548 lines
16 KiB
PHP
548 lines
16 KiB
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
|
|
*/
|
|
|
|
/**
|
|
* Retrieve the author of the current post.
|
|
*
|
|
* @since 1.5.0
|
|
*
|
|
* @global object $authordata The current author's DB object.
|
|
*
|
|
* @param string $deprecated Deprecated.
|
|
* @return string|null The author's display name.
|
|
*/
|
|
function get_the_author($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 $authordata->display_name The author's display name.
|
|
*/
|
|
return apply_filters('the_author', is_object($authordata) ? $authordata->display_name : null);
|
|
}
|
|
|
|
/**
|
|
* Display 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://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|null The author's display name, from get_the_author().
|
|
*/
|
|
function the_author( $deprecated = '', $deprecated_echo = true ) {
|
|
if ( ! empty( $deprecated ) ) {
|
|
_deprecated_argument( __FUNCTION__, '2.1.0' );
|
|
}
|
|
|
|
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 2.8.0
|
|
*
|
|
* @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', $last_user->display_name);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Display the name of the author who last edited the current post,
|
|
* if the author's ID is available.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @see get_the_author()
|
|
*/
|
|
function the_modified_author() {
|
|
echo get_the_modified_author();
|
|
}
|
|
|
|
/**
|
|
* Retrieves the requested data of the author of the current post.
|
|
*
|
|
* Valid values for the `$field` parameter include:
|
|
*
|
|
* - admin_color
|
|
* - aim
|
|
* - comment_shortcuts
|
|
* - description
|
|
* - display_name
|
|
* - first_name
|
|
* - ID
|
|
* - jabber
|
|
* - 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
|
|
* - yim
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @global object $authordata The current author's DB object.
|
|
*
|
|
* @param string $field Optional. The user field to retrieve. Default empty.
|
|
* @param int $user_id Optional. User ID.
|
|
* @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 = isset( $authordata->ID ) ? $authordata->ID : 0;
|
|
} else {
|
|
$authordata = get_userdata( $user_id );
|
|
}
|
|
|
|
if ( in_array( $field, array( 'login', 'pass', 'nicename', 'email', 'url', 'registered', 'activation_key', 'status' ) ) )
|
|
$field = 'user_' . $field;
|
|
|
|
$value = isset( $authordata->$field ) ? $authordata->$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|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 );
|
|
}
|
|
|
|
/**
|
|
* 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 $user_id Optional. User ID.
|
|
*
|
|
* @see get_the_author_meta()
|
|
*/
|
|
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, $user_id );
|
|
}
|
|
|
|
/**
|
|
* Retrieve either author's link or author's name.
|
|
*
|
|
* If the author has a home page set, return an HTML link, otherwise just return the
|
|
* author's name.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @return string|null An HTML link if the author's url exist in user meta,
|
|
* else the result of get_the_author().
|
|
*/
|
|
function get_the_author_link() {
|
|
if ( get_the_author_meta('url') ) {
|
|
return sprintf( '<a href="%1$s" title="%2$s" rel="author external">%3$s</a>',
|
|
esc_url( get_the_author_meta('url') ),
|
|
/* translators: %s: author's display name */
|
|
esc_attr( sprintf( __( 'Visit %s’s website' ), get_the_author() ) ),
|
|
get_the_author()
|
|
);
|
|
} else {
|
|
return get_the_author();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Display 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://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 1.5.0
|
|
*
|
|
* @return int The number of posts by the author.
|
|
*/
|
|
function get_the_author_posts() {
|
|
$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 https://codex.wordpress.org/Template_Tags/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
|
|
*
|
|
* @global object $authordata The current author's DB object.
|
|
*
|
|
* @return string An HTML link to the author page.
