Fatal error: Uncaught Error: Call to undefined function each() in C:\xampp\htdocs\zkt\zklib\zklib.php:90 Stack trace: #0 C:\xampp\htdocs\zkt\zklib\zkconnect.php(9): ZKLib->createHeader(1000, 0, 0, 65534, '') #1 C:\xampp\htdocs\zkt\zklib\zklib.php(121): zkconnect(Object(ZKLib)) #2 C:\xampp\htdocs\zkt\zktest.php(12): ZKLib->connect() #3 {main} thrown in C:\xampp\htdocs\zkt\zklib\zklib.php on line 90