Add more Strings::isHex() checks to photos

2019-05-30 10:30:15 +02:00
parent 392137b433
commit 4c5dd9f47c
2 changed files with 5 additions and 2 deletions
--- a/src/Util/Strings.php
+++ b/src/Util/Strings.php
@@ -40,7 +40,7 @@ class Strings
 	 */
    public static function isHex($hexCode)
    {
-	    return @preg_match("/^[a-f0-9]{2,}$/i", $hexCode) && !(strlen($hexCode) & 1);
+	    return !empty($hexCode) ? @preg_match("/^[a-f0-9]{2,}$/i", $hexCode) && !(strlen($hexCode) & 1) : false;
    }

    /**