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Introduce new is_multi_author() template tag to make it easier for themes to have different behaviour when a site has more than one 

author. Fixes #14405 props filosofo.


git-svn-id: http://svn.automattic.com/wordpress/trunk@17901 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
westi 2011-05-12 07:14:44 +00:00
parent 0e57bd3a37
commit f26f40776f
1 changed files with 30 additions and 0 deletions
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30
wp-includes/author-template.php
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@ -368,4 +368,34 @@ function wp_list_authors($args = '') {
echo $return;
}
/**
* Does this site have more than one author
*
* Checks to see if more than one author has published posts.
*
* @since 3.2
* @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') ) ) {
$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');
}
return (bool) $is_multi_author;
}
/**
* Helper function to clear the cache for number of authors.
*
* @private
*/
function __clear_multi_author_cache() {
wp_cache_delete('is_multi_author', 'posts');
}
add_action('transition_post_status', '__clear_multi_author_cache');
?>