WP_Importer

10#[AllowDynamicProperties]11class WP_Importer {12 13	/**14	 * Returns array with imported permalinks from WordPress database.15	 *16	 * @global wpdb $wpdb WordPress database abstraction object.17	 *18	 * @param string $importer_name19	 * @param string $blog_id20	 * @return array21	 */22	public function get_imported_posts( $importer_name, $blog_id ) {23		global $wpdb;24 25		$hashtable = array();26 27		$limit  = 100;28		$offset = 0;29 30		// Grab all posts in chunks.31		do {32			$meta_key = $importer_name . '_' . $blog_id . '_permalink';33			$results  = $wpdb->get_results(34				$wpdb->prepare(35					"SELECT post_id, meta_value FROM $wpdb->postmeta WHERE meta_key = %s LIMIT %d,%d",36					$meta_key,37					$offset,38					$limit39				)40			);41 42			// Increment offset.43			$offset = ( $limit + $offset );44 45			if ( ! empty( $results ) ) {46				foreach ( $results as $r ) {47					// Set permalinks into array.48					$hashtable[ $r->meta_value ] = (int) $r->post_id;49				}50			}51		} while ( count( $results ) === $limit );52 53		return $hashtable;54	}55 56	/**57	 * Returns count of imported permalinks from WordPress database.58	 *59	 * @global wpdb $wpdb WordPress database abstraction object.60	 *61	 * @param string $importer_name62	 * @param string $blog_id63	 * @return int64	 */65	public function count_imported_posts( $importer_name, $blog_id ) {66		global $wpdb;67 68		$count = 0;69 70		// Get count of permalinks.71		$meta_key = $importer_name . '_' . $blog_id . '_permalink';72		$result   = $wpdb->get_results(73			$wpdb->prepare(74				"SELECT COUNT( post_id ) AS cnt FROM $wpdb->postmeta WHERE meta_key = %s",75				$meta_key76			)77		);78 79		if ( ! empty( $result ) ) {80			$count = (int) $result[0]->cnt;81		}82 83		return $count;84	}85 86	/**87	 * Sets array with imported comments from WordPress database.88	 *89	 * @global wpdb $wpdb WordPress database abstraction object.