Title: Functions | Page 7 of 49 | Developer.WordPress.org --- # Functions * function[comment_date()](https://developer.wordpress.org/reference/functions/comment_date/) * Displays the comment date of the current comment. * Used by [0 functions](https://developer.wordpress.org/reference/functions/comment_date/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/comment_date/#uses) | Source: [wp-includes/comment-template.php:642](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment-template.php#L642-L644) * function[comment_excerpt()](https://developer.wordpress.org/reference/functions/comment_excerpt/) * Displays the excerpt of the current comment. * Used by [1 function](https://developer.wordpress.org/reference/functions/comment_excerpt/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/comment_excerpt/#uses) | Source: [wp-includes/comment-template.php:703](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment-template.php#L703-L718) * function[comment_exists()](https://developer.wordpress.org/reference/functions/comment_exists/) * Determines if a comment exists based on author and date. * Used by [0 functions](https://developer.wordpress.org/reference/functions/comment_exists/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/comment_exists/#uses) | Source: [wp-admin/includes/comment.php:26](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/comment.php#L26-L42) * function[comment_footer_die()](https://developer.wordpress.org/reference/functions/comment_footer_die/) * Displays error message at bottom of comments. * Used by [0 functions](https://developer.wordpress.org/reference/functions/comment_footer_die/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/comment_footer_die/#uses) | Source: [wp-admin/includes/comment.php:218](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/comment.php#L218-L222) * function[comment_form()](https://developer.wordpress.org/reference/functions/comment_form/) * Outputs a complete commenting form for use within a template. * Used by [0 functions](https://developer.wordpress.org/reference/functions/comment_form/#used-by) | Uses [25 functions](https://developer.wordpress.org/reference/functions/comment_form/#uses) | Source: [wp-includes/comment-template.php:2495](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment-template.php#L2495-L2913) * function[comment_form_title()](https://developer.wordpress.org/reference/functions/comment_form_title/) * Displays text based on comment reply status. * Used by [1 function](https://developer.wordpress.org/reference/functions/comment_form_title/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/comment_form_title/#uses) | Source: [wp-includes/comment-template.php:2113](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment-template.php#L2113-L2152) * function[comment_guid()](https://developer.wordpress.org/reference/functions/comment_guid/) * Displays the feed GUID for the current comment. * Used by [0 functions](https://developer.wordpress.org/reference/functions/comment_guid/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/comment_guid/#uses) | Source: [wp-includes/feed.php:279](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/feed.php#L279-L281) * function[comment_ID()](https://developer.wordpress.org/reference/functions/comment_id/) * Displays the comment ID of the current comment. * Used by [3 functions](https://developer.wordpress.org/reference/functions/comment_id/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/comment_id/#uses) | Source: [wp-includes/comment-template.php:749](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment-template.php#L749-L751) * function[comment_id_fields()](https://developer.wordpress.org/reference/functions/comment_id_fields/) * Outputs hidden input HTML for replying to comments. * Used by [0 functions](https://developer.wordpress.org/reference/functions/comment_id_fields/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/comment_id_fields/#uses) | Source: [wp-includes/comment-template.php:2086](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment-template.php#L2086-L2088) * function[comment_link()](https://developer.wordpress.org/reference/functions/comment_link/) * Displays the link to the comments. * Used by [0 functions](https://developer.wordpress.org/reference/functions/comment_link/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/comment_link/#uses) | Source: [wp-includes/feed.php:309](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/feed.php#L309-L320) * function[comment_reply_link()](https://developer.wordpress.org/reference/functions/comment_reply_link/) * Displays the HTML content for reply to comment link. * Used by [2 functions](https://developer.wordpress.org/reference/functions/comment_reply_link/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/comment_reply_link/#uses) | Source: [wp-includes/comment-template.php:1888](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment-template.php#L1888-L1890) * function[comment_text()](https://developer.wordpress.org/reference/functions/comment_text/) * Displays the text of the current comment. * Used by [3 functions](https://developer.wordpress.org/reference/functions/comment_text/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/comment_text/#uses) | Source: [wp-includes/comment-template.php:1074](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment-template.php#L1074-L1091) * function[comment_text_rss()](https://developer.wordpress.org/reference/functions/comment_text_rss/) * Displays the current comment content for use in the feeds. * Used by [0 functions](https://developer.wordpress.org/reference/functions/comment_text_rss/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/comment_text_rss/#uses) | Source: [wp-includes/feed.php:356](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/feed.php#L356-L367) * function[comment_time()](https://developer.wordpress.org/reference/functions/comment_time/) * Displays the comment time of the current comment. * Used by [0 functions](https://developer.wordpress.org/reference/functions/comment_time/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/comment_time/#uses) | Source: [wp-includes/comment-template.php:1144](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment-template.php#L1144-L1146) * function[comment_type()](https://developer.wordpress.org/reference/functions/comment_type/) * Displays the comment type of the current comment. * Used by [0 functions](https://developer.wordpress.org/reference/functions/comment_type/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/comment_type/#uses) | Source: [wp-includes/comment-template.php:1187](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment-template.php#L1187-L1208) * function[compression_test()](https://developer.wordpress.org/reference/functions/compression_test/) * Tests support for compressing JavaScript from PHP. * Used by [0 functions](https://developer.wordpress.org/reference/functions/compression_test/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/compression_test/#uses) | Source: [wp-admin/includes/template.php:2501](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/template.php#L2501-L2553) * function[confirm_another_blog_signup()](https://developer.wordpress.org/reference/functions/confirm_another_blog_signup/) * Shows a message confirming that the new site has been created. * Used by [1 function](https://developer.wordpress.org/reference/functions/confirm_another_blog_signup/#used-by) | Uses [8 functions](https://developer.wordpress.org/reference/functions/confirm_another_blog_signup/#uses) | Source: [wp-signup.php:533](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-signup.php#L533-L580) * function[confirm_blog_signup()](https://developer.wordpress.org/reference/functions/confirm_blog_signup/) * Shows a message confirming that the new site has been registered and is awaiting activation. * Used by [1 function](https://developer.wordpress.org/reference/functions/confirm_blog_signup/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/confirm_blog_signup/#uses) | Source: [wp-signup.php:863](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-signup.php#L863-L895) * function[confirm_delete_users()](https://developer.wordpress.org/reference/functions/confirm_delete_users/) * Used by [0 functions](https://developer.wordpress.org/reference/functions/confirm_delete_users/#used-by) | Uses [16 functions](https://developer.wordpress.org/reference/functions/confirm_delete_users/#uses) | Source: [wp-admin/includes/ms.php:858](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/ms.php#L858-L1000) * function[confirm_user_signup()](https://developer.wordpress.org/reference/functions/confirm_user_signup/) * Shows a message confirming that the new user has been registered and is awaiting activation. * Used by [1 function](https://developer.wordpress.org/reference/functions/confirm_user_signup/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/confirm_user_signup/#uses) | Source: [wp-signup.php:706](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-signup.php#L706-L725) * function[content_url()](https://developer.wordpress.org/reference/functions/content_url/) * Retrieves the URL to the content directory. * Used by [4 functions](https://developer.wordpress.org/reference/functions/content_url/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/content_url/#uses) | Source: [wp-includes/link-template.php:3651](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/link-template.php#L3651-L3668) * function[convert_chars()](https://developer.wordpress.org/reference/functions/convert_chars/) * Converts lone & characters into `&` (a.k.a. `&`) * Used by [4 functions](https://developer.wordpress.org/reference/functions/convert_chars/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/convert_chars/#uses) | Source: [wp-includes/formatting.php:2491](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/formatting.php#L2491-L2501) * function[convert_invalid_entities()](https://developer.wordpress.org/reference/functions/convert_invalid_entities/) * Converts invalid Unicode references range to valid range. * Used by [0 functions](https://developer.wordpress.org/reference/functions/convert_invalid_entities/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/convert_invalid_entities/#uses) | Source: [wp-includes/formatting.php:2511](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/formatting.php#L2511-L2552) * function[convert_smilies()](https://developer.wordpress.org/reference/functions/convert_smilies/) * Converts text equivalent of smilies to images. * Used by [1 function](https://developer.wordpress.org/reference/functions/convert_smilies/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/convert_smilies/#uses) | Source: [wp-includes/formatting.php:3483](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/formatting.php#L3483-L3529) * function[convert_to_screen()](https://developer.wordpress.org/reference/functions/convert_to_screen/) * Converts a screen string to a screen object. * Used by [12 functions](https://developer.wordpress.org/reference/functions/convert_to_screen/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/convert_to_screen/#uses) | Source: [wp-admin/includes/template.php:2696](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/template.php#L2696-L2716) * function[copy_dir()](https://developer.wordpress.org/reference/functions/copy_dir/) * Copies a directory from one location to another via the WordPress Filesystem Abstraction. * Used by [4 functions](https://developer.wordpress.org/reference/functions/copy_dir/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/copy_dir/#uses) | Source: [wp-admin/includes/file.php:2011](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/file.php#L2011-L2072) * function[core_auto_updates_settings()](https://developer.wordpress.org/reference/functions/core_auto_updates_settings/) * Display WordPress auto-updates settings. * Used by [0 functions](https://developer.wordpress.org/reference/functions/core_auto_updates_settings/#used-by) | Uses [13 functions](https://developer.wordpress.org/reference/functions/core_auto_updates_settings/#uses) | Source: [wp-admin/update-core.php:306](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/update-core.php#L306-L455) * function[core_update_footer()](https://developer.wordpress.org/reference/functions/core_update_footer/) * Returns core update footer message. * Used by [0 functions](https://developer.wordpress.org/reference/functions/core_update_footer/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/core_update_footer/#uses) | Source: [wp-admin/includes/update.php:247](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/update.php#L247-L292) * function[core_upgrade_preamble()](https://developer.wordpress.org/reference/functions/core_upgrade_preamble/) * Display upgrade WordPress for downloading latest or upgrading automatically form. * Used by [0 functions](https://developer.wordpress.org/reference/functions/core_upgrade_preamble/#used-by) | Uses [8 functions](https://developer.wordpress.org/reference/functions/core_upgrade_preamble/#uses) | Source: [wp-admin/update-core.php:245](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/update-core.php#L245-L299) * function[count_many_users_posts()](https://developer.wordpress.org/reference/functions/count_many_users_posts/) * Gets the number of posts written by a list of users. * Used by [1 function](https://developer.wordpress.org/reference/functions/count_many_users_posts/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/count_many_users_posts/#uses) | Source: [wp-includes/user.php:661](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/user.php#L661-L713) [Previous Page](https://developer.wordpress.org/reference/functions/page/6/?output_format=md) [1](https://developer.wordpress.org/reference/functions/?output_format=md) … [5](https://developer.wordpress.org/reference/functions/page/5/?output_format=md) [6](https://developer.wordpress.org/reference/functions/page/6/?output_format=md) 7 [8](https://developer.wordpress.org/reference/functions/page/8/?output_format=md) 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