I'm using both variables called in another page. Taking globals off causes weight not to be calculated in the shipping cost?
Steve Jackson Web Developer Viola Systems Ltd. http://www.violasystems.com [EMAIL PROTECTED] Mobile +358 50 343 5159 > -----Original Message----- > From: Jason Wong [mailto:[EMAIL PROTECTED]] > Sent: 17. lokakuuta 2002 12:39 > To: [EMAIL PROTECTED] > Subject: Re: [PHP] Weight function. > > > On Thursday 17 October 2002 15:52, Steve Jackson wrote: > > Thanks. > > I have just this minute got it working. > > Basically the same function I used for determining price of > the cart > > items could be used for determining weight. All I needed to do was > > assign my DB with a field called weight and call that > instead of price > > from the DB so my calculate weight function looks like this. > > > > function calculate_weight($cart) > > { > > // sum total weight for all items in shopping cart > > global $weight; > > $weight = 0.0; > > if(is_array($cart)) > > { > > $conn = db_connect(); > > foreach($cart as $ItemCode => $qty) > > { > > $query = "select weight from products where > ItemCode='$ItemCode'"; > > $result = mysql_query($query); > > if ($result) > > { > > $item_weight = mysql_result($result, 0, "weight"); > > $weight +=$item_weight*$qty; > > } > > } > > } > > return $weight; > > See below > > > } > > > > By making $weight a global variable I then call that in my shipping > > function and set it's parameters: > > By making $weight a global variable there is no need for > "return $weight;" > inside your function. And same for "return $shipping;" below. > > > > function calculate_shipping_cost($weight) > > { > > //shipping costs calc. less than 10KG is 15 more than > 10KG currently > > 20. > > > > global $shipping; > > if ($weight <= "10000") > > $shipping = "15"; > > else > > $shipping = "20"; > > return $shipping; > > > > } > > > > I still don't fully understand why this works but am happy it does! > > -- > Jason Wong -> Gremlins Associates -> www.gremlins.com.hk > Open Source Software Systems Integrators > * Web Design & Hosting * Internet & Intranet Applications > Development * > > /* > The solution of problems is the most characteristic and > peculiar sort of voluntary thinking. > -- William James > */ > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
