp-meta-query.php:830](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-meta-query.php#L830-L874) * hook[meta_query_find_compatible_table_alias](https://developer.wordpress.org/reference/hooks/meta_query_find_compatible_table_alias/) * Filters the table alias identified as compatible with the current clause. * Used by [1 function](https://developer.wordpress.org/reference/hooks/meta_query_find_compatible_table_alias/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/meta_query_find_compatible_table_alias/#uses) | Source: [wp-includes/class-wp-meta-query.php:873](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-meta-query.php#L873-L873) * method[WP_Meta_Query::get_sql_clauses()](https://developer.wordpress.org/reference/classes/wp_meta_query/get_sql_clauses/) * Generates SQL clauses to be appended to a main query. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_meta_query/get_sql_clauses/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_meta_query/get_sql_clauses/#uses) | Source: [wp-includes/class-wp-meta-query.php:413](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-meta-query.php#L413-L426) * method[WP_Meta_Query::get_sql_for_query()](https://developer.wordpress.org/reference/classes/wp_meta_query/get_sql_for_query/) * Generates SQL clauses for a single query array. * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_meta_query/get_sql_for_query/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_meta_query/get_sql_for_query/#uses) | Source: [wp-includes/class-wp-meta-query.php:446](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-meta-query.php#L446-L510) * method[WP_Meta_Query::sanitize_query()](https://developer.wordpress.org/reference/classes/wp_meta_query/sanitize_query/) * Ensures the ‘meta_query’ argument passed to the class constructor is well-formed. * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_meta_query/sanitize_query/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_meta_query/sanitize_query/#uses) | Source: [wp-includes/class-wp-meta-query.php:192](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-meta-query.php#L192-L247) * method[WP_Meta_Query::is_first_order_clause()](https://developer.wordpress.org/reference/classes/wp_meta_query/is_first_order_clause/) * Determines whether a query clause is first-order. * Used by [3 functions](https://developer.wordpress.org/reference/classes/wp_meta_query/is_first_order_clause/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_meta_query/is_first_order_clause/#uses) | Source: [wp-includes/class-wp-meta-query.php:260](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-meta-query.php#L260-L262) * method[WP_Customize_Manager::register_control_type()](https://developer.wordpress.org/reference/classes/wp_customize_manager/register_control_type/) * Registers a customize control type. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_customize_manager/register_control_type/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_manager/register_control_type/#uses) | Source: [wp-includes/class-wp-customize-manager.php:4124](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-manager.php#L4124-L4126) * method[WP_Customize_Manager::render_control_templates()](https://developer.wordpress.org/reference/classes/wp_customize_manager/render_control_templates/) * Renders JS templates for all registered control types. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_manager/render_control_templates/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/classes/wp_customize_manager/render_control_templates/#uses) | Source: [wp-includes/class-wp-customize-manager.php:4133](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-manager.php#L4133-L4413) * method[WP_Customize_Background_Image_Control::enqueue()](https://developer.wordpress.org/reference/classes/wp_customize_background_image_control/enqueue/) * Enqueue control related scripts/styles. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_background_image_control/enqueue/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_customize_background_image_control/enqueue/#uses) | Source: [wp-includes/customize/class-wp-customize-background-image-control.php:51](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/customize/class-wp-customize-background-image-control.php#L51-L65) * method[WP_Customize_Color_Control::content_template()](https://developer.wordpress.org/reference/classes/wp_customize_color_control/content_template/) * Render a JS template for the content of the color picker control. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_color_control/content_template/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_color_control/content_template/#uses) | Source: [wp-includes/customize/class-wp-customize-color-control.php:93](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/customize/class-wp-customize-color-control.php#L93-L125) * method[WP_Customize_Control::print_template()](https://developer.wordpress.org/reference/classes/wp_customize_control/print_template/) * Renders the control’s JS template. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_control/print_template/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_customize_control/print_template/#uses) | Source: [wp-includes/class-wp-customize-control.php:692](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-control.php#L692-L698) * method[WP_Customize_Control::content_template()](https://developer.wordpress.org/reference/classes/wp_customize_control/content_template/) * An Underscore (JS) template for this control’s content (but not its container). * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_customize_control/content_template/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_control/content_template/#uses) | Source: [wp-includes/class-wp-customize-control.php:710](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-control.php#L710-L710) * method[WP_Customize_Control::json()](https://developer.wordpress.org/reference/classes/wp_customize_control/json/) * Gets the data to export to the client via JSON. * Used by [4 functions](https://developer.wordpress.org/reference/classes/wp_customize_control/json/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_customize_control/json/#uses) | Source: [wp-includes/class-wp-customize-control.php:341](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-control.php#L341-L344) * method[WP_Customize_Control::get_content()](https://developer.wordpress.org/reference/classes/wp_customize_control/get_content/) * Gets the control’s content for insertion into the Customizer pane. