Re: cgi session cart need help

2007-10-03 Thread vipmailnow
Tom , thanks for you analysis for me. >I hope you're keeping your product data and prices in a database, with >this merely being example code. Dear Tom , yes you are correct. i am playing it for the test. the final one will keep in mysql db. the whole working code is picup from http://search.cpa

Re: cgi session cart need help

2007-10-03 Thread vipmailnow
now i figure out a way to push new value which is not originally existed in the array at the end of loop. my $idx = 0; for my $product ( @{$cart} ) { $idx= ($idx+1); $idxx=($idx-1); $product->{itemID} == $itemID or next; $finalidx=$idx;

Re: cgi session cart need help

2007-10-03 Thread vipmailnow
For Determine whether a hash value exists, i googled the internet. and found print "Value EXISTS, but may be undefined.\n" if exists $hash{ $key }; so i have a test by below code while it seems i can not get the expeacted result. (all result is value is non existed.) print "Value EXISTS, but m

Re: cgi session cart need help

2007-10-02 Thread Tom Phoenix
On 10/2/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > i am using cgi session to write a cart . > here is the partial code. If you only send part of your code, ideally you should send a part which can run on its own. That is, make a small stand-alone program which shows the problem you're hav

cgi session cart need help

2007-10-02 Thread vipmailnow
i am using cgi session to write a cart . here is the partial code. the problem is for loop will push mutiply times of same value if itemID is not exit in original array. what i want isonly push one times of value if itemid is a new value could any one here give some clue or show me the co