[PHP] fighting with functions

[Sara Daugherty]

I could use a little help. click on the link to see my php code for a 
project that creates an array with a list or items and their cost and 
calculates tax by using a function called getTax() and also creates a 
balance by adding the cost plus the tax in a second function called 
getBalance(). I must also create a table where the cells automatically 
load so the end result looks like this.
http://www.areawebdirectory.net/taxtable2.txt

Item          Cost          Tax          Running Total
Car          10000.00    600          10600.00
Pencil       1.00           .06            10601.06
Book        14.95         .097         10616.98
I cant seem to first be able to declare my array and succeed at naming 
the key as item and the value as price. I have attempted to use 
variations of the following with no success.

$items = array (
   0 => array ("item"=>"car","price"=>15000, "tax"=>.065 ),
   1 => array ("item"=>"pencil","price"=>1, "tax"=>.065 ),
   2 => array ("item"=>"book","price"=>14.95, "tax"=>.065)
);    

Without being able to declare the key as item and the value as price I 
am not sure how to pass these items into my function and I am riddled 
with error messages. I think my base problem is to either fix how I am 
declaring the array so I may reference "item" and "price" as I am now 
doing in my functions or learn how to change the functions accordingly.

I am also pretty sure that my functions are not quite right. I am also 
not sure how to link the right answers to get my table to print as above.

Please note that I have included a while loop after my array just to 
prove that my array is working. It is needed part of my program. I also 
have given each cell in my table some text just so I can find them when 
I have figured out how to create the right reference links.

I am sorry that I need as much help with this. Sadly I have been at this 
for almost two weeks trying to solve it.

Thanks,
Sara
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