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420b733958
Props ramiy. Fixes #37795. Built from https://develop.svn.wordpress.org/trunk@38341 git-svn-id: http://core.svn.wordpress.org/trunk@38282 1a063a9b-81f0-0310-95a4-ce76da25c4cd
510 lines
15 KiB
PHP
510 lines
15 KiB
PHP
<?php
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/**
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* Author Template functions for use in themes.
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*
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* These functions must be used within the WordPress Loop.
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*
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* @link https://codex.wordpress.org/Author_Templates
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*
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* @package WordPress
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* @subpackage Template
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*/
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/**
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* Retrieve the author of the current post.
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*
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* @since 1.5.0
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*
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* @global object $authordata The current author's DB object.
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*
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* @param string $deprecated Deprecated.
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* @return string|null The author's display name.
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*/
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function get_the_author($deprecated = '') {
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global $authordata;
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if ( !empty( $deprecated ) )
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_deprecated_argument( __FUNCTION__, '2.1.0' );
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/**
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* Filters the display name of the current post's author.
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*
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* @since 2.9.0
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*
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* @param string $authordata->display_name The author's display name.
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*/
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return apply_filters('the_author', is_object($authordata) ? $authordata->display_name : null);
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}
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/**
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* Display the name of the author of the current post.
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*
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* The behavior of this function is based off of old functionality predating
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* get_the_author(). This function is not deprecated, but is designed to echo
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* the value from get_the_author() and as an result of any old theme that might
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* still use the old behavior will also pass the value from get_the_author().
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*
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* The normal, expected behavior of this function is to echo the author and not
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* return it. However, backward compatibility has to be maintained.
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*
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* @since 0.71
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* @see get_the_author()
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* @link https://codex.wordpress.org/Template_Tags/the_author
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*
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* @param string $deprecated Deprecated.
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* @param string $deprecated_echo Deprecated. Use get_the_author(). Echo the string or return it.
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* @return string|null The author's display name, from get_the_author().
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*/
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function the_author( $deprecated = '', $deprecated_echo = true ) {
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if ( ! empty( $deprecated ) ) {
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_deprecated_argument( __FUNCTION__, '2.1.0' );
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}
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if ( true !== $deprecated_echo ) {
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_deprecated_argument( __FUNCTION__, '1.5.0',
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/* translators: %s: get_the_author() */
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sprintf( __( 'Use %s instead if you do not want the value echoed.' ),
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'<code>get_the_author()</code>'
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)
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);
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}
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if ( $deprecated_echo ) {
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echo get_the_author();
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}
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return get_the_author();
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}
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/**
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* Retrieve the author who last edited the current post.
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*
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* @since 2.8.0
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*
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* @return string|void The author's display name.
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*/
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function get_the_modified_author() {
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if ( $last_id = get_post_meta( get_post()->ID, '_edit_last', true) ) {
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$last_user = get_userdata($last_id);
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/**
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* Filters the display name of the author who last edited the current post.
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*
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* @since 2.8.0
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*
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* @param string $last_user->display_name The author's display name.
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*/
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return apply_filters('the_modified_author', $last_user->display_name);
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}
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}
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/**
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* Display the name of the author who last edited the current post,
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* if the author's ID is available.
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*
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* @since 2.8.0
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*
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* @see get_the_author()
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*/
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function the_modified_author() {
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echo get_the_modified_author();
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}
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/**
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* Retrieve the requested data of the author of the current post.
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* @link https://codex.wordpress.org/Template_Tags/the_author_meta
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* @since 2.8.0
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*
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* @global object $authordata The current author's DB object.
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*
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* @param string $field selects the field of the users record.
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* @param int $user_id Optional. User ID.
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* @return string The author's field from the current author's DB object.
