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Source View: wp_unique_post_slug_is_bad_hierarchical_slug

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Line Code
2788                } while ( $post_name_check );
2789                $slug = $alt_post_name;
2790           }
2791      } elseif ( in_array( $post_type, $hierarchical_post_types ) ) {
2792           // Page slugs must be unique within their own trees. Pages are in a separate
2793           // namespace than posts so page slugs are allowed to overlap post slugs.
2794           $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";
2795           $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID, $post_parent ) );
2796
2797           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 ) ) {
2798                $suffix = 2;
2799                do {
2800                     $alt_post_name = substr( $slug, 0, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
2801                     $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_ID, $post_parent ) );
2802                     $suffix++;
2803                } while ( $post_name_check );
2804                $slug = $alt_post_name;
2805           }
2806      } else {