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query($sql); $row = $d->fetch_array(); $hinhanh = $row['thumb']; $data=''; $data.='

'; $data.='

'.$row['ten_'.$lang].'

'; $data.='

'; return $data; } function get_price($pid){ global $d, $row,$price; $sql = "select giaban,khuyenmai from table_product where id=$pid"; $d->query($sql); $row = $d->fetch_array(); if($row['giaban'] !=0 && $row['khuyenmai'] == 0){ $price = $row['giaban']; }elseif($row['khuyenmai'] != 0){ $save_price = $row['khuyenmai']; $special_price = $row['giaban']-$save_price; $price = $special_price; } return $price; } function remove_product($pid){ $pid=intval($pid); $max=count($_SESSION['cart']); for($i=0;$i<$max;$i++){ if($pid==$_SESSION['cart'][$i]['productid']){ unset($_SESSION['cart'][$i]); break; } } $_SESSION['cart']=array_values($_SESSION['cart']); } function get_order_total(){ $max=count($_SESSION['cart']); $sum=0; for($i=0;$i<$max;$i++){ $pid=$_SESSION['cart'][$i]['productid']; $q=$_SESSION['cart'][$i]['qty']; $price=get_price($pid); $sum+=$price*$q; } return $sum; } function get_total(){ $max=count($_SESSION['cart']); $sum=0; for($i=0;$i<$max;$i++){ $pid=$_SESSION['cart'][$i]['productid']; $q=$_SESSION['cart'][$i]['qty']; $sum+=$q; } return $sum; } function addtocart($pid,$q){ if($pid<1 or $q<1) return; if(is_array($_SESSION['cart'])){ if(product_exists($pid)) return; $max=count($_SESSION['cart']); $_SESSION['cart'][$max]['productid']=$pid; $_SESSION['cart'][$max]['qty']=$q; } else{ $_SESSION['cart']=array(); $_SESSION['cart'][0]['productid']=$pid; $_SESSION['cart'][0]['qty']=$q; } } function product_exists($pid){ $pid=intval($pid); $max=count($_SESSION['cart']); $flag=0; for($i=0;$i<$max;$i++){ if($pid==$_SESSION['cart'][$i]['productid']){ $_SESSION['cart'][$i]['qty'] +=1; $flag=1; break; } } return $flag; } ?> Thiết kế nhà xưởng