Fatal error: Call to undefined function: () in /home/polocba/domains/polopositivocba.com.ar/public_html/carrito.php on line 5
subí una página asi:
Código PHP:
<?
include("shoppingcart.php");
$cart = new Cart;
$mysql_link = mysql_connect("localhost", "polocba", "123456");
$mysql_select_db("inventory", "shopping", $mysql_link) /* heh, use whatever database name you put the 2 tables under in place of kmartShopper */
?>
/* call functions like $cart->add_item and such, see the code. */ <head>
<title>Documento sin título</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body>
</body>
</html>
y en el servidor subi este php:
Código PHP:
<?
/* shoppingcart.php
*
*
*/
if(!$session && !$scid) {
$session = md5(uniqid(rand()));
SetCookie("scid", "$session", time() + 14400);
} /* last number is expiration time in seconds, 14400 sec = 4 hrs */
class Cart {
function check_item($table, $session, $product) {
$query = "SELECT * FROM $table WHERE session='$session' AND product='$product' ";
$result = mysql_query($query);
if(!$result) {
return 0;
}
$numRows = mysql_num_rows($result);
if($numRows == 0) {
return 0;
} else {
$row = mysql_fetch_object($result);
return $row->quantity;
}
}
function add_item($table, $session, $product, $quantity) {
$qty = $this->check_item($table, $session, $product);
if($qty == 0) {
$query = "INSERT INTO $table (session, product, quantity) VALUES ";
$query .= "('$session', '$product', '$quantity') ";
mysql_query($query);
} else {
$quantity += $qty;
$query = "UPDATE $table SET quantity='$quantity' WHERE session='$session' AND ";
$query .= "product='$product' ";
mysql_query($query);
}
}
function delete_item($table, $session, $product) {
$query = "DELETE FROM $table WHERE session='$session' AND product='$product' ";
mysql_query($query);
}
function modify_quantity($table, $session, $product, $quantity) {
$query = "UPDATE $table SET quantity='$quantity' WHERE session='$session' ";
$query .= "AND product='$product' ";
mysql_query($query);
}
function clear_cart($table, $session) {
$query = "DELETE FROM $table WHERE session='$session' ";
mysql_query($query);
}
function cart_total($table, $session) {
$query = "SELECT * FROM $table WHERE session='$session' ";
$result = mysql_query($query);
if(mysql_num_rows($result) > 0) {
while($row = mysql_fetch_object($result)) {
$query = "SELECT price FROM inventory WHERE product='$row->product' ";
$invResult = mysql_query($query);
$row_price = mysql_fetch_object($invResult);
$total += ($row_price->price * $row->quantity);
}
}
return $total;
}
function display_contents($table, $session) {
$count = 0;
$query = "SELECT * FROM $table WHERE session='$session' ORDER BY id ";
$result = mysql_query($query);
while($row = mysql_fetch_object($result)) {
$query = "SELECT * FROM inventory WHERE product='$row->product' ";
$result_inv = mysql_query($query);
$row_inventory = mysql_fetch_object($result_inv);
$contents["product"][$count] = $row_inventory->product;
$contents["price"][$count] = $row_inventory->price;
$contents["quantity"][$count] = $row->quantity;
$contents["total"][$count] = ($row_inventory->price * $row->quantity);
$contents["description"][$count] = $row_inventory->description;
$count++;
}
$total = $this->cart_total($table, $session);
$contents["final"] = $total;
return $contents;
}
function num_items($table, $session) {
$query = "SELECT * FROM $table WHERE session='$session' ";
$result = mysql_query($query);
$num_rows = mysql_num_rows($result);
return $num_rows;
}
function quant_items($table, $session) {
$quant = 0;
$query = "SELECT * FROM $table WHERE session='$session' ";
$result = mysql_query($query);
while($row = mysql_fetch_object($result)) {
$quant += $row->quantity;
}
return $quant;
}
}
?> con estas dos tablas en sqlque subi por el phpmyadmin:
# Table structure for table 'inventory'
#
CREATE TABLE inventory (
product tinytext NOT NULL,
quantity tinytext NOT NULL,
id int(4) DEFAULT '0' NOT NULL auto_increment,
description tinytext NOT NULL,
price float(10,2) DEFAULT '0.00' NOT NULL,
category char(1) DEFAULT '' NOT NULL,
KEY id (id),
PRIMARY KEY (id),
KEY price (price)
);
#
# Table structure for table 'shopping'
#
CREATE TABLE shopping (
session tinytext NOT NULL,
product tinytext NOT NULL,
quantity tinytext NOT NULL,
card tinytext NOT NULL,
id int(4) DEFAULT '0' NOT NULL auto_increment,
KEY id (id),
PRIMARY KEY (id)
);
Igual sería bueno que lo compactarás... ve que el mensaje te dice en qué línea está el error (5 en tu caso)... entonces mostrar el código que "redondea" dicha línea... por ejemplo, en tu caso hubieses podido mostrar solo 
...
