*
* These functions must be used within the WordPress Loop.
*
- * @link http://codex.wordpress.org/Author_Templates
+ * @link https://codex.wordpress.org/Author_Templates
*
* @package WordPress
* @subpackage Template
/**
* Retrieve the author of the current post.
*
- * @since 1.5
- * @uses $authordata The current author's DB object.
- * @uses apply_filters() Calls 'the_author' hook on the author display name.
+ * @since 1.5.0
+ *
+ * @global object $authordata The current author's DB object.
*
* @param string $deprecated Deprecated.
- * @return string The author's display name.
+ * @return string|null The author's display name.
*/
function get_the_author($deprecated = '') {
global $authordata;
if ( !empty( $deprecated ) )
- _deprecated_argument( __FUNCTION__, '2.1' );
-
+ _deprecated_argument( __FUNCTION__, '2.1.0' );
+
+ /**
+ * Filters the display name of the current post's author.
+ *
+ * @since 2.9.0
+ *
+ * @param string $authordata->display_name The author's display name.
+ */
return apply_filters('the_author', is_object($authordata) ? $authordata->display_name : null);
}
* 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, backwards compatibility has to be maintained.
+ * return it. However, backward compatibility has to be maintained.
*
* @since 0.71
* @see get_the_author()
- * @link http://codex.wordpress.org/Template_Tags/the_author
+ * @link https://codex.wordpress.org/Template_Tags/the_author
*
* @param string $deprecated Deprecated.
* @param string $deprecated_echo Deprecated. Use get_the_author(). Echo the string or return it.
- * @return string The author's display name, from get_the_author().
+ * @return string|null The author's display name, from get_the_author().
*/
function the_author( $deprecated = '', $deprecated_echo = true ) {
- if ( !empty( $deprecated ) )
- _deprecated_argument( __FUNCTION__, '2.1' );
- if ( $deprecated_echo !== true )
- _deprecated_argument( __FUNCTION__, '1.5', __('Use <code>get_the_author()</code> instead if you do not want the value echoed.') );
- if ( $deprecated_echo )
+ if ( ! empty( $deprecated ) ) {
+ _deprecated_argument( __FUNCTION__, '2.1.0' );
+ }
+
+ if ( true !== $deprecated_echo ) {
+ _deprecated_argument( __FUNCTION__, '1.5.0',
+ /* translators: %s: get_the_author() */
+ sprintf( __( '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();
}
/**
* Retrieve the author who last edited the current post.
*
- * @since 2.8
- * @uses $post The current post's DB object.
- * @uses get_post_meta() Retrieves the ID of the author who last edited the current post.
- * @uses get_userdata() Retrieves the author's DB object.
- * @uses apply_filters() Calls 'the_modified_author' hook on the author display name.
- * @return string The author's display name.
+ * @since 2.8.0
+ *
+ * @return string|void The author's display name.
*/
function get_the_modified_author() {
if ( $last_id = get_post_meta( get_post()->ID, '_edit_last', true) ) {
$last_user = get_userdata($last_id);
+
+ /**
+ * Filters the display name of the author who last edited the current post.
+ *
+ * @since 2.8.0
+ *
+ * @param string $last_user->display_name The author's display name.
+ */
return apply_filters('the_modified_author', $last_user->display_name);
}
}
/**
- * Display the name of the author who last edited the current post.
+ * Display the name of the author who last edited the current post,
+ * if the author's ID is available.
+ *
+ * @since 2.8.0
*
- * @since 2.8
* @see get_the_author()
- * @return string The author's display name, from get_the_modified_author().
*/
function the_modified_author() {
echo get_the_modified_author();
/**
* Retrieve the requested data of the author of the current post.
- * @link http://codex.wordpress.org/Template_Tags/the_author_meta
+ * @link https://codex.wordpress.org/Template_Tags/the_author_meta
* @since 2.8.0
- * @uses $authordata The current author's DB object (if $user_id not specified).
+ *
+ * @global object $authordata The current author's DB object.
+ *
* @param string $field selects the field of the users record.
* @param int $user_id Optional. User ID.
* @return string The author's field from the current author's DB object.
