WordPress/wp-includes/author-template.php

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<?php
/**
* Author Template functions for use in themes.
*
* These functions must be used within the WordPress Loop.
*
* @link http://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.
*
* @param string $deprecated Deprecated.
* @return string The author's display name.
*/
function get_the_author($deprecated = '') {
global $authordata;
return apply_filters('the_author', $authordata->display_name);
}
/**
* 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, backwards compatiability has to be maintained.
*
* @since 0.71
* @see get_the_author()
* @link http://codex.wordpress.org/Template_Tags/the_author
*
* @param string $deprecated Deprecated.
* @param string $deprecated_echo Echo the string or return it.
* @return string The author's display name, from get_the_author().
*/
function the_author($deprecated = '', $deprecated_echo = true) {
if ( $deprecated_echo )
echo get_the_author();
return get_the_author();
}
/**
* Retrieve the description of the author of the current post.
*
* @since 1.5
* @uses $authordata The current author's DB object.
* @return string The author's description.
*/
function get_the_author_description() {
global $authordata;
return $authordata->description;
}
/**
* Display the description of the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_description
* @since 1.0.0
* @see get_the_author_description()
*/
function the_author_description() {
echo get_the_author_description();
}
/**
* Retrieve the login name of the author of the current post.
*
* @since 1.5
* @uses $authordata The current author's DB object.
* @return string The author's login name (username).
*/
function get_the_author_login() {
global $authordata;
return $authordata->user_login;
}
/**
* Display the login name of the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_login
* @since 0.71
* @see get_the_author_login()
*/
function the_author_login() {
echo get_the_author_login();
}
/**
* Retrieve the first name of the author of the current post.
*
* @since 1.5
* @uses $authordata The current author's DB object.
* @return string The author's first name.
*/
function get_the_author_firstname() {
global $authordata;
return $authordata->first_name;
}
/**
* Display the first name of the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_firstname
* @since 0.71
* @uses get_the_author_firstname()
*/
function the_author_firstname() {
echo get_the_author_firstname();
}
/**
* Retrieve the last name of the author of the current post.
*
* @since 1.5
* @uses $authordata The current author's DB object.
* @return string The author's last name.
*/
function get_the_author_lastname() {
global $authordata;
return $authordata->last_name;
}
/**
* Display the last name of the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_lastname
* @since 0.71
* @uses get_the_author_lastname()
*/
function the_author_lastname() {
echo get_the_author_lastname();
}
/**
* Retrieve the nickname of the author of the current post.
*
* @since 1.5
* @uses $authordata The current author's DB object.
* @return string The author's nickname.
*/
function get_the_author_nickname() {
global $authordata;
return $authordata->nickname;
}
/**
* Display the nickname of the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_nickname
* @since 0.71
* @uses get_the_author_nickname()
*/
function the_author_nickname() {
echo get_the_author_nickname();
}
/**
* Retrieve the ID of the author of the current post.
*
* @since 1.5
* @uses $authordata The current author's DB object.
* @return int The author's ID.
*/
function get_the_author_ID() {
global $authordata;
return (int) $authordata->ID;
}
/**
* Display the ID of the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_ID
* @since 0.71
* @uses get_the_author_ID()
*/
function the_author_ID() {
echo get_the_author_id();
}
/**
* Retrieve the email of the author of the current post.
*
* @since 1.5
* @uses $authordata The current author's DB object.
* @return string The author's username.
*/
function get_the_author_email() {
global $authordata;
return $authordata->user_email;
}
/**
* Display the email of the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_email
* @since 0.71
* @uses get_the_author_email()
*/
function the_author_email() {
echo apply_filters('the_author_email', get_the_author_email() );
}
/**
* Retrieve the URL to the home page of the author of the current post.
*
* @since 1.5
* @uses $authordata The current author's DB object.
* @return string The URL to the author's page.
*/
function get_the_author_url() {
global $authordata;
if ( 'http://' == $authordata->user_url )
return '';
return $authordata->user_url;
}
/**
* Display the URL to the home page of the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_url
* @since 0.71
* @uses get_the_author_url()
*/
function the_author_url() {
echo get_the_author_url();
}
/**
* 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 http://codex.wordpress.org/Template_Tags/the_author_link
* @since 2.1
* @uses get_the_author_url()
* @uses the_author()
*/
function the_author_link() {
if (get_the_author_url()) {
echo '<a href="' . get_the_author_url() . '" title="' . sprintf(__("Visit %s's website"), get_the_author()) . '" rel="external">' . get_the_author() . '</a>';
} else {
the_author();
}
}
/**
* Retrieve the ICQ number of the author of the current post.
*
* @since 1.5
* @uses $authordata The current author's DB object.
* @return string The author's ICQ number.
*/
function get_the_author_icq() {
global $authordata;
return $authordata->icq;
}
/**
* Display the ICQ number of the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_icq
* @since 0.71
* @see get_the_author_icq()
*/
function the_author_icq() {
echo get_the_author_icq();
}
/**
* Retrieve the AIM name of the author of the current post.
*
* @since 1.5
* @uses $authordata The current author's DB object.
* @return string The author's AIM name.
*/
function get_the_author_aim() {
global $authordata;
return str_replace(' ', '+', $authordata->aim);
}
/**
* Display the AIM name of the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_aim
* @since 0.71
* @see get_the_author_aim()
*/
function the_author_aim() {
echo get_the_author_aim();
}
/**
* Retrieve the Yahoo! IM name of the author of the current post.
*
* @since 1.5
* @uses $authordata The current author's DB object.
