Title: Functions | Page 45 of 49 | Developer.WordPress.org --- # Functions * function[permalink_anchor()](https://developer.wordpress.org/reference/functions/permalink_anchor/) * Displays the permalink anchor for the current post. * Used by [0 functions](https://developer.wordpress.org/reference/functions/permalink_anchor/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/permalink_anchor/#uses) | Source: [wp-includes/link-template.php:78](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/link-template.php#L78-L90) * function[permalink_link()](https://developer.wordpress.org/reference/functions/permalink_link/) * Print the permalink of the current post in the loop. * Used by [0 functions](https://developer.wordpress.org/reference/functions/permalink_link/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/permalink_link/#uses) | Source: [wp-includes/deprecated.php:864](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L864-L867) * function[permalink_single_rss()](https://developer.wordpress.org/reference/functions/permalink_single_rss/) * Print the permalink to the RSS feed. * Used by [0 functions](https://developer.wordpress.org/reference/functions/permalink_single_rss/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/permalink_single_rss/#uses) | Source: [wp-includes/deprecated.php:878](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L878-L881) * function[pingback()](https://developer.wordpress.org/reference/functions/pingback/) * Pings back the links found in a post. * Used by [1 function](https://developer.wordpress.org/reference/functions/pingback/#used-by) | Uses [12 functions](https://developer.wordpress.org/reference/functions/pingback/#uses) | Source: [wp-includes/comment.php:3176](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment.php#L3176-L3285) * function[pingback_ping_source_uri()](https://developer.wordpress.org/reference/functions/pingback_ping_source_uri/) * Default filter attached to pingback_ping_source_uri to validate the pingback’s Source URI. * Used by [0 functions](https://developer.wordpress.org/reference/functions/pingback_ping_source_uri/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/pingback_ping_source_uri/#uses) | Source: [wp-includes/comment.php:3379](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment.php#L3379-L3381) * function[pings_open()](https://developer.wordpress.org/reference/functions/pings_open/) * Determines whether the current post is open for pings. * Used by [6 functions](https://developer.wordpress.org/reference/functions/pings_open/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/pings_open/#uses) | Source: [wp-includes/comment-template.php:1340](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment-template.php#L1340-L1355) * function[plugins_api()](https://developer.wordpress.org/reference/functions/plugins_api/) * Retrieves plugin installer pages from the WordPress.org Plugins API. * Used by [8 functions](https://developer.wordpress.org/reference/functions/plugins_api/#used-by) | Uses [14 functions](https://developer.wordpress.org/reference/functions/plugins_api/#uses) | Source: [wp-admin/includes/plugin-install.php:100](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/plugin-install.php#L100-L231) * function[plugins_url()](https://developer.wordpress.org/reference/functions/plugins_url/) * Retrieves a URL within the plugins or mu-plugins directory. * Used by [6 functions](https://developer.wordpress.org/reference/functions/plugins_url/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/plugins_url/#uses) | Source: [wp-includes/link-template.php:3684](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/link-template.php#L3684-L3721) * function[plugin_basename()](https://developer.wordpress.org/reference/functions/plugin_basename/) * Gets the basename of a plugin. * Used by [20 functions](https://developer.wordpress.org/reference/functions/plugin_basename/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/plugin_basename/#uses) | Source: [wp-includes/plugin.php:775](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L775-L796) * function[plugin_dir_path()](https://developer.wordpress.org/reference/functions/plugin_dir_path/) * Get the filesystem directory path (with trailing slash) for the plugin __FILE__ passed in. * Used by [0 functions](https://developer.wordpress.org/reference/functions/plugin_dir_path/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/plugin_dir_path/#uses) | Source: [wp-includes/plugin.php:845](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L845-L847) * function[plugin_dir_url()](https://developer.wordpress.org/reference/functions/plugin_dir_url/) * Get the URL directory path (with trailing slash) for the plugin __FILE__ passed in. * Used by [0 functions](https://developer.wordpress.org/reference/functions/plugin_dir_url/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/plugin_dir_url/#uses) | Source: [wp-includes/plugin.php:857](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/plugin.php#L857-L859) * function[plugin_sandbox_scrape()](https://developer.wordpress.org/reference/functions/plugin_sandbox_scrape/) * Loads a given plugin attempt to generate errors. * Used by [2 functions](https://developer.wordpress.org/reference/functions/plugin_sandbox_scrape/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/plugin_sandbox_scrape/#uses) | Source: [wp-admin/includes/plugin.php:2375](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/plugin.php#L2375-L2382) * function[populate_network()](https://developer.wordpress.org/reference/functions/populate_network/) * Populate network settings. * Used by [0 functions](https://developer.wordpress.org/reference/functions/populate_network/#used-by) | Uses [19 functions](https://developer.wordpress.org/reference/functions/populate_network/#uses) | Source: [wp-admin/includes/schema.php:1005](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L1005-L1217) * function[populate_network_meta()](https://developer.wordpress.org/reference/functions/populate_network_meta/) * Creates WordPress network meta and sets the default values. * Used by [1 function](https://developer.wordpress.org/reference/functions/populate_network_meta/#used-by) | Uses [17 functions](https://developer.wordpress.org/reference/functions/populate_network_meta/#uses) | Source: [wp-admin/includes/schema.php:1230](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L1230-L1372) * function[populate_options()](https://developer.wordpress.org/reference/functions/populate_options/) * Create WordPress options and set the default values. * Used by [3 functions](https://developer.wordpress.org/reference/functions/populate_options/#used-by) | Uses [16 functions](https://developer.wordpress.org/reference/functions/populate_options/#uses) | Source: [wp-admin/includes/schema.php:362](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L362-L712) * function[populate_roles()](https://developer.wordpress.org/reference/functions/populate_roles/) * Execute WordPress role creation for the various WordPress versions. * Used by [3 functions](https://developer.wordpress.org/reference/functions/populate_roles/#used-by) | Uses [10 functions](https://developer.wordpress.org/reference/functions/populate_roles/#uses) | Source: [wp-admin/includes/schema.php:719](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L719-L743) * function[populate_roles_160()](https://developer.wordpress.org/reference/functions/populate_roles_160/) * Create the roles for WordPress 2.0 * Used by [1 function](https://developer.wordpress.org/reference/functions/populate_roles_160/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/populate_roles_160/#uses) | Source: [wp-admin/includes/schema.php:750](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L750-L835) * function[populate_roles_210()](https://developer.wordpress.org/reference/functions/populate_roles_210/) * Create and modify WordPress roles for WordPress 2.1. * Used by [1 function](https://developer.wordpress.org/reference/functions/populate_roles_210/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/populate_roles_210/#uses) | Source: [wp-admin/includes/schema.php:842](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L842-L883) * function[populate_roles_230()](https://developer.wordpress.org/reference/functions/populate_roles_230/) * Create and modify WordPress roles for WordPress 2.3. * Used by [1 function](https://developer.wordpress.org/reference/functions/populate_roles_230/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/populate_roles_230/#uses) | Source: [wp-admin/includes/schema.php:890](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L890-L896) * function[populate_roles_250()](https://developer.wordpress.org/reference/functions/populate_roles_250/) * Create and modify WordPress roles for WordPress 2.5. * Used by [1 function](https://developer.wordpress.org/reference/functions/populate_roles_250/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/populate_roles_250/#uses) | Source: [wp-admin/includes/schema.php:903](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L903-L909) * function[populate_roles_260()](https://developer.wordpress.org/reference/functions/populate_roles_260/) * Create and modify WordPress roles for WordPress 2.6. * Used by [1 function](https://developer.wordpress.org/reference/functions/populate_roles_260/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/populate_roles_260/#uses) | Source: [wp-admin/includes/schema.php:916](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L916-L923) * function[populate_roles_270()](https://developer.wordpress.org/reference/functions/populate_roles_270/) * Create and modify WordPress roles for WordPress 2.7. * Used by [1 function](https://developer.wordpress.org/reference/functions/populate_roles_270/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/populate_roles_270/#uses) | Source: [wp-admin/includes/schema.php:930](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L930-L937) * function[populate_roles_280()](https://developer.wordpress.org/reference/functions/populate_roles_280/) * Create and modify WordPress roles for WordPress 2.8. * Used by [1 function](https://developer.wordpress.org/reference/functions/populate_roles_280/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/populate_roles_280/#uses) | Source: [wp-admin/includes/schema.php:944](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L944-L950) * function[populate_roles_300()](https://developer.wordpress.org/reference/functions/populate_roles_300/) * Create and modify WordPress roles for WordPress 3.0. * Used by [1 function](https://developer.wordpress.org/reference/functions/populate_roles_300/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/populate_roles_300/#uses) | Source: [wp-admin/includes/schema.php:957](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L957-L969) * function[populate_site_meta()](https://developer.wordpress.org/reference/functions/populate_site_meta/) * Creates WordPress site meta and sets the default values. * Used by [1 function](https://developer.wordpress.org/reference/functions/populate_site_meta/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/populate_site_meta/#uses) | Source: [wp-admin/includes/schema.php:1384](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/schema.php#L1384-L1422) * function[popuplinks()](https://developer.wordpress.org/reference/functions/popuplinks/) * Adds element attributes to open links in new tabs. * Used by [0 functions](https://developer.wordpress.org/reference/functions/popuplinks/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/popuplinks/#uses) | Source: [wp-includes/deprecated.php:3791](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L3791-L3795) * function[postbox_classes()](https://developer.wordpress.org/reference/functions/postbox_classes/) * Returns the list of classes to be used by a meta box. * Used by [2 functions](https://developer.wordpress.org/reference/functions/postbox_classes/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/postbox_classes/#uses) | Source: [wp-admin/includes/post.php:1420](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/post.php#L1420-L1447) * function[posts_nav_link()](https://developer.wordpress.org/reference/functions/posts_nav_link/) * Displays the post pages link navigation for previous and next pages. * Used by [0 functions](https://developer.wordpress.org/reference/functions/posts_nav_link/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/posts_nav_link/#uses) | Source: [wp-includes/link-template.php:2765](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/link-template.php#L2765-L2768) * function[post_author_meta_box()](https://developer.wordpress.org/reference/functions/post_author_meta_box/) * Displays form field with list of authors. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_author_meta_box/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/post_author_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:958](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L958-L979) * function[post_categories_meta_box()](https://developer.wordpress.org/reference/functions/post_categories_meta_box/) * Displays post categories form fields. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_categories_meta_box/#used-by) | Uses [11 functions](https://developer.wordpress.org/reference/functions/post_categories_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:635](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L635-L736) [Previous Page](https://developer.wordpress.org/reference/functions/page/44/?output_format=md) 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