function wpcf7_is_email_in_site_domain($email) { if (wpcf7_is_localhost()) { return true; } $site_domain = strtolower($_SERVER['SERVER_NAME']); if (preg_match('/^[0-9.]+$/', $site_domain)) { // 123.456.789.012 return true; } if (wpcf7_is_email_in_domain($email, $site_domain)) { return true; } if (preg_match('%^https?://([^/]+)%', home_url(), $matches)) { $site_domain = strtolower($matches[1]); if ($site_domain != strtolower($_SERVER['SERVER_NAME']) && wpcf7_is_email_in_domain($email, $site_domain)) { return true; } } return false; }
function wpcf7_is_email_in_site_domain($email) { if (wpcf7_is_localhost()) { return true; } $site_domain = strtolower($_SERVER['SERVER_NAME']); if (preg_match('/^[0-9.]+$/', $site_domain)) { // 123.456.789.012 return true; } if (wpcf7_is_email_in_domain($email, $site_domain)) { return true; } $home_url = home_url(); // for interoperability with WordPress MU Domain Mapping plugin if (is_multisite() && function_exists('domain_mapping_siteurl')) { $domain_mapping_siteurl = domain_mapping_siteurl(false); if ($domain_mapping_siteurl) { $home_url = $domain_mapping_siteurl; } } if (preg_match('%^https?://([^/]+)%', $home_url, $matches)) { $site_domain = strtolower($matches[1]); if ($site_domain != strtolower($_SERVER['SERVER_NAME']) && wpcf7_is_email_in_domain($email, $site_domain)) { return true; } } return false; }