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Editing: author-template.php
<?php /** * Author Template functions for use in themes. * * These functions must be used within the WordPress Loop. * * @link https://codex.wordpress.org/Author_Templates * * @package WordPress * @subpackage Template */ /** * Retrieves the author of the current post. * * @since 1.5.0 * @since 6.3.0 Returns an empty string if the author's display name is unknown. * * @global WP_User $authordata The current author's data. * * @param string $deprecated Deprecated. * @return string The author's display name, empty string if unknown. */ function get_the_author( $deprecated = '' ) { global $authordata; if ( ! empty( $deprecated ) ) { _deprecated_argument( __FUNCTION__, '2.1.0' ); } /** * Filters the display name of the current post's author. * * @since 2.9.0 * * @param string $display_name The author's display name. */ return apply_filters( 'the_author', is_object( $authordata ) ? $authordata->display_name : '' ); } /** * Displays the name of the author of the current post. * * The behavior of this function is based off of old functionality predating * get_the_author(). This function is not deprecated, but is designed to echo * the value from get_the_author() and as an result of any old theme that might * still use the old behavior will also pass the value from get_the_author(). * * The normal, expected behavior of this function is to echo the author and not * return it. However, backward compatibility has to be maintained. * * @since 0.71 * * @see get_the_author() * @link https://developer.wordpress.org/reference/functions/the_author/ * * @param string $deprecated Deprecated. * @param bool $deprecated_echo Deprecated. Use get_the_author(). Echo the string or return it. * @return string The author's display name, from get_the_author(). */ function the_author( $deprecated = '', $deprecated_echo = true ) { if ( ! empty( $deprecated ) ) { _deprecated_argument( __FUNCTION__, '2.1.0' ); } if ( true !== $deprecated_echo ) { _deprecated_argument( __FUNCTION__, '1.5.0', sprintf( /* translators: %s: get_the_author() */ __( 'Use %s instead if you do not want the value echoed.' ), '<code>get_the_author()</code>' ) ); } if ( $deprecated_echo ) { echo get_the_author(); } return get_the_author(); } /** * Retrieves the author who last edited the current post. * * @since 2.8.0 * @since 6.9.0 Added the `$post` parameter. Unknown return value is now explicitly null instead of void. * * @param int|WP_Post|null $post Optional. Post ID or post object. Default is global `$post` object. * @return string|null The author's display name. Empty string if user is unavailable. Null if there was no last editor or the post is invalid. */ function get_the_modified_author( $post = null ) { $post = get_post( $post ); if ( ! $post ) { return null; } $last_id = get_post_meta( $post->ID, '_edit_last', true ); if ( ! $last_id ) { return null; } $last_user = get_userdata( $last_id ); /** * Filters the display name of the author who last edited the current post. * * @since 2.8.0 * * @param string $display_name The author's display name, empty string if user is unavailable. */ return apply_filters( 'the_modified_author', $last_user ? $last_user->display_name : '' ); } /** * Displays the name of the author who last edited the current post, * if the author's ID is available. * * @since 2.8.0 * * @see get_the_author() */ function the_modified_author() { echo get_the_modified_author(); } /** * Retrieves the requested data of the author of the current post. * * Valid values for the `$field` parameter include: * * - admin_color * - comment_shortcuts * - description * - display_name * - first_name * - ID * - last_name * - nickname * - plugins_last_view * - plugins_per_page * - rich_editing * - syntax_highlighting * - user_activation_key * - user_description * - user_email * - user_firstname * - user_lastname * - user_level * - user_login * - user_nicename * - user_pass * - user_registered * - user_status * - user_url * * @since 2.8.0 * @since 6.9.0 Removed `aim`, `jabber`, and `yim` as valid values for the `$field` parameter. * * @global WP_User $authordata The current author's data. * * @param string $field Optional. The user field to retrieve. Default empty. * @param int|false $user_id Optional. User ID. Defaults to the current post author. * @return string The author's field from the current author's DB object, otherwise an empty string. */ function get_the_author_meta( $field = '', $user_id = false ) { $original_user_id = $user_id; if ( ! $user_id ) { global $authordata; $user_id = $authordata->ID ?? 