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_customize_control/get_content/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_customize_control/get_content/#uses) | Source: [wp-includes/class-wp-customize-control.php:384](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-control.php#L384-L388) * hook[customize_preview_{$this->type}](https://developer.wordpress.org/reference/hooks/customize_preview_this-type/) * Fires when the WP_Customize_Setting::preview() method is called for settings not handled as theme_mods or options. * Used by [1 function](https://developer.wordpress.org/reference/hooks/customize_preview_this-type/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/customize_preview_this-type/#uses) | Source: [wp-includes/class-wp-customize-setting.php:417](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-setting.php#L417-L417) * method[WP_Customize_Panel::render_content()](https://developer.wordpress.org/reference/classes/wp_customize_panel/render_content/) * Render the panel UI in a subclass. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_panel/render_content/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_panel/render_content/#uses) | Source: [wp-includes/class-wp-customize-panel.php:318](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-panel.php#L318-L318) * hook[customize_panel_active](https://developer.wordpress.org/reference/hooks/customize_panel_active/) * Filters response of WP_Customize_Panel::active(). * Used by [1 function](https://developer.wordpress.org/reference/hooks/customize_panel_active/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/customize_panel_active/#uses) | Source: [wp-includes/class-wp-customize-panel.php:200](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-panel.php#L200-L200) * method[WP_Customize_Panel::active_callback()](https://developer.wordpress.org/reference/classes/wp_customize_panel/active_callback/) * Default callback used when invoking WP_Customize_Panel::active(). * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_panel/active_callback/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_panel/active_callback/#uses) | Source: [wp-includes/class-wp-customize-panel.php:215](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-panel.php#L215-L217) * method[WP_Customize_Panel::json()](https://developer.wordpress.org/reference/classes/wp_customize_panel/json/) * Gather the parameters passed to client JavaScript via JSON. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_customize_panel/json/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/classes/wp_customize_panel/json/#uses) | Source: [wp-includes/class-wp-customize-panel.php:226](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-panel.php#L226-L234) * method[WP_Customize_Panel::get_content()](https://developer.wordpress.org/reference/classes/wp_customize_panel/get_content/) * Get the panel’s content template for insertion into the Customizer pane. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_customize_panel/get_content/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_customize_panel/get_content/#uses) | Source: [wp-includes/class-wp-customize-panel.php:264](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-panel.php#L264-L268) * method[WP_Customize_Panel::active()](https://developer.wordpress.org/reference/classes/wp_customize_panel/active/) * Check whether panel is active to current Customizer preview. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_customize_panel/active/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_customize_panel/active/#uses) | Source: [wp-includes/class-wp-customize-panel.php:188](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-panel.php#L188-L203) * hook[script_loader_tag](https://developer.wordpress.org/reference/hooks/script_loader_tag/) * Filters the HTML script tag of an enqueued script. * Used by [1 function](https://developer.wordpress.org/reference/hooks/script_loader_tag/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/script_loader_tag/#uses) | Source: [wp-includes/class-wp-scripts.php:468](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-scripts.php#L468-L468) * hook[comment_reply_link_args](https://developer.wordpress.org/reference/hooks/comment_reply_link_args/) * Filters the comment reply link arguments. * Used by [1 function](https://developer.wordpress.org/reference/hooks/comment_reply_link_args/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/comment_reply_link_args/#uses) | Source: [wp-includes/comment-template.php:1811](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/comment-template.php#L1811-L1811) * method[WP_Tax_Query::get_sql_for_clause()](https://developer.wordpress.org/reference/classes/wp_tax_query/get_sql_for_clause/) * Generates SQL JOIN and WHERE clauses for a “first-order” query clause. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_tax_query/get_sql_for_clause/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/classes/wp_tax_query/get_sql_for_clause/#uses) | Source: [wp-includes/class-wp-tax-query.php:384](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-tax-query.php#L384-L484) 1 [2](https://developer.wordpress.org/reference/since/4.1.0/page/2/?output_format=md) [3](https://developer.wordpress.org/reference/since/4.1.0/page/3/?output_format=md) [4](https://developer.wordpress.org/reference/since/4.1.0/page/4/?output_format=md) [Next Page](https://developer.wordpress.org/reference/since/4.1.0/page/2/?output_format=md)