25 lines
986 B
Diff
25 lines
986 B
Diff
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From e2c9854408bc0b45206336060e28603de3371c99 Mon Sep 17 00:00:00 2001
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From: Remi Collet <remi@remirepo.net>
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Date: Thu, 12 Dec 2019 14:17:38 +0100
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Subject: [PATCH] fix Trying to access array offset on value of type int
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---
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XML/Util.php | 2 +-
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tests/IsValidNameTests.php | 24 ++++++++++++++++++++++++
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2 files changed, 25 insertions(+), 1 deletion(-)
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diff --git a/XML/Util.php b/XML/Util.php
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index df37e07..1ba45ac 100644
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--- a/XML/Util.php
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+++ b/XML/Util.php
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@@ -918,7 +918,7 @@ public static function splitQualifiedName($qname, $defaultNs = null)
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public static function isValidName($string)
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{
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// check for invalid chars
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- if (!preg_match('/^[[:alpha:]_]\\z/', $string[0])) {
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+ if (!is_string($string) || !strlen($string) || !preg_match('/^[[:alpha:]_]\\z/', $string[0])) {
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return XML_Util::raiseError(
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'XML names may only start with letter or underscore',
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XML_UTIL_ERROR_INVALID_START
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