Title: Functions | Page 44 of 49 | Developer.WordPress.org --- # Functions * function[next_comments_link()](https://developer.wordpress.org/reference/functions/next_comments_link/) * Displays the link to the next comments page. * Used by [0 functions](https://developer.wordpress.org/reference/functions/next_comments_link/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/next_comments_link/#uses) | Source: [wp-includes/link-template.php:3187](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/link-template.php#L3187-L3189) * function[next_image_link()](https://developer.wordpress.org/reference/functions/next_image_link/) * Displays next image link that has the same post parent. * Used by [0 functions](https://developer.wordpress.org/reference/functions/next_image_link/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/next_image_link/#uses) | Source: [wp-includes/media.php:3921](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/media.php#L3921-L3923) * function[next_post()](https://developer.wordpress.org/reference/functions/next_post/) * Prints link to the next post. * Used by [0 functions](https://developer.wordpress.org/reference/functions/next_post/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/next_post/#uses) | Source: [wp-includes/deprecated.php:174](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L174-L194) * function[next_posts()](https://developer.wordpress.org/reference/functions/next_posts/) * Displays or retrieves the next posts page link. * Used by [1 function](https://developer.wordpress.org/reference/functions/next_posts/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/next_posts/#uses) | Source: [wp-includes/link-template.php:2544](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/link-template.php#L2544-L2553) * function[next_posts_link()](https://developer.wordpress.org/reference/functions/next_posts_link/) * Displays the next posts page link. * Used by [0 functions](https://developer.wordpress.org/reference/functions/next_posts_link/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/next_posts_link/#uses) | Source: [wp-includes/link-template.php:2611](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/link-template.php#L2611-L2613) * function[next_post_link()](https://developer.wordpress.org/reference/functions/next_post_link/) * Displays the next post link that is adjacent to the current post. * Used by [0 functions](https://developer.wordpress.org/reference/functions/next_post_link/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/next_post_link/#uses) | Source: [wp-includes/link-template.php:2322](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/link-template.php#L2322-L2324) * function[next_post_rel_link()](https://developer.wordpress.org/reference/functions/next_post_rel_link/) * Displays the relational link for the next post adjacent to the current post. * Used by [0 functions](https://developer.wordpress.org/reference/functions/next_post_rel_link/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/next_post_rel_link/#uses) | Source: [wp-includes/link-template.php:2162](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/link-template.php#L2162-L2164) * function[next_widget_id_number()](https://developer.wordpress.org/reference/functions/next_widget_id_number/) * Used by [3 functions](https://developer.wordpress.org/reference/functions/next_widget_id_number/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/next_widget_id_number/#uses) | Source: [wp-admin/includes/widgets.php:162](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/widgets.php#L162-L174) * function[nocache_headers()](https://developer.wordpress.org/reference/functions/nocache_headers/) * Sets the HTTP headers to prevent caching for the different browsers. * Used by [11 functions](https://developer.wordpress.org/reference/functions/nocache_headers/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/nocache_headers/#uses) | Source: [wp-includes/functions.php:1538](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L1538-L1552) * function[noindex()](https://developer.wordpress.org/reference/functions/noindex/) * Displays a `noindex` meta tag if required by the blog configuration. * Used by [0 functions](https://developer.wordpress.org/reference/functions/noindex/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/noindex/#uses) | Source: [wp-includes/deprecated.php:4160](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4160-L4167) * function[normalize_whitespace()](https://developer.wordpress.org/reference/functions/normalize_whitespace/) * Normalizes EOL characters and strips duplicate whitespace. * Used by [4 functions](https://developer.wordpress.org/reference/functions/normalize_whitespace/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/normalize_whitespace/#uses) | Source: [wp-includes/formatting.php:5505](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/formatting.php#L5505-L5510) * function[number_format_i18n()](https://developer.wordpress.org/reference/functions/number_format_i18n/) * Converts float number to format based on the locale. * Used by [55 functions](https://developer.wordpress.org/reference/functions/number_format_i18n/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/number_format_i18n/#uses) | Source: [wp-includes/functions.php:424](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L424-L444) * function[options_discussion_add_js()](https://developer.wordpress.org/reference/functions/options_discussion_add_js/) * Output JavaScript to toggle display of additional settings if avatars are disabled. * Used by [0 functions](https://developer.wordpress.org/reference/functions/options_discussion_add_js/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/options_discussion_add_js/#uses) | Source: [wp-admin/includes/options.php:15](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/options.php#L15-L27) * function[options_general_add_js()](https://developer.wordpress.org/reference/functions/options_general_add_js/) * Display JavaScript on the page. * Used by [0 functions](https://developer.wordpress.org/reference/functions/options_general_add_js/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/options_general_add_js/#uses) | Source: [wp-admin/includes/options.php:34](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/options.php#L34-L106) * function[options_permalink_add_js()](https://developer.wordpress.org/reference/functions/options_permalink_add_js/) * Display JavaScript on the page. * Used by [0 functions](https://developer.wordpress.org/reference/functions/options_permalink_add_js/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/options_permalink_add_js/#uses) | Source: [wp-admin/includes/deprecated.php:1512](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/deprecated.php#L1512-L1527) * function[options_reading_add_js()](https://developer.wordpress.org/reference/functions/options_reading_add_js/) * Display JavaScript on the page. * Used by [0 