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*/
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function get_the_author_meta( $field = '', $user_id = false ) {
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$original_user_id = $user_id;
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if ( ! $user_id ) {
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global $authordata;
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$user_id = isset( $authordata->ID ) ? $authordata->ID : 0;
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} else {
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$authordata = get_userdata( $user_id );
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}
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if ( in_array( $field, array( 'login', 'pass', 'nicename', 'email', 'url', 'registered', 'activation_key', 'status' ) ) )
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$field = 'user_' . $field;
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$value = isset( $authordata->$field ) ? $authordata->$field : '';
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/**
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* Filters the value of the requested user metadata.
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*
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* The filter name is dynamic and depends on the $field parameter of the function.
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*
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* @since 2.8.0
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* @since 4.3.0 The `$original_user_id` parameter was added.
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*
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* @param string $value The value of the metadata.
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* @param int $user_id The user ID for the value.
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* @param int|bool $original_user_id The original user ID, as passed to the function.
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*/
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return apply_filters( 'get_the_author_' . $field, $value, $user_id, $original_user_id );
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}
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/**
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* Outputs the field from the user's DB object. Defaults to current post's author.
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*
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* @link https://codex.wordpress.org/Template_Tags/the_author_meta
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*
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* @since 2.8.0
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*
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* @param string $field selects the field of the users record.
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* @param int $user_id Optional. User ID.
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*/
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function the_author_meta( $field = '', $user_id = false ) {
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$author_meta = get_the_author_meta( $field, $user_id );
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/**
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* The value of the requested user metadata.
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*
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* The filter name is dynamic and depends on the $field parameter of the function.
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*
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* @since 2.8.0
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*
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* @param string $author_meta The value of the metadata.
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* @param int $user_id The user ID.
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*/
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echo apply_filters( 'the_author_' . $field, $author_meta, $user_id );
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}
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/**
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* Retrieve either author's link or author's name.
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*
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* If the author has a home page set, return an HTML link, otherwise just return the
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* author's name.
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*
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* @return string|null An HTML link if the author's url exist in user meta,
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* else the result of get_the_author().
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*/
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function get_the_author_link() {
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if ( get_the_author_meta('url') ) {
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return sprintf( '<a href="%1$s" title="%2$s" rel="author external">%3$s</a>',
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esc_url( get_the_author_meta('url') ),
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/* translators: %s: author's display name */
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esc_attr( sprintf( __( 'Visit %s’s website' ), get_the_author() ) ),
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get_the_author()
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);
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} else {
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return get_the_author();
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}
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}
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/**
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* Display either author's link or author's name.
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*
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* If the author has a home page set, echo an HTML link, otherwise just echo the
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* author's name.
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*
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* @link https://codex.wordpress.org/Template_Tags/the_author_link
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*
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* @since 2.1.0
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*/
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function the_author_link() {
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echo get_the_author_link();
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}
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/**
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* Retrieve the number of posts by the author of the current post.
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*
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* @since 1.5.0
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*
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* @return int The number of posts by the author.
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*/
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function get_the_author_posts() {
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$post = get_post();
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if ( ! $post ) {
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return 0;
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}
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return count_user_posts( $post->post_author, $post->post_type );
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}
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/**
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* Display the number of posts by the author of the current post.
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*
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* @link https://codex.wordpress.org/Template_Tags/the_author_posts
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* @since 0.71
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*/
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function the_author_posts() {
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echo get_the_author_posts();
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}
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/**
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* Retrieves an HTML link to the author page of the current post's author.
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*
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* Returns an HTML-formatted link using get_author_posts_url().
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*
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* @since 4.4.0
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*
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* @global object $authordata The current author's DB object.
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*
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* @return string An HTML link to the author page.
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*/
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function get_the_author_posts_link() {
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global $authordata;
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if ( ! is_object( $authordata ) ) {
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return;
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}
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$link = sprintf( '<a href="%1$s" title="%2$s" rel="author">%3$s</a>',
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esc_url( get_author_posts_url( $authordata->ID, $authordata->user_nicename ) ),
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/* translators: %s: author's display name */
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esc_attr( sprintf( __( 'Posts by %s' ), get_the_author() ) ),
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get_the_author()
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);
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/**
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* Filters the link to the author page of the author of the current post.
