getHost()) { $asciiHost = self::idnToAsci($uri->getHost(), $options, $info); if ($asciiHost === \false) { $errorBitSet = isset($info['errors']) ? $info['errors'] : 0; $errorConstants = \array_filter(\array_keys(\get_defined_constants()), function ($name) { return \substr($name, 0, 11) === 'IDNA_ERROR_'; }); $errors = []; foreach ($errorConstants as $errorConstant) { if ($errorBitSet & \constant($errorConstant)) { $errors[] = $errorConstant; } } $errorMessage = 'IDN conversion failed'; if ($errors) { $errorMessage .= ' (errors: ' . \implode(', ', $errors) . ')'; } throw new InvalidArgumentException($errorMessage); } else { if ($uri->getHost() !== $asciiHost) { // Replace URI only if the ASCII version is different $uri = $uri->withHost($asciiHost); } } } return $uri; } /** * @param string $domain * @param int $options * @param array $info * * @return string|false */ private static function idnToAsci($domain, $options, &$info = []) { if (\preg_match('%^[ -~]+$%', $domain) === 1) { return $domain; } if (\extension_loaded('intl') && \defined('INTL_IDNA_VARIANT_UTS46')) { return \idn_to_ascii($domain, $options, \INTL_IDNA_VARIANT_UTS46, $info); } /* * The Idn class is marked as @internal. Verify that class and method exists. */ if (\method_exists(Idn::class, 'idn_to_ascii')) { return Idn::idn_to_ascii($domain, $options, Idn::INTL_IDNA_VARIANT_UTS46, $info); } throw new \RuntimeException('ext-intl or symfony/polyfill-intl-idn not loaded or too old'); } }