functions](https://developer.wordpress.org/reference/functions/options_reading_add_js/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/options_reading_add_js/#uses) | Source: [wp-admin/includes/options.php:113](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/options.php#L113-L128) * function[options_reading_blog_charset()](https://developer.wordpress.org/reference/functions/options_reading_blog_charset/) * Render the site charset setting. * Used by [0 functions](https://developer.wordpress.org/reference/functions/options_reading_blog_charset/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/options_reading_blog_charset/#uses) | Source: [wp-admin/includes/options.php:135](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/options.php#L135-L138) * function[option_update_filter()](https://developer.wordpress.org/reference/functions/option_update_filter/) * Refreshes the value of the allowed options list available via the ‘allowed_options’ hook. * Used by [0 functions](https://developer.wordpress.org/reference/functions/option_update_filter/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/option_update_filter/#uses) | Source: [wp-admin/includes/plugin.php:2262](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/plugin.php#L2262-L2270) * function[page_attributes_meta_box()](https://developer.wordpress.org/reference/functions/page_attributes_meta_box/) * Displays page attributes form fields. * Used by [0 functions](https://developer.wordpress.org/reference/functions/page_attributes_meta_box/#used-by) | Uses [13 functions](https://developer.wordpress.org/reference/functions/page_attributes_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:1003](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L1003-L1087) * function[page_template_dropdown()](https://developer.wordpress.org/reference/functions/page_template_dropdown/) * Prints out option HTML elements for the page templates drop-down. * Used by [2 functions](https://developer.wordpress.org/reference/functions/page_template_dropdown/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/page_template_dropdown/#uses) | Source: [wp-admin/includes/template.php:909](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/template.php#L909-L918) * function[paginate_comments_links()](https://developer.wordpress.org/reference/functions/paginate_comments_links/) * Displays or retrieves pagination links for the comments on the current post. * Used by [1 function](https://developer.wordpress.org/reference/functions/paginate_comments_links/#used-by) | Uses [10 functions](https://developer.wordpress.org/reference/functions/paginate_comments_links/#uses) | Source: [wp-includes/link-template.php:3262](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/link-template.php#L3262-L3295) * function[paginate_links()](https://developer.wordpress.org/reference/functions/paginate_links/) * Retrieves paginated links for archive post pages. * Used by [6 functions](https://developer.wordpress.org/reference/functions/paginate_links/#used-by) | Uses [16 functions](https://developer.wordpress.org/reference/functions/paginate_links/#uses) | Source: [wp-includes/general-template.php:4665](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/general-template.php#L4665-L4859) * function[parent_dropdown()](https://developer.wordpress.org/reference/functions/parent_dropdown/) * Prints out option HTML elements for the page parents drop-down. * Used by [1 function](https://developer.wordpress.org/reference/functions/parent_dropdown/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/parent_dropdown/#uses) | Source: [wp-admin/includes/template.php:934](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/template.php#L934-L964) * function[parent_post_rel_link()](https://developer.wordpress.org/reference/functions/parent_post_rel_link/) * Display relational link for parent item * Used by [0 functions](https://developer.wordpress.org/reference/functions/parent_post_rel_link/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/parent_post_rel_link/#uses) | Source: [wp-includes/deprecated.php:2804](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L2804-L2808) * function[parse_blocks()](https://developer.wordpress.org/reference/functions/parse_blocks/) * Parses blocks out of a content string. * Used by [16 functions](https://developer.wordpress.org/reference/functions/parse_blocks/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/parse_blocks/#uses) | Source: [wp-includes/blocks.php:2474](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/blocks.php#L2474-L2486) * function[parse_w3cdtf()](https://developer.wordpress.org/reference/functions/parse_w3cdtf/) * Used by [0 functions](https://developer.wordpress.org/reference/functions/parse_w3cdtf/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/parse_w3cdtf/#uses) | Source: [wp-includes/rss.php:843](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/rss.php#L843-L883) * function[path_is_absolute()](https://developer.wordpress.org/reference/functions/path_is_absolute/) * Tests if a given filesystem path is absolute. * Used by [1 function](https://developer.wordpress.org/reference/functions/path_is_absolute/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/path_is_absolute/#uses) | Source: [wp-includes/functions.php:2120](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L2120-L2148) * function[path_join()](https://developer.wordpress.org/reference/functions/path_join/) * Joins two filesystem paths together. * Used by [9 functions](https://developer.wordpress.org/reference/functions/path_join/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/path_join/#uses) | Source: [wp-includes/functions.php:2162](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L2162-L2168) * function[paused_plugins_notice()](https://developer.wordpress.org/reference/functions/paused_plugins_notice/) * Renders an admin notice in case some plugins have been paused due to errors. * Used by [0 functions](https://developer.wordpress.org/reference/functions/paused_plugins_notice/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/functions/paused_plugins_notice/#uses) | Source: [wp-admin/includes/plugin.php:2555](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/plugin.php#L2555-L2579) * function[paused_themes_notice()](https://developer.wordpress.org/reference/functions/paused_themes_notice/) * Renders an admin notice in case some themes have been paused due to errors. * Used by [0 functions](https://developer.wordpress.org/reference/functions/paused_themes_notice/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/functions/paused_themes_notice/#uses) | Source: [wp-admin/includes/theme.php:1225](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/theme.php#L1225-L1252) [Previous Page](https://developer.wordpress.org/reference/functions/page/43/?output_format=md) [1](https://developer.wordpress.org/reference/functions/?output_format=md) … 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