[SOLVED] if statements

[jakebur01]

hey my little shipping calculation has been working fine recently. But, I noticed that when you carts total is 3,534.99 it returns 5.99 for some odd reason. Could someone help me perfect this?

 

function calculate_shipping_cost()
{

// return 20.00;
  
$t_number =   number_format($_SESSION['total_price'],2);
  
if ($t_number >= 0.01 and $t_number <= 14.99) {
return 5.99;
}

else if ($t_number >= 15.00 and $t_number <= 29.99) {
return 8.99;
}
  
else if ($t_number >= 30.00 and $t_number <= 49.99) {
return 10.99;
}

else if ($t_number >= 50.00 and $t_number <= 74.99) {
return 12.99;
}

else if ($t_number >= 75.00 and $t_number <= 99.99) {
return 14.99;
}

else if ($t_number >= 100.00 and $t_number <= 149.99) {
return 16.99;
}
  
else if ($t_number >= 150.00 and $t_number <= 199.99) {
return 18.99;
}
  
else if ($t_number >= 200.00 and $t_number <= 299.99) {
return 21.99;
}

else if ($t_number >= 300.00 and $t_number <= 5000.00) {
return 28.99;
}
  
else {
return 10.00;
} 
  
}

[Yesideez]

Try adding this into your function at the top:

global $t_number;

 

That's telling PHP that you want to use that variable inside the function instead of treating it as a new variable.

 

By default variables are local to functions.

[grlayouts]

it could be the , ie 10000 instead of 10,000 may be throughing it off. are you using a shopping cart or can you provide the rest of the code?

[Yesideez]

Sorry, my bad!

 

Don't add that line, I didn't read it properly.

 

What I would do though is use echo to display the contents of $t_number so you can see what value it is. Then you'll know how its being treated.

[jakebur01]

it's a shopping cart. I think your right though. I will see if i can't find something that will remove unwanted charactors.

[Yesideez]

$t_number=str_replace(',','',$t_number);

 

That will remove all commas.

[Yesideez]

Or you can use this:

$t_number= str_replace(',','',number_format($_SESSION['total_price'],2));

[jakebur01]

That was it. It works really well now. Thank you all.

[jakebur01]

I was having similar issues when trying to do a 10 percent discount on all of my items. I believe the comma was the problem in that situation as well.