string(4) "----"
string(13) "tpl/index.tpl"
int(0)
<br />
<b>Fatal error</b>:  Uncaught Error: Undefined class constant 'SESSION_NAME' in C:\xampp\htdocs\web\class\class_user.php:115
Stack trace:
#0 C:\xampp\htdocs\web\class\class_user.php(29): user-&gt;checkLogin()
#1 C:\xampp\htdocs\web\class\class_user.php(39): user-&gt;__construct()
#2 C:\xampp\htdocs\web\index.php(17): user::getInstance()
#3 {main}
  thrown in <b>C:\xampp\htdocs\web\class\class_user.php</b> on line <b>115</b><br />