WP_Importer

5#[AllowDynamicProperties]6class WP_Importer {7	/**8	 * Class Constructor9	 */10	public function __construct() {}11 12	/**13	 * Returns array with imported permalinks from WordPress database.14	 *15	 * @global wpdb $wpdb WordPress database abstraction object.16	 *17	 * @param string $importer_name18	 * @param string $blog_id19	 * @return array20	 */21	public function get_imported_posts( $importer_name, $blog_id ) {22		global $wpdb;23 24		$hashtable = array();25 26		$limit  = 100;27		$offset = 0;28 29		// Grab all posts in chunks.30		do {31			$meta_key = $importer_name . '_' . $blog_id . '_permalink';32			$sql      = $wpdb->prepare( "SELECT post_id, meta_value FROM $wpdb->postmeta WHERE meta_key = %s LIMIT %d,%d", $meta_key, $offset, $limit );33			$results  = $wpdb->get_results( $sql );34 35			// Increment offset.36			$offset = ( $limit + $offset );37 38			if ( ! empty( $results ) ) {39				foreach ( $results as $r ) {40					// Set permalinks into array.41					$hashtable[ $r->meta_value ] = (int) $r->post_id;42				}43			}44		} while ( count( $results ) === $limit );45 46		return $hashtable;47	}48 49	/**50	 * Returns count of imported permalinks from WordPress database.51	 *52	 * @global wpdb $wpdb WordPress database abstraction object.53	 *54	 * @param string $importer_name55	 * @param string $blog_id56	 * @return int57	 */58	public function count_imported_posts( $importer_name, $blog_id ) {59		global $wpdb;60 61		$count = 0;62 63		// Get count of permalinks.64		$meta_key = $importer_name . '_' . $blog_id . '_permalink';65		$sql      = $wpdb->prepare( "SELECT COUNT( post_id ) AS cnt FROM $wpdb->postmeta WHERE meta_key = %s", $meta_key );66 67		$result = $wpdb->get_results( $sql );68 69		if ( ! empty( $result ) ) {70			$count = (int) $result[0]->cnt;71		}72 73		return $count;74	}75 76	/**77	 * Sets array with imported comments from WordPress database.78	 *79	 * @global wpdb $wpdb WordPress database abstraction object.80	 *81	 * @param string $blog_id82	 * @return array83	 */84	public function get_imported_comments( $blog_id ) {