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-rw-r--r--requirements/index.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/requirements/index.php b/requirements/index.php
index 2fbbcc48..d9a68dac 100644
--- a/requirements/index.php
+++ b/requirements/index.php
@@ -229,7 +229,7 @@ function getPreferredLanguage()
{
$langs=getUserLanguages();
$lang=explode('-',$langs[0]);
- if(empty($lang[0]) || !ctype_alpha($lang[0]))
+ if(empty($lang[0]) || !function_exists('ctype_alpha') || !ctype_alpha($lang[0]))
$language='en';
else
$language=$lang[0];