Ticket #10668: extend_get_comments.10668.diff

wp-includes/comment.php

@@ -182 +182 @@
 function get_comments( $args = '' ) {
         global $wpdb;
 
-        $defaults = array('status' => '', 'orderby' => 'comment_date_gmt', 'order' => 'DESC', 'number' => '', 'offset' => '', 'post_id' => 0);
+        $defaults = array(
+                'author_email' => '',
+                'ID' => '',
+                'karma' => '',
+                'number' => '', 
+                'offset' => '', 
+                'orderby' => '', 
+                'order' => 'DESC', 
+                'parent' => '',
+                'post_ID' => '',
+                'post_id' => 0,
+                'status' => '', 
+                'type' => '',
+                'user_id' => '',
+        );
 
         $args = wp_parse_args( $args, $defaults );
         extract( $args, EXTR_SKIP );
@@ -215 +229 @@
 
         $order = ( 'ASC' == $order ) ? 'ASC' : 'DESC';
 
-        $orderby = 'comment_date_gmt';  // Hard code for now
+        if ( ! empty( $orderby ) ) {
+                $ordersby = is_array($orderby) ? $orderby : preg_split('/[,\s]/', $orderby);
+                $ordersby = array_intersect(
+                        $ordersby, 
+                        array(
+                                'comment_agent',
+                                'comment_approved',
+                                'comment_author',
+                                'comment_author_email',
+                                'comment_author_IP',
+                                'comment_author_url',
+                                'comment_content',
+                                'comment_date',
+                                'comment_date_gmt',
+                                'comment_ID',
+                                'comment_karma',
+                                'comment_parent',
+                                'comment_post_ID',
+                                'comment_type',
+                                'user_id',
+                        )
+                );
+                $orderby = empty( $ordersby ) ? 'comment_date_gmt' : implode(', ', $ordersby);
+        } else {
+                $orderby = 'comment_date_gmt';
+        }
 
         $number = absint($number);
         $offset = absint($offset);
@@ -230 +269 @@
                 $number = '';
         }
 
+        $post_where = '';
+
         if ( ! empty($post_id) )
-                $post_where = $wpdb->prepare( 'comment_post_ID = %d AND', $post_id );
-        else
-                $post_where = '';
+                $post_where .= $wpdb->prepare( 'comment_post_ID = %d AND ', $post_id );
+        if ( '' !== $author_email ) 
+                $post_where .= $wpdb->prepare( 'comment_author_email = %s AND ', $author_email );
+        if ( '' !== $karma )
+                $post_where .= $wpdb->prepare( 'comment_karma = %d AND ', $karma );
+        if ( 'comment' == $type )
+                $post_where .= "comment_type = '' AND ";
+        elseif ( ! empty( $type ) ) 
+                $post_where .= $wpdb->prepare( 'comment_type = %s AND ', $type );
+        if ( '' !== $parent )
+                $post_where .= $wpdb->prepare( 'comment_parent = %d AND ', $parent );
+        if ( '' !== $user_id )
+                $post_where .= $wpdb->prepare( 'user_id = %d AND ', $user_id );
 
         $comments = $wpdb->get_results( "SELECT * FROM $wpdb->comments WHERE $post_where $approved ORDER BY $orderby $order $number" );
         wp_cache_add( $cache_key, $comments, 'comment' );