0; } else { $authordata = get_userdata( $user_id ); } if ( in_array( $field, array( 'login', 'pass', 'nicename', 'email', 'url', 'registered', 'activation_key', 'status' ), true ) ) { $field = 'user_' . $field; } $value = $authordata->$field ?? ''; /** * Filters the value of the requested user metadata. * * The filter name is dynamic and depends on the $field parameter of the function. * * @since 2.8.0 * @since 4.3.0 The `$original_user_id` parameter was added. * * @param string $value The value of the metadata. * @param int $user_id The user ID for the value. * @param int|false $original_user_id The original user ID, as passed to the function. */ return apply_filters( "get_the_author_{$field}", $value, $user_id, $original_user_id ); } /** * Outputs the field from the user's DB object. Defaults to current post's author. * * @since 2.8.0 * * @param string $field Selects the field of the users record. See get_the_author_meta() * for the list of possible fields. * @param int|false $user_id Optional. User ID. Defaults to the current post author. * * @see get_the_author_meta() */ function the_author_meta( $field = '', $user_id = false ) { $author_meta = get_the_author_meta( $field, $user_id ); /** * Filters the value of the requested user metadata. * * The filter name is dynamic and depends on the $field parameter of the function. * * @since 2.8.0 * * @param string $author_meta The value of the metadata. * @param int|false $user_id The user ID. */ echo apply_filters( "the_author_{$field}", $author_meta, $user_id ); } /** * Retrieves either author's link or author's name. * * If the author has a home page set, return an HTML link, otherwise just return * the author's name. * * @since 3.0.0 * @since 7.0.0 Added `$use_title_attr` parameter. * * @global WP_User $authordata The current author's data. * * @param bool $use_title_attr Optional. Whether to add a title attribute. * Default true. * @return string An HTML link if the author's URL exists in user meta, * otherwise the result of get_the_author(). */ function get_the_author_link( $use_title_attr = true ) { if ( get_the_author_meta( 'url' ) ) { global $authordata; $author_url = get_the_author_meta( 'url' ); $author_display_name = get_the_author(); /* translators: %s: Author's display name. */ $author_title = sprintf( __( 'Visit %s’s website' ), $author_display_name ); $link = sprintf( '<a href="%1$s"%2$s rel="author external">%3$s</a>', esc_url( $author_url ), $use_title_attr ? ' title="' . esc_attr( $author_title ) . '"' : '', $author_display_name ); /** * Filters the author URL link HTML. * * @since 6.0.0 * * @param string $link The default rendered author HTML link. * @param string $author_url Author's URL. * @param WP_User $authordata Author user data. */ return apply_filters( 'the_author_link', $link, $author_url, $authordata ); } else { return get_the_author(); } } /** * Displays either author's link or author's name. * * If the author has a home page set, echo an HTML link, otherwise just echo the * author's name. * * @link https://developer.wordpress.org/reference/functions/the_author_link/ * * @since 2.1.0 * @since 7.0.0 Added `$use_title_attr` parameter. * * @param bool $use_title_attr Optional. Whether to add a title attribute. * Default true. */ function the_author_link( $use_title_attr = true ) { echo get_the_author_link( $use_title_attr ); } /** * Retrieves the number of posts by the author of the current post. * * @since 1.5.0 * * @return int The number of posts by the author. */ function get_the_author_posts() { $post = get_post(); if ( ! $post ) { return 0; } return (int) count_user_posts( $post->post_author, $post->post_type ); } /** * Displays the number of posts by the author of the current post. * * @link https://developer.wordpress.org/reference/functions/the_author_posts/ * @since 0.71 */ function the_author_posts() { echo get_the_author_posts(); } /** * Retrieves an HTML link to the author page of the current post's author. * * Returns an HTML-formatted link using get_author_posts_url(). * * @since 4.4.0 * @since 7.0.0 Removed title attribute. * * @global WP_User $authordata The current author's data. * * @return string An HTML link to the author page, or an empty string if $authordata is not set. */ function get_the_author_posts_link() { global $authordata; if ( ! is_object( $authordata ) ) { return ''; } $author = get_the_author(); /* translators: %s: Author's display name. */ $title = sprintf( __( 'Posts by %s' ), $author ); $link = sprintf( '<a href="%1$s" rel="author">%2$s</a>', esc_url( get_author_posts_url( $authordata->ID, $authordata->user_nicename ) ), $author ); /** * Filters the link to the author page of the author of the current post. * * @since 2.9.0 * @since 7.0.0 Added `$author` and `$title` parameters. * * @param string $link HTML link. * @param string $author Author's display name. * @param string $title Text originally used for a title attribute. */ return apply_filters( 'the_author_posts_link', $link, $author, $title ); } /** * Displays an HTML link to the author page of the current post's author. * * @since 1.2.0 * @since 4.4.0 Converted into a wrapper for get_the_author_posts_link() * * @param string $deprecated Unused. */ function the_author_posts_link( $deprecated = '' ) { if ( ! empty( $deprecated ) ) { _deprecated_argument( __FUNCTION__, '2.1.0' ); } echo get_the_author_posts_link(); } /** * Retrieves the URL to the author page for the user with the ID provided. * * @since 2.1.0 * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * * @param int $author_id Author ID. * @param string $author_nicename Optional. The author's nicename (slug). Default empty. * @return string The URL to the author's page. */ function get_author_posts_url( $author_id, $author_nicename = '' ) { global $wp_rewrite; $author_id = (int) $author_id; $link = $wp_rewrite->get_author_permastruct(); if ( empty( $link ) ) { $file = home_url( '/' ); $link = $file . '?author=' . $author_id; } else { if ( '' === $author_nicename ) { $user = get_userdata( $author_id ); if ( ! empty( $user->user_nicename ) ) { $author_nicename = $user->user_nicename; } } $link = str_replace( '%author%', $author_nicename, $link ); $link = home_url( user_trailingslashit( $link ) ); } /** * Filters the URL to the author's page. * * @since 2.1.0 * * @param string $link The URL to the author's page. * @param int $author_id The author's ID. * @param string $author_nicename The author's nice name. */ $link = apply_filters( 'author_link', $link, $author_id, $author_nicename ); return $link; } /** * Lists all the authors of the site, with several options available. * * @link https://developer.wordpress.org/reference/functions/wp_list_authors/ * * @since 1.2.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string|array $args { * Optional. Array or string of default arguments. * * @type string $orderby How to sort the authors. Accepts 'nicename', 'email', 'url', 'registered', * 'user_nicename', 'user_email', 'user_url', 'user_registered', 'name', * 'display_name', 'post_count', 'ID', 'meta_value', 'user_login'. Default 'name'. * @type string $order Sorting direction for $orderby. Accepts 'ASC', 'DESC'. Default 'ASC'. * @type int $number Maximum authors to return or display. Default empty (all authors). * @type bool $optioncount Show the count in parenthesis next to the author's name. Default false. * @type bool $exclude_admin Whether to exclude the 'admin' account, if it exists. Default true. * @type bool $show_fullname Whether to show the author's full name. Default false. * @type bool $hide_empty Whether to hide any authors with no posts. Default true. * @type string $feed If not empty, show a link to the author's feed and use this text as the alt * parameter of the link. Default empty. * @type string $feed_image If not empty, show a link to the author's feed and use this image URL as * clickable anchor. Default empty. * @type string $feed_type The feed type to link to. Possible values include 'rss2', 'atom'. * Default is the value of get_default_feed(). * @type bool $echo Whether to output the result or instead return it. Default true. * @type string $style If 'list', each author is wrapped in an `<li>` element, otherwise the authors * will be separated by commas. * @type bool $html Whether to list the items in HTML form or plaintext. Default true. * @type int[]|string $exclude Array or comma/space-separated list of author IDs to exclude. Default empty. * @type int[]|string $include Array or comma/space-separated list of author IDs to include. Default empty. * } * @return void|string Void if 'echo' argument is true, list of authors if 'echo' is false. */ function wp_list_authors( $args = '' ) { global $wpdb; $defaults = array( 'orderby' => 'name', 'order' => 'ASC', 'number' => '', 'optioncount' => false, 