How does captcha generate random code with PHP for a web site form ?

Discussion in 'PHP' started by Reflections, Sep 23, 2011.

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  1. #1
    hii All,


    i am just new to PHP so that seek for help.can any one let me know ?

    How does captcha generate random code with PHP for a web site form?


    Thanks
     
    Reflections, Sep 23, 2011 IP
  2. jevchance

    jevchance Peon

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    #2
    Captcha is a lot more complex than can be easily answered in a forum post.

    My recommendation would be to download the source code for an open source captcha system and take a look at the code.

    Here's a link to start you:
    http://www.phpcaptcha.org/
     
    jevchance, Sep 23, 2011 IP