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Source View: wp_unique_post_slug_is_bad_hierarchical_slug

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Line Code
3050           }
3051      } elseif ( in_array( $post_type, $hierarchical_post_types ) ) {
3052           if ( 'nav_menu_item' == $post_type )
3053                return $slug;
3054           // Page slugs must be unique within their own trees. Pages are in a separate
3055           // namespace than posts so page slugs are allowed to overlap post slugs.
3056           $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( '" . implode( "', '", esc_sql( $hierarchical_post_types ) ) . "' ) AND ID != %d AND post_parent = %d LIMIT 1";
3057           $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID, $post_parent ) );
3058
3059           if ( $post_name_check || in_array( $slug, $feeds ) || preg_match( "@^($wp_rewrite->pagination_base)?\d+$@", $slug )  || apply_filters( 'wp_unique_post_slug_is_bad_hierarchical_slug', false, $slug, $post_type, $post_parent ) ) {
3060                $suffix = 2;
3061                do {
3062                     $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
3063                     $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_ID, $post_parent ) );
3064                     $suffix++;
3065                } while ( $post_name_check );
3066                $slug = $alt_post_name;
3067           }
3068      } else {