*/
function get_the_author_meta( $field = '', $user_id = false ) {
+ $original_user_id = $user_id;
+
if ( ! $user_id ) {
global $authordata;
$user_id = isset( $authordata->ID ) ? $authordata->ID : 0;
$value = isset( $authordata->$field ) ? $authordata->$field : '';
- return apply_filters( 'get_the_author_' . $field, $value, $user_id );
+ /**
+ * Filters the value of the requested user metadata.
+ *
+ * The filter name is dynamic and depends on the $field parameter of the function.
+ *
+ * @since 2.8.0
+ * @since 4.3.0 The `$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|bool $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 );
}
/**
- * Retrieve the requested data of the author of the current post.
- * @link http://codex.wordpress.org/Template_Tags/the_author_meta
+ * Outputs the field from the user's DB object. Defaults to current post's author.
+ *
+ * @link https://codex.wordpress.org/Template_Tags/the_author_meta
+ *
* @since 2.8.0
+ *
* @param string $field selects the field of the users record.
* @param int $user_id Optional. User ID.
- * @echo string The author's field from the current author's DB object.
*/
-function the_author_meta($field = '', $user_id = false) {
- echo apply_filters('the_author_' . $field, get_the_author_meta($field, $user_id), $user_id);
+function the_author_meta( $field = '', $user_id = false ) {
+ $author_meta = get_the_author_meta( $field, $user_id );
+
+ /**
+ * 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 $user_id The user ID.
+ */
+ echo apply_filters( 'the_author_' . $field, $author_meta, $user_id );
}
/**
* If the author has a home page set, return an HTML link, otherwise just return the
* author's name.
*
- * @uses get_the_author_meta()
- * @uses get_the_author()
+ * @return string|null An HTML link if the author's url exist in user meta,
+ * else the result of get_the_author().
*/
function get_the_author_link() {
if ( get_the_author_meta('url') ) {
- return '<a href="' . get_the_author_meta('url') . '" title="' . esc_attr( sprintf(__("Visit %s’s website"), get_the_author()) ) . '" rel="author external">' . get_the_author() . '</a>';
+ return '<a href="' . esc_url( get_the_author_meta('url') ) . '" title="' . esc_attr( sprintf(__("Visit %s’s website"), get_the_author()) ) . '" rel="author external">' . get_the_author() . '</a>';
} else {
return get_the_author();
}
* If the author has a home page set, echo an HTML link, otherwise just echo the
* author's name.
*
- * @link http://codex.wordpress.org/Template_Tags/the_author_link
- * @since 2.1
- * @uses get_the_author_link()
+ * @link https://codex.wordpress.org/Template_Tags/the_author_link
+ *
+ * @since 2.1.0
*/
function the_author_link() {
echo get_the_author_link();
/**
* Retrieve the number of posts by the author of the current post.
*
- * @since 1.5
- * @uses $post The current post in the Loop's DB object.
- * @uses count_user_posts()
+ * @since 1.5.0
+ *
* @return int The number of posts by the author.
*/
function get_the_author_posts() {
- return count_user_posts( get_post()->post_author );
+ $post = get_post();
+ if ( ! $post ) {
+ return 0;
+ }
+ return count_user_posts( $post->post_author, $post->post_type );
}
/**
* Display the number of posts by the author of the current post.
*
- * @link http://codex.wordpress.org/Template_Tags/the_author_posts
+ * @link https://codex.wordpress.org/Template_Tags/the_author_posts
* @since 0.71
- * @uses get_the_author_posts() Echoes returned value from function.
*/
function the_author_posts() {
echo get_the_author_posts();
}
/**
- * Display an HTML link to the author page of the author of the current post.
+ * Retrieves an HTML link to the author page of the current post's author.
*
- * Does just echo get_author_posts_url() function, like the others do. The
- * reason for this, is that another function is used to help in printing the
- * link to the author's posts.
+ * Returns an HTML-formatted link using get_author_posts_url().
*
- * @link http://codex.wordpress.org/Template_Tags/the_author_posts_link
- * @since 1.2.0
- * @uses $authordata The current author's DB object.
- * @uses get_author_posts_url()
- * @uses get_the_author()
- * @param string $deprecated Deprecated.
+ * @since 4.4.0
+ *
+ * @global object $authordata The current author's DB object.
+ *
+ * @return string An HTML link to the author page.
