Replaced `==` with `===` and `!=` with `!==` in /system/core
diff --git a/system/core/Utf8.php b/system/core/Utf8.php
index a6faa84..2b5a1f5 100644
--- a/system/core/Utf8.php
+++ b/system/core/Utf8.php
@@ -54,7 +54,7 @@
if (
@preg_match('/./u', 'é') === 1 // PCRE must support UTF-8
&& function_exists('iconv') // iconv must be installed
- && @ini_get('mbstring.func_overload') != 1 // Multibyte string function overloading cannot be enabled
+ && @ini_get('mbstring.func_overload') !== 1 // Multibyte string function overloading cannot be enabled
&& $CFG->item('charset') === 'UTF-8' // Application charset must be UTF-8
)
{