Changing domain

';
		printf(__('Old domain: %1$s','auto-domain-changer').'
', $old);
		printf(__('New domain: %1$s','auto-domain-changer').'
', $new);
		echo '
';

		$ret = $wpdb->get_results('SHOW TABLES;');
		$tables = array();
		foreach ($ret as $row) {
			$row = get_object_vars($row);
			$tables [] = reset($row);
		}

		foreach ($tables as $t) {
			// Skip if the table name doesn't match the wordpress prefix
			if (substr($t,0,strlen($wpdb->prefix)) != $wpdb->prefix) continue;

			// Get table indices
			$ret = $wpdb->get_results('SHOW INDEX FROM '.$t);

			$id = null;
			foreach ($ret as $row) {
				$row = get_object_vars($row);
				if ($row['Key_name'] == 'PRIMARY') {
					$id = $row['Column_name'];
					break;
				} else if ($row['Non_unique'] == 0) {
					$id = $row['Column_name'];
				}
			}
			if ($id === null) {
				// No unique index found, skip table.
				printf(__('Skipping table %1$s because no unique id','auto-domain-change').'
', $t);
				continue;
			}

			printf(__('Processing table %1$s','auto-domain-change').'
', $t);


			// Process all rows
			$o = 0;
			do {
				$sql = 'SELECT * FROM ' . $t. ' LIMIT '.$o.',50;';
				$ret = $wpdb->get_results( $sql );
				foreach ($ret as $row) {
					$row = get_object_vars($row);

					$fields = array();
					$sets   = array();

					// Process all columns
					foreach ( $row as $k => $v ) {
						// Save original value
						$ov = $v;

						// Process value
						$v = $this->processValue( $v, $old, $new, $forceProtocol );

						// If value changed, replace it
						if ( $ov != $v ) {
							$sets[] = '`' . $k . '`="' . esc_sql( $v ) . '"';
						}
					}

					// Update table if we have something to set
					if ( count( $sets ) > 0 ) {
						$sql = 'UPDATE ' . $t . ' SET ' . implode( ',', $sets ) . ' WHERE `' . $id . '`=' . $row[ $id ] . ' LIMIT 1;';
						$wpdb->get_results($sql);
					}
				}

				$o += count($ret);
			} while (count($ret) > 0);
		}

		update_option('auto_domain_change-domain', $new);
		echo '