StackOverflow2013

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plurals

PO
primarykey
Id
1990430
data
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0
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6
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CreationDate
2010-01-02T02:43:01.067
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2010-01-02T13:35:53.693
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2010-01-02T13:35:53.693
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2974
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2974
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1990399
PostTypeId
2
Score
11
ViewCount
0
LastEditorDisplayName
text
Body
G'day, A web server, e.g. Apache, just sends back static content is response to a client request for content. For example a request for <a href="http://www.myserver.com/index.html" rel="noreferrer">http://www.myserver.com/index.html</a> typically causes the server to open the file and return the content of the file wrapped with the relevant http components. Basically CGI is a technique for generating such web pages dynamically via other applications which are run by the web server on an as-needed basis. The directory cgi-bin is typically used to house the scripts being run. Though it's heavily focused on Perl The book "<a href="http://rads.stackoverflow.com/amzn/click/1565924193" rel="noreferrer">CGI Programming with Perl</a>" has an excellent intro about CGI. Edit: As asked in the comments below, "if PHP can take care of dynamic content, then what's the need for CGI". There's a few points here. <ol> <li>out of the box, PHP can be pretty slow. CGI, especially in its mod_perl guise, or when using app's built in compiled languages,</li> <li>PHP doesn't have very strong error handling, but this can be worked around,</li> <li>I don't think that there's real support for ASP, Windows app's or DB's, and</li> <li>PHP security is a bit of a worry, e.g. having register_globals enabled, and PHP's flaws are extremely well known.</li> </ol> The design of the PHP language itself also contains many inconsistencies, e.g. <ul> <li>a fairly useless object model,</li> <li>scoping is fairly bad,</li> <li>inconsistent naming, and</li> <li>poor organisation of the standard library.</li> </ul> I believe that PHP5 goes a long way to improving these points. While security is always a concern, with CGI implementations you are able to minimise the security problem in well publicised ways. HTH cheers,
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PostParentId
1. POWhat is CGI and what are CGI Scripts?
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1. USRob Wells
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1. USRob Wells
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1. POWhat is CGI and what are CGI Scripts?
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1. VO
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