From a280461cf6fd8c41000c0a4c0ed478c8726d9403 Mon Sep 17 00:00:00 2001
From: Michael Kaufmann <d00p@froxlor.org>
Date: Tue, 17 Nov 2020 10:39:11 +0100
Subject: [PATCH] add unicode flag for filter-validate-email (>=php7.1)

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>
---
 lib/Froxlor/Validate/Validate.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/Froxlor/Validate/Validate.php b/lib/Froxlor/Validate/Validate.php
index c43b367f..edd58587 100644
--- a/lib/Froxlor/Validate/Validate.php
+++ b/lib/Froxlor/Validate/Validate.php
@@ -256,6 +256,10 @@ class Validate
 	public static function validateEmail($email)
 	{
 		$email = strtolower($email);
+		// as of php-7.1
+		if (defined('FILTER_FLAG_EMAIL_UNICODE')) {
+			return filter_var($email, FILTER_VALIDATE_EMAIL, FILTER_FLAG_EMAIL_UNICODE);
+		}
 		return filter_var($email, FILTER_VALIDATE_EMAIL);
 	}