apply_filters( 'signup_site_meta', array $meta, string $domain, string $path, string $title, string $user, string $user_email, string $key )

816<?php817	 * @param string $path       The requested path.818	 * @param string $title      The requested site title.819	 * @param string $user       The user's requested login name.820	 * @param string $user_email The user's email address.821	 * @param string $key        The user's activation key.822	 */823	$meta = apply_filters( 'signup_site_meta', $meta, $domain, $path, $title, $user, $user_email, $key );824 825	$wpdb->insert(826		$wpdb->signups,827		array(828			'domain'         => $domain,829			'path'           => $path,