From 80c20dcfded0df95457acf5cd9b437d2a268bc85 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Fri, 10 May 2019 20:29:48 +0300 Subject: [ci skip] Fix #5755 --- system/libraries/Form_validation.php | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'system/libraries/Form_validation.php') diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php index 1bd55499a..fdf202010 100644 --- a/system/libraries/Form_validation.php +++ b/system/libraries/Form_validation.php @@ -1208,6 +1208,13 @@ class CI_Form_validation { $str = $matches[2]; } + // Apparently, FILTER_VALIDATE_URL doesn't reject digit-only names for some reason ... + // See https://github.com/bcit-ci/CodeIgniter/issues/5755 + if (ctype_digit($str)) + { + return FALSE; + } + // PHP 7 accepts IPv6 addresses within square brackets as hostnames, // but it appears that the PR that came in with https://bugs.php.net/bug.php?id=68039 // was never merged into a PHP 5 branch ... https://3v4l.org/8PsSN -- cgit v1.2.3-24-g4f1b