Ticket #16854: 16854.diff

wp-includes/query.php

@@ -1387 +1387 @@
                         , 'tag'
                         , 'cat'
                         , 'tag_id'
+                        , 'author' 
                         , 'author_name'
                         , 'feed'
                         , 'tb'
@@ -1407 +1408 @@
                 }
 
                 $array_keys = array( 'category__in', 'category__not_in', 'category__and', 'post__in', 'post__not_in',
-                        'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and', 'post_parent__in', 'post_parent__not_in' );
+                        'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and', 'post_parent__in', 'post_parent__not_in', 
+                        'author__in', 'author__not_in' );
 
                 foreach ( $array_keys as $key ) {
                         if ( !isset($array[$key]) )
@@ -1448 +1450 @@
                 $qv['m'] = absint($qv['m']);
                 $qv['paged'] = absint($qv['paged']);
                 $qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // comma separated list of positive or negative integers
+                $qv['author'] = preg_replace( '|[^0-9,-]|', '', $qv['author'] ); // comma separated list of positive or negative integers 
                 $qv['pagename'] = trim( $qv['pagename'] );
                 $qv['name'] = trim( $qv['name'] );
                 if ( '' !== $qv['hour'] ) $qv['hour'] = absint($qv['hour']);
@@ -2299 +2302 @@
                 }
 
                 // Author/user stuff
-
-                if ( empty($q['author']) || ($q['author'] == '0') ) {
-                        $whichauthor = '';
-                } else {
-                        $q['author'] = (string)urldecode($q['author']);
-                        $q['author'] = addslashes_gpc($q['author']);
-                        if ( strpos($q['author'], '-') !== false ) {
-                                $eq = '!=';
-                                $andor = 'AND';
-                                $q['author'] = explode('-', $q['author']);
-                                $q['author'] = (string)absint($q['author'][1]);
-                        } else {
-                                $eq = '=';
-                                $andor = 'OR';
+        
+                if ( ! empty( $q['author'] ) && $q['author'] != '0' ) {
+                        $q['author'] = addslashes_gpc( '' . urldecode( $q['author'] ) );
+                        $authors = array_unique( array_map( 'intval', (array) preg_split( '/[,\s]+/', $q['author'] ) ) ); 
+                        foreach ( $authors as $author ) {
+                                $key = $author > 0 ? 'author__in' : 'author__not_in';
+                                $q[$key][] = abs( $author );
                         }
-                        $author_array = preg_split('/[,\s]+/', $q['author']);
-                        $_author_array = array();
-                        foreach ( $author_array as $key => $_author )
-                                $_author_array[] = "$wpdb->posts.post_author " . $eq . ' ' . absint($_author);
-                        $whichauthor .= ' AND (' . implode(" $andor ", $_author_array) . ')';
-                        unset($author_array, $_author_array);
-                }
-
+                        $q['author'] = implode( ',', $authors );
+                }
+                
+                if ( ! empty( $q['author__in'] ) ) { 
+                        $author__in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__in'] ) ) ); 
+                        $where .= " AND {$wpdb->posts}.post_author IN ($author__in) "; 
+                } 
+
+                if ( ! empty( $q['author__not_in'] ) ) { 
+                        $author__not_in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__not_in'] ) ) ); 
+                        $where .= " AND {$wpdb->posts}.post_author NOT IN ($author__not_in) "; 
+                }               
+                
                 // Author stuff for nice URLs
 
                 if ( '' != $q['author_name'] ) {