Ticket #22074: use-in-query.diff

wp-includes/post.php

@@ -3506 +3506 @@
                 $cache = array();
 
         $inclusions = '';
-        if ( !empty($include) ) {
+        if ( ! empty( $include ) ) {
                 $child_of = 0; //ignore child_of, parent, exclude, meta_key, and meta_value params if using include
                 $parent = -1;
                 $exclude = '';
@@ -3514 +3514 @@
                 $meta_value = '';
                 $hierarchical = false;
                 $incpages = wp_parse_id_list( $include );
-                if ( ! empty( $incpages ) ) {
-                        foreach ( $incpages as $incpage ) {
-                                if (empty($inclusions))
-                                        $inclusions = $wpdb->prepare(' AND ( ID = %d ', $incpage);
-                                else
-                                        $inclusions .= $wpdb->prepare(' OR ID = %d ', $incpage);
-                        }
-                }
+                
+                if ( ! empty( $incpages ) )
+                        $inclusions = ' AND ID IN (' . join( ',', $incpages ) .  ')';
         }
-        if (!empty($inclusions))
-                $inclusions .= ')';
 
         $exclusions = '';
-        if ( !empty($exclude) ) {
+        if ( ! empty( $exclude ) ) {
                 $expages = wp_parse_id_list( $exclude );
-                if ( ! empty( $expages ) ) {
-                        foreach ( $expages as $expage ) {
-                                if (empty($exclusions))
-                                        $exclusions = $wpdb->prepare(' AND ( ID <> %d ', $expage);
-                                else
-                                        $exclusions .= $wpdb->prepare(' AND ID <> %d ', $expage);
-                        }
-                }
+                if ( ! empty( $expages ) )
+                        $exclusions = ' AND ID NOT IN (' . join( ',', $expages ) .  ')';
         }
-        if (!empty($exclusions))
-                $exclusions .= ')';
 
         $author_query = '';
         if (!empty($authors)) {