*/
-function the_author_posts_link($deprecated = '') {
- if ( !empty( $deprecated ) )
- _deprecated_argument( __FUNCTION__, '2.1' );
-
+function get_the_author_posts_link() {
global $authordata;
- if ( !is_object( $authordata ) )
- return false;
+ if ( ! is_object( $authordata ) ) {
+ return;
+ }
+
$link = sprintf(
'<a href="%1$s" title="%2$s" rel="author">%3$s</a>',
- get_author_posts_url( $authordata->ID, $authordata->user_nicename ),
+ esc_url( get_author_posts_url( $authordata->ID, $authordata->user_nicename ) ),
esc_attr( sprintf( __( 'Posts by %s' ), get_the_author() ) ),
get_the_author()
);
- echo apply_filters( 'the_author_posts_link', $link );
+
+ /**
+ * Filters the link to the author page of the author of the current post.
+ *
+ * @since 2.9.0
+ *
+ * @param string $link HTML link.
+ */
+ return apply_filters( 'the_author_posts_link', $link );
+}
+
+/**
+ * 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();
}
/**
* Retrieve the URL to the author page for the user with the ID provided.
*
* @since 2.1.0
- * @uses $wp_rewrite WP_Rewrite
+ *
+ * @global WP_Rewrite $wp_rewrite
+ *
+ * @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 = '') {
+function get_author_posts_url( $author_id, $author_nicename = '' ) {
global $wp_rewrite;
$auth_ID = (int) $author_id;
$link = $wp_rewrite->get_author_permastruct();
$link = home_url( user_trailingslashit( $link ) );
}
- $link = apply_filters('author_link', $link, $author_id, $author_nicename);
+ /**
+ * 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;
}
/**
- * List all the authors of the blog, with several options available.
- *
- * <ul>
- * <li>optioncount (boolean) (false): Show the count in parenthesis next to the
- * author's name.</li>
- * <li>exclude_admin (boolean) (true): Exclude the 'admin' user that is
- * installed bydefault.</li>
- * <li>show_fullname (boolean) (false): Show their full names.</li>
- * <li>hide_empty (boolean) (true): Don't show authors without any posts.</li>
- * <li>feed (string) (''): If isn't empty, show links to author's feeds.</li>
- * <li>feed_image (string) (''): If isn't empty, use this image to link to
- * feeds.</li>
- * <li>echo (boolean) (true): Set to false to return the output, instead of
- * echoing.</li>
- * <li>style (string) ('list'): Whether to display list of authors in list form
- * or as a string.</li>
- * <li>html (bool) (true): Whether to list the items in html form or plaintext.
- * </li>
- * </ul>
- *
- * @link http://codex.wordpress.org/Template_Tags/wp_list_authors
+ * List all the authors of the site, with several options available.
+ *
+ * @link https://codex.wordpress.org/Template_Tags/wp_list_authors
+ *
* @since 1.2.0
- * @param array $args The argument array.
- * @return null|string The output, if echo is set to false.
+ *
+ * @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 false.
+ * @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, such as 'rss2'. Defaults to default feed type.
+ * @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 array|string $exclude Array or comma/space-separated list of author IDs to exclude. Default empty.
+ * @type array|string $include Array or comma/space-separated list of author IDs to include. Default empty.
+ * }
+ * @return string|void The output, if echo is set to false.
