Title: Functions | Page 46 of 49 | Developer.WordPress.org --- # Functions * function[post_class()](https://developer.wordpress.org/reference/functions/post_class/) * Displays the classes for the post container element. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_class/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/post_class/#uses) | Source: [wp-includes/post-template.php:465](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post-template.php#L465-L468) * function[post_comments_feed_link()](https://developer.wordpress.org/reference/functions/post_comments_feed_link/) * Displays the comment feed link for a post. * Used by [1 function](https://developer.wordpress.org/reference/functions/post_comments_feed_link/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/post_comments_feed_link/#uses) | Source: [wp-includes/link-template.php:837](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/link-template.php#L837-L855) * function[post_comment_meta_box()](https://developer.wordpress.org/reference/functions/post_comment_meta_box/) * Displays comments for post. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_comment_meta_box/#used-by) | Uses [9 functions](https://developer.wordpress.org/reference/functions/post_comment_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:895](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L895-L927) * function[post_comment_meta_box_thead()](https://developer.wordpress.org/reference/functions/post_comment_meta_box_thead/) * Displays comments for post table header * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_comment_meta_box_thead/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/post_comment_meta_box_thead/#uses) | Source: [wp-admin/includes/meta-boxes.php:883](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L883-L886) * function[post_comment_status_meta_box()](https://developer.wordpress.org/reference/functions/post_comment_status_meta_box/) * Displays comments status form fields. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_comment_status_meta_box/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/post_comment_status_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:847](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L847-L873) * function[post_custom()](https://developer.wordpress.org/reference/functions/post_custom/) * Retrieves post custom meta data field. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_custom/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/post_custom/#uses) | Source: [wp-includes/post-template.php:1109](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post-template.php#L1109-L1119) * function[post_custom_meta_box()](https://developer.wordpress.org/reference/functions/post_custom_meta_box/) * Displays custom fields form fields. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_custom_meta_box/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/post_custom_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:813](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L813-L838) * function[post_excerpt_meta_box()](https://developer.wordpress.org/reference/functions/post_excerpt_meta_box/) * Displays post excerpt form fields. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_excerpt_meta_box/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/post_excerpt_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:745](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L745-L763) * function[post_exists()](https://developer.wordpress.org/reference/functions/post_exists/) * Determines if a post exists based on title, content, date and type. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_exists/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/post_exists/#uses) | Source: [wp-admin/includes/post.php:858](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/post.php#L858-L900) * function[post_format_meta_box()](https://developer.wordpress.org/reference/functions/post_format_meta_box/) * Displays post format form elements. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_format_meta_box/#used-by) | Uses [9 functions](https://developer.wordpress.org/reference/functions/post_format_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:518](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L518-L549) * function[post_form_autocomplete_off()](https://developer.wordpress.org/reference/functions/post_form_autocomplete_off/) * Disables autocomplete on the ‘post’ form (Add/Edit Post screens) for WebKit browsers, as they disregard the autocomplete setting on the editor textarea. That can break the editor when the user navigates to it with the browser’s Back button. See # 28037 * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_form_autocomplete_off/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/post_form_autocomplete_off/#uses) | Source: [wp-admin/includes/deprecated.php:1496](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/deprecated.php#L1496-L1504) * function[post_password_required()](https://developer.wordpress.org/reference/functions/post_password_required/) * Determines whether the post requires password and whether a correct password has been provided. * Used by [20 functions](https://developer.wordpress.org/reference/functions/post_password_required/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/post_password_required/#uses) | Source: [wp-includes/post-template.php:882](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post-template.php#L882-L915) * function[post_permalink()](https://developer.wordpress.org/reference/functions/post_permalink/) * Retrieve permalink from post ID. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_permalink/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/post_permalink/#uses) | Source: [wp-includes/deprecated.php:3656](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L3656-L3660) * function[post_preview()](https://developer.wordpress.org/reference/functions/post_preview/) * Saves a draft or manually autosaves for the purpose of showing a post preview. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_preview/#used-by) | Uses [12 functions](https://developer.wordpress.org/reference/functions/post_preview/#uses) | Source: [wp-admin/includes/post.php:2079](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/post.php#L2079-L2130) * function[post_reply_link()](https://developer.wordpress.org/reference/functions/post_reply_link/) * Displays the HTML content for reply to post link. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_reply_link/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/post_reply_link/#uses) | Source: [wp-includes/comment-template.php:1979](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/comment-template.php#L1979-L1981) * function[post_revisions_meta_box()](https://developer.wordpress.org/reference/functions/post_revisions_meta_box/) * Displays list of revisions. