1. Advertising
    y u no do it?

    Advertising (learn more)

    Advertise virtually anything here, with CPM banner ads, CPM email ads and CPC contextual links. You can target relevant areas of the site and show ads based on geographical location of the user if you wish.

    Starts at just $1 per CPM or $0.10 per CPC.

Image Verification ?

Discussion in 'PHP' started by priyakochin, Jul 6, 2008.

  1. #1
    I have created a contact form using php and ajax.can anyone plz help me to add an image verification here :

    http://galtech.org/seo/

    Is session required for CAPTA ?
     
    priyakochin, Jul 6, 2008 IP
  2. shels

    shels Peon

    Messages:
    25
    Likes Received:
    1
    Best Answers:
    0
    Trophy Points:
    0
    #2
    shels, Jul 6, 2008 IP
  3. mwasif

    mwasif Active Member

    Messages:
    816
    Likes Received:
    23
    Best Answers:
    1
    Trophy Points:
    70
    #3
    Sessions are required for captcha.
     
    mwasif, Jul 6, 2008 IP
  4. priyakochin

    priyakochin Banned

    Messages:
    4,740
    Likes Received:
    138
    Best Answers:
    0
    Trophy Points:
    0
    #4
    can u plz explain its reason ?

    So inorder to implement a Captcha I need to start a session first on the captcha display page ?

    and check whether the session is set in the validation page ?

    How can I validate a captcha ?
     
    priyakochin, Jul 6, 2008 IP
  5. mwasif

    mwasif Active Member

    Messages:
    816
    Likes Received:
    23
    Best Answers:
    1
    Trophy Points:
    70
    #5
    Normally captcha scripts start the sessions themselves. They need session to store the captcha value. Captcha compares the value in session with the user entered value.
     
    mwasif, Jul 6, 2008 IP
  6. zerofill

    zerofill Member

    Messages:
    34
    Likes Received:
    1
    Best Answers:
    0
    Trophy Points:
    45
    #6
    http://www.phpcaptcha.org/latest/latest.zip

    easy to implement and works well
     
    zerofill, Jul 6, 2008 IP
  7. priyakochin

    priyakochin Banned

    Messages:
    4,740
    Likes Received:
    138
    Best Answers:
    0
    Trophy Points:
    0
    #7
    How to compare the Captcha value and User entered value ?
     
    priyakochin, Jul 6, 2008 IP