|
|
*/
|
|
function get_the_author_posts_link() {
|
|
global $authordata;
|
|
if ( ! is_object( $authordata ) ) {
|
|
return;
|
|
}
|
|
|
|
$link = sprintf( '<a href="%1$s" title="%2$s" rel="author">%3$s</a>',
|
|
esc_url( get_author_posts_url( $authordata->ID, $authordata->user_nicename ) ),
|
|
/* translators: %s: author's display name */
|
|
esc_attr( sprintf( __( 'Posts by %s' ), get_the_author() ) ),
|
|
get_the_author()
|
|
);
|
|
|
|
/**
|
|
* 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
|
|
*
|
|
* @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 = '' ) {
|
|
global $wp_rewrite;
|
|
$auth_ID = (int) $author_id;
|
|
$link = $wp_rewrite->get_author_permastruct();
|
|
|
|
if ( empty($link) ) {
|
|
$file = home_url( '/' );
|
|
$link = $file . '?author=' . $auth_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;
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
*
|
|
* @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 = '' ) {
|
|
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' => ''
|
|
);
|
|
|
|
$args = wp_parse_args( $args, $defaults );
|
|
|
|
$return = '';
|
|
|
|
$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 " . 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 ( $args['exclude_admin'] && 'admin' == $author->display_name ) {
|
|
continue;
|
|
}
|
|
|
|
$posts = isset( $author_count[$author->ID] ) ? $author_count[$author->ID] : 0;
|
|
|
|
if ( ! $posts && $args['hide_empty'] ) {
|
|
continue;
|
|
}
|
|
|
|
if ( $args['show_fullname'] && $author->first_name && $author->last_name ) {
|
|
$name = "$author->first_name $author->last_name";
|
|
} else {
|
|
$name = $author->display_name;
|
|
}
|
|
|
|
if ( ! $args['html'] ) {
|
|
$return .= $name . ', ';
|
|
|
|
continue; // No need to go further to process HTML.
|
|
}
|
|
|
|
if ( 'list' == $args['style'] ) {
|
|
$return .= '<li>';
|
|
}
|
|
|
|
$link = sprintf( '<a href="%1$s" title="%2$s">%3$s</a>',
|
|
get_author_posts_url( $author->ID, $author->user_nicename ),
|
|
/* translators: %s: author's display name */
|
|
esc_attr( sprintf( __( 'Posts by %s' ), $author->display_name ) ),
|
|
$name
|
|
);
|
|
|
|
if ( ! empty( $args['feed_image'] ) || ! empty( $args['feed'] ) ) {
|
|
$link .= ' ';
|
|
if ( empty( $args['feed_image'] ) ) {
|
|
$link .= '(';
|
|
}
|
|
|
|
$link .= '<a href="' . get_author_feed_link( $author->ID, $args['feed_type'] ) . '"';
|
|
|
|
$alt = '';
|
|
if ( ! empty( $args['feed'] ) ) {
|
|
$alt = ' alt="' . esc_attr( $args['feed'] ) . '"';
|
|
$name = $args['feed'];
|
|
}
|
|
|
|
$link .= '>';
|
|
|
|
if ( ! empty( $args['feed_image'] ) ) {
|
|
$link .= '<img src="' . esc_url( $args['feed_image'] ) . '" style="border: none;"' . $alt . ' />';
|
|
} else {
|
|
$link .= $name;
|
|
}
|
|
|
|
$link .= '</a>';
|
|
|
|
if ( empty( $args['feed_image'] ) ) {
|
|
$link .= ')';
|
|
}
|
|
}
|
|
|
|
if ( $args['optioncount'] ) {
|
|
$link .= ' ('. $posts . ')';
|
|
}
|
|
|
|
$return .= $link;
|
|
$return .= ( 'list' == $args['style'] ) ? '</li>' : ', ';
|
|
}
|
|
|
|
$return = rtrim( $return, ', ' );
|
|
|
|
if ( ! $args['echo'] ) {
|
|
return $return;
|
|
}
|
|
echo $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;
|
|
|
|
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;
|
|
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() {
|
|
delete_transient( 'is_multi_author' );
|
|
}
|