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*
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* @since 2.9.0
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*
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* @param string $link HTML link.
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*/
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return apply_filters( 'the_author_posts_link', $link );
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}
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/**
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* Displays an HTML link to the author page of the current post's author.
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*
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* @since 1.2.0
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* @since 4.4.0 Converted into a wrapper for get_the_author_posts_link()
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*
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* @param string $deprecated Unused.
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*/
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function the_author_posts_link( $deprecated = '' ) {
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if ( ! empty( $deprecated ) ) {
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_deprecated_argument( __FUNCTION__, '2.1.0' );
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}
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echo get_the_author_posts_link();
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}
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/**
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* Retrieve the URL to the author page for the user with the ID provided.
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*
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* @since 2.1.0
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*
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* @global WP_Rewrite $wp_rewrite
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*
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* @param int $author_id Author ID.
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* @param string $author_nicename Optional. The author's nicename (slug). Default empty.
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* @return string The URL to the author's page.
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*/
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function get_author_posts_url( $author_id, $author_nicename = '' ) {
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global $wp_rewrite;
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$auth_ID = (int) $author_id;
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$link = $wp_rewrite->get_author_permastruct();
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if ( empty($link) ) {
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$file = home_url( '/' );
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$link = $file . '?author=' . $auth_ID;
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} else {
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if ( '' == $author_nicename ) {
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$user = get_userdata($author_id);
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if ( !empty($user->user_nicename) )
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$author_nicename = $user->user_nicename;
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}
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$link = str_replace('%author%', $author_nicename, $link);
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$link = home_url( user_trailingslashit( $link ) );
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}
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/**
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* Filters the URL to the author's page.
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*
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* @since 2.1.0
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*
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* @param string $link The URL to the author's page.
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* @param int $author_id The author's id.
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* @param string $author_nicename The author's nice name.
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*/
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$link = apply_filters( 'author_link', $link, $author_id, $author_nicename );
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return $link;
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}
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/**
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* List all the authors of the site, with several options available.
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*
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* @link https://codex.wordpress.org/Template_Tags/wp_list_authors
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*
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* @since 1.2.0
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @param string|array $args {
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* Optional. Array or string of default arguments.
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*
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* @type string $orderby How to sort the authors. Accepts 'nicename', 'email', 'url', 'registered',
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* 'user_nicename', 'user_email', 'user_url', 'user_registered', 'name',
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* 'display_name', 'post_count', 'ID', 'meta_value', 'user_login'. Default 'name'.
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* @type string $order Sorting direction for $orderby. Accepts 'ASC', 'DESC'. Default 'ASC'.
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* @type int $number Maximum authors to return or display. Default empty (all authors).
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* @type bool $optioncount Show the count in parenthesis next to the author's name. Default false.
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* @type bool $exclude_admin Whether to exclude the 'admin' account, if it exists. Default false.
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* @type bool $show_fullname Whether to show the author's full name. Default false.
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* @type bool $hide_empty Whether to hide any authors with no posts. Default true.
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* @type string $feed If not empty, show a link to the author's feed and use this text as the alt
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* parameter of the link. Default empty.
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* @type string $feed_image If not empty, show a link to the author's feed and use this image URL as
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* clickable anchor. Default empty.
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* @type string $feed_type The feed type to link to, such as 'rss2'. Defaults to default feed type.
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* @type bool $echo Whether to output the result or instead return it. Default true.
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* @type string $style If 'list', each author is wrapped in an `<li>` element, otherwise the authors
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* will be separated by commas.
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* @type bool $html Whether to list the items in HTML form or plaintext. Default true.
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* @type array|string $exclude Array or comma/space-separated list of author IDs to exclude. Default empty.
