populate_site_meta( int $site_id, array $meta = array() )

1324function populate_site_meta( $site_id, array $meta = array() ) {1325	global $wpdb;1326 1327	$site_id = (int) $site_id;1328 1329	if ( ! is_site_meta_supported() ) {1330		return;1331	}1332 1333	if ( empty( $meta ) ) {1334		return;1335	}1336 1337	/**1338	 * Filters meta for a site on creation.1339	 *1340	 * @since 5.2.01341	 *1342	 * @param array $meta    Associative array of site meta keys and values to be inserted.1343	 * @param int   $site_id ID of site to populate.1344	 */1345	$site_meta = apply_filters( 'populate_site_meta', $meta, $site_id );1346 1347	$insert = '';1348	foreach ( $site_meta as $meta_key => $meta_value ) {1349		if ( is_array( $meta_value ) ) {1350			$meta_value = serialize( $meta_value );1351		}1352		if ( ! empty( $insert ) ) {1353			$insert .= ', ';1354		}1355		$insert .= $wpdb->prepare( '( %d, %s, %s)', $site_id, $meta_key, $meta_value );1356	}1357 1358	$wpdb->query( "INSERT INTO $wpdb->blogmeta ( blog_id, meta_key, meta_value ) VALUES " . $insert ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared1359 1360	wp_cache_delete( $site_id, 'blog_meta' );1361	wp_cache_set_sites_last_changed();1362}