'exclude_admin' => true, 'show_fullname' => false, 'hide_empty' => true, 'feed' => '', 'feed_image' => '', 'feed_type' => '', 'echo' => true, 'style' => 'list', 'html' => true, 'exclude' => '', 'include' => '', ); $parsed_args = wp_parse_args( $args, $defaults ); $return = ''; $query_args = wp_array_slice_assoc( $parsed_args, array( 'orderby', 'order', 'number', 'exclude', 'include' ) ); $query_args['fields'] = 'ids'; /** * Filters the query arguments for the list of all authors of the site. * * @since 6.1.0 * * @param array $query_args The query arguments for get_users(). * @param array $parsed_args The arguments passed to wp_list_authors() combined with the defaults. */ $query_args = apply_filters( 'wp_list_authors_args', $query_args, $parsed_args ); $authors = get_users( $query_args ); /** * Filters whether to short-circuit performing the query for author post counts. * * @since 6.1.0 * * @param int[]|false $post_counts Array of post counts, keyed by author ID. * @param array $parsed_args The arguments passed to wp_list_authors() combined with the defaults. */ $post_counts = apply_filters( 'pre_wp_list_authors_post_counts_query', false, $parsed_args ); if ( ! is_array( $post_counts ) ) { $post_counts = array(); $post_counts_query = $wpdb->get_results( "SELECT DISTINCT post_author, COUNT(ID) AS count FROM $wpdb->posts WHERE " . get_private_posts_cap_sql( 'post' ) . ' GROUP BY post_author' ); foreach ( (array) $post_counts_query as $row ) { $post_counts[ $row->post_author ] = $row->count; } } foreach ( $authors as $author_id ) { $posts = $post_counts[ $author_id ] ?? 0; if ( ! $posts && $parsed_args['hide_empty'] ) { continue; } $author = get_userdata( $author_id ); if ( $parsed_args['exclude_admin'] && 'admin' === $author->display_name ) { continue; } if ( $parsed_args['show_fullname'] && $author->first_name && $author->last_name ) { $name = sprintf( /* translators: 1: User's first name, 2: Last name. */ _x( '%1$s %2$s', 'Display name based on first name and last name' ), $author->first_name, $author->last_name ); } else { $name = $author->display_name; } if ( ! $parsed_args['html'] ) { $return .= $name . ', '; continue; // No need to go further to process HTML. } if ( 'list' === $parsed_args['style'] ) { $return .= '<li>'; } $link = sprintf( '<a href="%1$s">%2$s</a>', esc_url( get_author_posts_url( $author->ID, $author->user_nicename ) ), $name ); if ( ! empty( $parsed_args['feed_image'] ) || ! empty( $parsed_args['feed'] ) ) { $link .= ' '; if ( empty( $parsed_args['feed_image'] ) ) { $link .= '('; } $link .= '<a href="' . get_author_feed_link( $author->ID, $parsed_args['feed_type'] ) . '"'; $alt = ''; if ( ! empty( $parsed_args['feed'] ) ) { $alt = ' alt="' . esc_attr( $parsed_args['feed'] ) . '"'; $name = $parsed_args['feed']; } $link .= '>'; if ( ! empty( $parsed_args['feed_image'] ) ) { $link .= '<img src="' . esc_url( $parsed_args['feed_image'] ) . '" style="border: none;"' . $alt . ' />'; } else { $link .= $name; } $link .= '</a>'; if ( empty( $parsed_args['feed_image'] ) ) { $link .= ')'; } } if ( $parsed_args['optioncount'] ) { $link .= ' (' . $posts . ')'; } $return .= $link; $return .= ( 'list' === $parsed_args['style'] ) ? '</li>' : ', '; } $return = rtrim( $return, ', ' ); if ( $parsed_args['echo'] ) { echo $return; } else { return $return; } } /** * Determines whether this site has more than one author. * * Checks to see if more than one author has published posts. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 3.2.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return bool Whether or not we have more than one author */ function is_multi_author() { global $wpdb; $is_multi_author = get_transient( 'is_multi_author' ); if ( false === $is_multi_author ) { $rows = (array) $wpdb->get_col( "SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 2" ); $is_multi_author = 1 < count( $rows ) ? 1 : 0; set_transient( 'is_multi_author', $is_multi_author ); } /** * Filters whether the site has more than one author with published posts. * * @since 3.2.0 * * @param bool $is_multi_author Whether $is_multi_author should evaluate as true. */ return apply_filters( 'is_multi_author', (bool) $is_multi_author ); } /** * Helper function to clear the cache for number of authors. * * @since 3.2.0 * @access private */ function __clear_multi_author_cache() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore delete_transient( 'is_multi_author' ); }
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