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* @type array|string $include Array or comma/space-separated list of author IDs to include. Default empty.
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* }
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* @return string|void The output, if echo is set to false.
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*/
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function wp_list_authors( $args = '' ) {
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global $wpdb;
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$defaults = array(
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'orderby' => 'name', 'order' => 'ASC', 'number' => '',
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'optioncount' => false, 'exclude_admin' => true,
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'show_fullname' => false, 'hide_empty' => true,
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'feed' => '', 'feed_image' => '', 'feed_type' => '', 'echo' => true,
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'style' => 'list', 'html' => true, 'exclude' => '', 'include' => ''
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);
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$args = wp_parse_args( $args, $defaults );
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$return = '';
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$query_args = wp_array_slice_assoc( $args, array( 'orderby', 'order', 'number', 'exclude', 'include' ) );
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$query_args['fields'] = 'ids';
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$authors = get_users( $query_args );
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$author_count = array();
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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 $row ) {
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$author_count[$row->post_author] = $row->count;
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}
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foreach ( $authors as $author_id ) {
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$author = get_userdata( $author_id );
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if ( $args['exclude_admin'] && 'admin' == $author->display_name ) {
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continue;
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}
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$posts = isset( $author_count[$author->ID] ) ? $author_count[$author->ID] : 0;
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if ( ! $posts && $args['hide_empty'] ) {
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continue;
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}
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if ( $args['show_fullname'] && $author->first_name && $author->last_name ) {
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$name = "$author->first_name $author->last_name";
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} else {
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$name = $author->display_name;
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}
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if ( ! $args['html'] ) {
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$return .= $name . ', ';
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continue; // No need to go further to process HTML.
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}
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if ( 'list' == $args['style'] ) {
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$return .= '<li>';
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}
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$link = sprintf( '<a href="%1$s" title="%2$s">%3$s</a>',
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get_author_posts_url( $author->ID, $author->user_nicename ),
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/* translators: %s: author's display name */
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esc_attr( sprintf( __( 'Posts by %s' ), $author->display_name ) ),
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$name
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);
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if ( ! empty( $args['feed_image'] ) || ! empty( $args['feed'] ) ) {
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$link .= ' ';
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if ( empty( $args['feed_image'] ) ) {
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$link .= '(';
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}
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$link .= '<a href="' . get_author_feed_link( $author->ID, $args['feed_type'] ) . '"';
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$alt = '';
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if ( ! empty( $args['feed'] ) ) {
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$alt = ' alt="' . esc_attr( $args['feed'] ) . '"';
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$name = $args['feed'];
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}
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$link .= '>';
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if ( ! empty( $args['feed_image'] ) ) {
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$link .= '<img src="' . esc_url( $args['feed_image'] ) . '" style="border: none;"' . $alt . ' />';
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} else {
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$link .= $name;
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}
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$link .= '</a>';
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if ( empty( $args['feed_image'] ) ) {
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$link .= ')';
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}
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}
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if ( $args['optioncount'] ) {
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$link .= ' ('. $posts . ')';
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}
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$return .= $link;
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$return .= ( 'list' == $args['style'] ) ? '</li>' : ', ';
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}
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$return = rtrim( $return, ', ' );
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if ( ! $args['echo'] ) {
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return $return;
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}
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echo $return;
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}
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/**
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* Does this site have more than one author
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*
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* Checks to see if more than one author has published posts.
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*
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* @since 3.2.0
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @return bool Whether or not we have more than one author
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*/
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function is_multi_author() {
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global $wpdb;
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if ( false === ( $is_multi_author = get_transient( 'is_multi_author' ) ) ) {
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$rows = (array) $wpdb->get_col("SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 2");
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$is_multi_author = 1 < count( $rows ) ? 1 : 0;
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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.
|
|
*
|
|
* @private
|
|
*/
|
|
function __clear_multi_author_cache() {
|
|
delete_transient( 'is_multi_author' );
|
|
}
|