PHP8에서 나오는 Undefined array key "HTTP_USER_AGENT" 오류 수정

gnuboard · Sep 16, 2021 · b204175 · b204175
1 parent 469e1ff
commit b204175
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/common.lib.php b/lib/common.lib.php
@@ -2219,7 +2219,10 @@ function get_checked($field, $value)
 
 function is_mobile()
 {
-    return preg_match('/'.G5_MOBILE_AGENT.'/i', $_SERVER['HTTP_USER_AGENT']);
+    if (isset($_SERVER['HTTP_USER_AGENT']))
+        return  preg_match('/'.G5_MOBILE_AGENT.'/i', $_SERVER['HTTP_USER_AGENT']);
+    else
+        return '';
 }