*/
-function wp_list_authors($args = '') {
+function wp_list_authors( $args = '' ) {
global $wpdb;
$defaults = array(
'optioncount' => false, 'exclude_admin' => true,
'show_fullname' => false, 'hide_empty' => true,
'feed' => '', 'feed_image' => '', 'feed_type' => '', 'echo' => true,
- 'style' => 'list', 'html' => true
+ 'style' => 'list', 'html' => true, 'exclude' => '', 'include' => ''
);
$args = wp_parse_args( $args, $defaults );
- extract( $args, EXTR_SKIP );
$return = '';
- $query_args = wp_array_slice_assoc( $args, array( 'orderby', 'order', 'number' ) );
+ $query_args = wp_array_slice_assoc( $args, array( 'orderby', 'order', 'number', 'exclude', 'include' ) );
$query_args['fields'] = 'ids';
$authors = get_users( $query_args );
$author_count = array();
- foreach ( (array) $wpdb->get_results("SELECT DISTINCT post_author, COUNT(ID) AS count FROM $wpdb->posts WHERE post_type = 'post' AND " . get_private_posts_cap_sql( 'post' ) . " GROUP BY post_author") as $row )
+ foreach ( (array) $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" ) as $row ) {
$author_count[$row->post_author] = $row->count;
-
+ }
foreach ( $authors as $author_id ) {
$author = get_userdata( $author_id );
- if ( $exclude_admin && 'admin' == $author->display_name )
+ if ( $args['exclude_admin'] && 'admin' == $author->display_name ) {
continue;
+ }
$posts = isset( $author_count[$author->ID] ) ? $author_count[$author->ID] : 0;
- if ( !$posts && $hide_empty )
+ if ( ! $posts && $args['hide_empty'] ) {
continue;
+ }
- $link = '';
-
- if ( $show_fullname && $author->first_name && $author->last_name )
+ if ( $args['show_fullname'] && $author->first_name && $author->last_name ) {
$name = "$author->first_name $author->last_name";
- else
+ } else {
$name = $author->display_name;
+ }
- if ( !$html ) {
+ if ( ! $args['html'] ) {
$return .= $name . ', ';
continue; // No need to go further to process HTML.
}
- if ( 'list' == $style ) {
+ if ( 'list' == $args['style'] ) {
$return .= '<li>';
}
$link = '<a href="' . get_author_posts_url( $author->ID, $author->user_nicename ) . '" title="' . esc_attr( sprintf(__("Posts by %s"), $author->display_name) ) . '">' . $name . '</a>';
- if ( !empty( $feed_image ) || !empty( $feed ) ) {
+ if ( ! empty( $args['feed_image'] ) || ! empty( $args['feed'] ) ) {
$link .= ' ';
- if ( empty( $feed_image ) ) {
+ if ( empty( $args['feed_image'] ) ) {
$link .= '(';
}
- $link .= '<a href="' . get_author_feed_link( $author->ID ) . '"';
+ $link .= '<a href="' . get_author_feed_link( $author->ID, $args['feed_type'] ) . '"';
- $alt = $title = '';
- if ( !empty( $feed ) ) {
- $title = ' title="' . esc_attr( $feed ) . '"';
- $alt = ' alt="' . esc_attr( $feed ) . '"';
- $name = $feed;
- $link .= $title;
+ $alt = '';
+ if ( ! empty( $args['feed'] ) ) {
+ $alt = ' alt="' . esc_attr( $args['feed'] ) . '"';
+ $name = $args['feed'];
}
$link .= '>';
- if ( !empty( $feed_image ) )
- $link .= '<img src="' . esc_url( $feed_image ) . '" style="border: none;"' . $alt . $title . ' />';
- else
+ if ( ! empty( $args['feed_image'] ) ) {
+ $link .= '<img src="' . esc_url( $args['feed_image'] ) . '" style="border: none;"' . $alt . ' />';
+ } else {
$link .= $name;
+ }
$link .= '</a>';
- if ( empty( $feed_image ) )
+ if ( empty( $args['feed_image'] ) ) {
$link .= ')';
+ }
}
- if ( $optioncount )
+ if ( $args['optioncount'] ) {
$link .= ' ('. $posts . ')';
+ }
$return .= $link;
- $return .= ( 'list' == $style ) ? '</li>' : ', ';
+ $return .= ( 'list' == $args['style'] ) ? '</li>' : ', ';
}
- $return = rtrim($return, ', ');
+ $return = rtrim( $return, ', ' );
- if ( !$echo )
+ if ( ! $args['echo'] ) {
return $return;
-
+ }
echo $return;
}
* Checks to see if more than one author has published posts.
*
* @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;
- if ( false === ( $is_multi_author = wp_cache_get('is_multi_author', 'posts') ) ) {
+ if ( false === ( $is_multi_author = get_transient( '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;
- wp_cache_set('is_multi_author', $is_multi_author, 'posts');
+ 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 );
}
* @private
*/
function __clear_multi_author_cache() {
- wp_cache_delete('is_multi_author', 'posts');
+ delete_transient( 'is_multi_author' );
}
-add_action('transition_post_status', '__clear_multi_author_cache');