Changes in trunk/wp-includes/author-template.php [17100:18268]

File:

• trunk/wp-includes/author-template.php (modified) (2 diffs)

trunk/wp-includes/author-template.php

@@ -204 +204 @@
 
     global $authordata;
+    if ( !is_object( $authordata ) )
+        return false;
     $link = sprintf(
-        '<a href="%1$s" title="%2$s">%3$s</a>',
+        '<a href="%1$s" title="%2$s" rel="author">%3$s</a>',
         get_author_posts_url( $authordata->ID, $authordata->user_nicename ),
         esc_attr( sprintf( __( 'Posts by %s' ), get_the_author() ) ),
@@ -367 +369 @@
 }
 
+/**
+ * Does this site have more than one author
+ *
+ * Checks to see if more than one author has published posts.
+ *
+ * @since 3.2.0
+ * @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');
+
 ?>