undefined variable error help

Total: $
Notice: Undefined variable: totalCost in C:\wamp\www\shoes\stores\cart.php on line 151
0.00

<tr>
<td colspan="2">
<font face="verdana" size="1" color="black">
<a href="itemdetails.php">&lt;&lt; Keep Shopping</a></font></td>
<td colspan="2">
<font face="verdana" size="2" color="black">
<b>Total: $<?php echo number_format($totalCost, 2, ".", ","); ?></b>// line 151 
</font></td>
</tr>
<tr>

PHP:

What could that be and where could I define it

 

Just say $totalCost = ''; somewhere before you call it in numberformat (or anywhere else before it's defined). strictly speaking you don't have to, it's only a warning. or you could say

@number_format($totalCost, 2, ".", ",");

PHP:

or at the start of your php script you could use:

error_reporting(0);

PHP:

 

Use isset($totalCost) to check if it is defined or not. If yes then put ur code else do something else.

 

You should give more info about the page / script. What are you trying to do ? Where io you calculate $totalCost ?