Web.Admin/2014/wordpress/wp-includes/author-template.php
<?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 $authordata;
return apply_filters('the_author', is_object($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, 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 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.
*/
function get_the_modified_author() {
global $post;
if ( $last_id = get_post_meta($post->ID, '_edit_last', true) ) {
$last_user = get_userdata($last_id);
return apply_filters('the_modified_author', $last_user->display_name);
}
}
/**
* Display the name of the author who last edited the current post.
*
* @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
* @since 2.8.0
* @uses $authordata The current author's DB object (if $user_id not specified).
* @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) {
if ( ! $user_id )
global $authordata;
else
$authordata = get_userdata( $user_id );
$field = strtolower($field);
$user_field = "user_$field";
if ( 'id' == $field )
$value = isset($authordata->ID) ? (int)$authordata->ID : 0;
elseif ( isset($authordata->$user_field) )
$value = $authordata->$user_field;
else
$value = isset($authordata->$field) ? $authordata->$field : '';
return apply_filters('get_the_author_' . $field, $value, $user_id);
}
/**
* Retrieve the requested data of the author of the current post.
* @link http://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);
}
/**
* 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_meta()
* @uses the_author()
*/
function the_author_link() {
if ( get_the_author_meta('url') ) {
echo '<a href="' . get_the_author_meta('url') . '" title="' . esc_attr( sprintf(__("Visit %s’s website"), get_the_author()) ) . '" rel="external">' . get_the_author() . '</a>';
} else {
the_author();
}
}
/**
* 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 1.2.0
* @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;
$link = sprintf(
'<a href="%1$s" title="%2$s">%3$s</a>',
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 );
}
/**
* Retrieve the URL to the author page of the author of the current post.
*
* @since 2.1.0
* @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;
}
/**
* 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 for or plaintext.
* </li>
* </ul>
*
* @link http://codex.wordpress.org/Template_Tags/wp_list_authors
* @since 1.2.0
* @param array $args The argument array.
* @return null|string The output, if echo is set to false.
*/
function wp_list_authors($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
);
$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 ) {
$link = '';
$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 $author->last_name";
if( !$html ) {
if ( $posts == 0 ) {
if ( ! $hide_empty )
$return .= $name . ', ';
} else
$return .= $name . ', ';
// No need to go further to process HTML.
continue;
}
if ( !($posts == 0 && $hide_empty) && 'list' == $style )
$return .= '<li>';
if ( $posts == 0 ) {
if ( ! $hide_empty )
$link = $name;
} else {
$link = '<a href="' . get_author_posts_url($author->ID, $author->user_nicename) . '" title="' . esc_attr( sprintf(__("Posts by %s"), $author->display_name) ) . '">' . $name . '</a>';
if ( (! empty($feed_image)) || (! empty($feed)) ) {
$link .= ' ';
if (empty($feed_image))
$link .= '(';
$link .= '<a href="' . get_author_feed_link($author->ID) . '"';
if ( !empty($feed) ) {
$title = ' title="' . esc_attr($feed) . '"';
$alt = ' alt="' . esc_attr($feed) . '"';
$name = $feed;
$link .= $title;
}
$link .= '>';
if ( !empty($feed_image) )
$link .= "<img src=\"" . esc_url($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) && 'list' == $style )
$return .= $link . '</li>';
else if ( ! $hide_empty )
$return .= $link . ', ';
}
$return = trim($return, ', ');
if ( ! $echo )
return $return;
echo $return;
}
?>