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_revisions_meta_box/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/post_revisions_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:988](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L988-L990) * function[post_slug_meta_box()](https://developer.wordpress.org/reference/functions/post_slug_meta_box/) * Displays slug form fields. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_slug_meta_box/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/post_slug_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:936](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L936-L947) * function[post_submit_meta_box()](https://developer.wordpress.org/reference/functions/post_submit_meta_box/) * Displays post submit form fields. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_submit_meta_box/#used-by) | Uses [28 functions](https://developer.wordpress.org/reference/functions/post_submit_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:30](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L30-L411) * function[post_tags_meta_box()](https://developer.wordpress.org/reference/functions/post_tags_meta_box/) * Displays post tags form fields. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_tags_meta_box/#used-by) | Uses [8 functions](https://developer.wordpress.org/reference/functions/post_tags_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:572](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L572-L612) * function[post_thumbnail_meta_box()](https://developer.wordpress.org/reference/functions/post_thumbnail_meta_box/) * Displays post thumbnail meta box. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_thumbnail_meta_box/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/post_thumbnail_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:1492](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L1492-L1495) * function[post_trackback_meta_box()](https://developer.wordpress.org/reference/functions/post_trackback_meta_box/) * Displays trackback links form fields. * Used by [0 functions](https://developer.wordpress.org/reference/functions/post_trackback_meta_box/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/post_trackback_meta_box/#uses) | Source: [wp-admin/includes/meta-boxes.php:772](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/meta-boxes.php#L772-L804) * function[post_type_archive_title()](https://developer.wordpress.org/reference/functions/post_type_archive_title/) * Displays or retrieves title for a post type archive. * Used by [3 functions](https://developer.wordpress.org/reference/functions/post_type_archive_title/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/post_type_archive_title/#uses) | Source: [wp-includes/general-template.php:1529](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/general-template.php#L1529-L1556) * function[post_type_exists()](https://developer.wordpress.org/reference/functions/post_type_exists/) * Determines whether a post type is registered. * Used by [12 functions](https://developer.wordpress.org/reference/functions/post_type_exists/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/post_type_exists/#uses) | Source: [wp-includes/post.php:1584](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post.php#L1584-L1586) * function[post_type_supports()](https://developer.wordpress.org/reference/functions/post_type_supports/) * Checks a post type’s support for a given feature. * Used by [40 functions](https://developer.wordpress.org/reference/functions/post_type_supports/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/post_type_supports/#uses) | Source: [wp-includes/post.php:2342](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post.php#L2342-L2346) * function[prepend_attachment()](https://developer.wordpress.org/reference/functions/prepend_attachment/) * Wraps attachment in paragraph tag before content. * Used by [1 function](https://developer.wordpress.org/reference/functions/prepend_attachment/#used-by) | Uses [11 functions](https://developer.wordpress.org/reference/functions/prepend_attachment/#uses) | Source: [wp-includes/post-template.php:1726](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post-template.php#L1726-L1765) * function[prep_atom_text_construct()](https://developer.wordpress.org/reference/functions/prep_atom_text_construct/) * Determines the type of a string of data with the data formatted. * Used by [0 functions](https://developer.wordpress.org/reference/functions/prep_atom_text_construct/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/prep_atom_text_construct/#uses) | Source: [wp-includes/feed.php:588](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/feed.php#L588-L623) * function[preview_theme()](https://developer.wordpress.org/reference/functions/preview_theme/) * Start preview theme output buffer. * Used by [0 functions](https://developer.wordpress.org/reference/functions/preview_theme/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/preview_theme/#uses) | Source: [wp-includes/deprecated.php:3509](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L3509-L3511) * function[preview_theme_ob_filter()](https://developer.wordpress.org/reference/functions/preview_theme_ob_filter/) * Callback function for ob_start() to capture all links in the theme. * Used by [0 functions](https://developer.wordpress.org/reference/functions/preview_theme_ob_filter/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/preview_theme_ob_filter/#uses) | Source: [wp-includes/deprecated.php:3551](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L3551-L3554) * function[preview_theme_ob_filter_callback()](https://developer.wordpress.org/reference/functions/preview_theme_ob_filter_callback/) * Manipulates preview theme links in order to control and maintain location. * Used by [0 functions](https://developer.wordpress.org/reference/functions/preview_theme_ob_filter_callback/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/preview_theme_ob_filter_callback/#uses) | Source: [wp-includes/deprecated.php:3568](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L3568-L3571) * function[previous_comments_link()](https://developer.wordpress.org/reference/functions/previous_comments_link/) * Displays the link to the previous comments page. * Used by [0 functions](https://developer.wordpress.org/reference/functions/previous_comments_link/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/previous_comments_link/#uses) | Source: [wp-includes/link-template.php:3244](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/link-template.php#L3244-L3246) [Previous Page](https://developer.wordpress.org/reference/functions/page/45/?output_format=md) [1](https://developer.wordpress.org/reference/functions/?output_format=md) … [44](https://developer.wordpress.org/reference/functions/page/44/?output_format=md) [45](https://developer.wordpress.org/reference/functions/page/45/?output_format=md) 46 [47](https://developer.wordpress.org/reference/functions/page/47/?output_format=md) 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