* @return string The author's Yahoo! IM name.
*/
function get_the_author_yim() {
global $authordata;
return $authordata->yim;
}
/**
* Display the Yahoo! IM name of the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_yim
* @since 0.71
* @see get_the_author_yim()
*/
function the_author_yim() {
echo get_the_author_yim();
}
/**
* Retrieve the MSN address of the author of the current post.
*
* @since 1.5
* @uses $authordata The current author's DB object.
* @return string The author's MSN address.
*/
function get_the_author_msn() {
global $authordata;
return $authordata->msn;
}
/**
* Display the MSN address of the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_msn
* @since 0.71
* @see get_the_author_msn()
*/
function the_author_msn() {
echo get_the_author_msn();
}
/**
* 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 get_usernumposts()
* @return int The number of posts by the author.
*/
function get_the_author_posts() {
global $post;
return get_usernumposts($post->post_author);
}
/**
* Display the number of posts by the author of the current post.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_posts
* @since 0.71
* @uses get_the_author_posts() Echos 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.
*
* 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.
*
* @link http://codex.wordpress.org/Template_Tags/the_author_posts_link
* @since 1.2
* @uses $authordata The current author's DB object.
* @uses get_author_posts_url()
* @uses get_the_author()
* @param string $deprecated Deprecated.
*/
function the_author_posts_link($deprecated = '') {
global $authordata;
printf(
'<a href="%1$s" title="%2$s">%3$s</a>',
get_author_posts_url( $authordata->ID, $authordata->user_nicename ),
sprintf( __( 'Posts by %s' ), attribute_escape( get_the_author() ) ),
get_the_author()
);
}
/**
* Retrieve the URL to the author page of the author of the current post.
*
* @since 2.1
* @uses $wp_rewrite WP_Rewrite
* @return string The URL to the author's page.
*/
function get_author_posts_url($author_id, $author_nicename = '') {
global $wp_rewrite;
$auth_ID = (int) $author_id;
$link = $wp_rewrite->get_author_permastruct();
if ( empty($link) ) {
$file = get_option('home') . '/';
$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);
$link = get_option('home') . trailingslashit($link);
}
$link = apply_filters('author_link', $link, $author_id, $author_nicename);
return $link;
}
/**
* Retrieve the specified author's preferred display name.
*
* @since 1.0.0
* @param int $auth_id The ID of the author.
* @return string The author's display name.
*/
function get_author_name( $auth_id ) {
$authordata = get_userdata( $auth_id );
return $authordata->display_name;
}
/**
* List all the authors of the blog, with several options available.
*
* optioncount (boolean) (false): Show the count in parenthesis next to the
* author's name.
* exclude_admin (boolean) (true): Exclude the 'admin' user that is installed by
* default.
* show_fullname (boolean) (false): Show their full names.
* hide_empty (boolean) (true): Don't show authors without any posts.
* feed (string) (''): If isn't empty, show links to author's feeds.
* feed_image (string) (''): If isn't empty, use this image to link to feeds.
* echo (boolean) (true): Set to false to return the output, instead of echoing.
*
* @link http://codex.wordpress.org/Template_Tags/wp_list_authors
* @since 1.2
* @param array $args The argument array.
* @return null|string The output, if echo is set to false.
*/
function wp_list_authors($args = '') {
global $wpdb;
$defaults = array(
'optioncount' => false, 'exclude_admin' => true,
'show_fullname' => false, 'hide_empty' => true,
'feed' => '', 'feed_image' => '', 'feed_type' => '', 'echo' => true
);
$r = wp_parse_args( $args, $defaults );
extract($r, EXTR_SKIP);
$return = '';
/** @todo Move select to get_authors(). */
$authors = $wpdb->get_results("SELECT ID, user_nicename from $wpdb->users " . ($exclude_admin ? "WHERE user_login <> 'admin' " : '') . "ORDER BY display_name");
$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) {
$author_count[$row->post_author] = $row->count;
}
foreach ( (array) $authors as $author ) {
$author = get_userdata( $author->ID );
$posts = (isset($author_count[$author->ID])) ? $author_count[$author->ID] : 0;
$name = $author->display_name;
if ( $show_fullname && ($author->first_name != '' && $author->last_name != '') )
$name = "$author->first_name $author->last_name";
if ( !($posts == 0 && $hide_empty) )
$return .= '<li>';
if ( $posts == 0 ) {
if ( !$hide_empty )
$link = $name;
} else {
$link = '<a href="' . get_author_posts_url($author->ID, $author->user_nicename) . '" title="' . sprintf(__("Posts by %s"), attribute_escape($author->display_name)) . '">' . $name . '</a>';
if ( (! empty($feed_image)) || (! empty($feed)) ) {
$link .= ' ';
if (empty($feed_image))
$link .= '(';
$link .= '<a href="' . get_author_rss_link(0, $author->ID, $author->user_nicename) . '"';
if ( !empty($feed) ) {
$title = ' title="' . $feed . '"';
$alt = ' alt="' . $feed . '"';
$name = $feed;
$link .= $title;
}
$link .= '>';
if ( !empty($feed_image) )
$link .= "<img src=\"$feed_image\" style=\"border: none;\"$alt$title" . ' />';
else
$link .= $name;
$link .= '</a>';
if ( empty($feed_image) )
$link .= ')';
}
if ( $optioncount )
$link .= ' ('. $posts . ')';
}
if ( !($posts == 0 && $hide_empty) )
$return .= $link . '</li>';
}
if ( !$echo )
return $return;
echo $return;
}
?>