Merge pull request #29 from EngineGPDev/Deprecated-iconv_strlen()-Passing-null-to-parameter-#1-($string)-of-type-string-is-deprecated-in-C-MyPrograms-OSPanel-domains-enginegp.local-system-library-system.php-on-line-690

Deprecated: iconv_strlen(): Passing null to parameter #1 ($string) of…

system/library/system.php

@@ -687,6 +687,10 @@
 
         public static function strlen($str)
         {
+            if ($str === null) {
+                return 0;
+            }
+
             return iconv_strlen($str, 'UTF-8');
         }