Le 7 mai 04, à 15:06, jbv a écrit :
Malte,
Hi,
now that I´ve set everything up on my machine here I´m eager to play around
with the CGI stuff. Would it be possible to keep the values stored in an
array over more than one Webpage and manipulate that array on Page 1, Page
2, etc? Do I need to use cookies for that?
you can use temp files on your server, or hidden flds on your successive webpages with the post cmd.
JB
Hello,
The second way you describe, JB, (the use of "<hidden>...</hidden>" tags in the posted Form) is the first i would recommand if the cgi/app need to interact with lots of clients in concurrent access mode. If needed, this way lets us crypt - encode/decode - the hidden tags contents from the server-side cgi/app, if we wants to preserve those datas from beeing viewed, on the client side, by reading the form source code.
About using globals on the server-side : be carefull to separe them in 3 different classes of globals (with no care about their contents and structure - arrays, not arrays). The first category of globals have to handle the cgi/app environment vars (forms headers and masks, lists of users access authorisations, etc...) to be loaded when the cgi/app starts, the second category of globals will contains the main incoming posted requests values - as "postedtag1=value1&postedtag2=value2, etc... - you can decode in as many as you need "subvars" to handle the main global of thoses posted requests values, the third category of globals will have to handle the datas to be replyied over the web or lan to the final client-side user. In handling the code trough this method, we are able to prevent any possible difficulties about the concurrent access requests.
About using temp files : because a read/write proc is always slower than getting/setting a global var, i avoid, for my own to use temp files.
Best, Pierre
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