Fatal error: Uncaught Error: Call to undefined method Functions::get_gia_pro() in /home/namtoanvie/domains/namtoanviet.vn/public_html/libraries/class/class.Functions.php:87
Stack trace:
#0 /home/namtoanvie/domains/namtoanviet.vn/public_html/templates/product/product_tpl.php(55): Functions->showProduct()
#1 /home/namtoanvie/domains/namtoanviet.vn/public_html/templates/index.php(38): include('/home/namtoanvi...')
#2 /home/namtoanvie/domains/namtoanviet.vn/public_html/index.php(34): include('/home/namtoanvi...')
#3 {main}
thrown in /home/namtoanvie/domains/namtoanviet.vn/public_html/libraries/class/class.Functions.php on line 87