Version 4.6.0

system/3rd_party/php-punycode/polyfill.php

@@ -4,8 +4,21 @@
 // the IDN extension is installed. This is a small Polyfill to declare
 // that method and use the php-punycode library so that IDNs can be
 // supported in all environments
-	
-function idn_to_ascii( $string )
+
+// Punycode does not support setting flags or variants, but we specify them as parameters for compatability with the PECL function.
+// @see <a href='https://www.php.net/manual/en/function.idn-to-ascii'>PHP Documentation</a>
+
+if ( !\defined( 'IDNA_NONTRANSITIONAL_TO_ASCII' ) )
+{
+	\define( 'IDNA_NONTRANSITIONAL_TO_ASCII', 16 );
+}
+
+if ( !\defined( 'INTL_IDNA_VARIANT_UTS46' ) )
+{
+	\define( 'INTL_IDNA_VARIANT_UTS46', 1 );
+}
+
+function idn_to_ascii( $string, $flags = 0, $variant = 1, &$idna_info = null )
 {
 	$punycode = new \TrueBV\Punycode;
 	try