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Hey, doesn that mean the user can see the captcha code?

April 26, 2017captcha code mean user

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Hey, doesn that mean the user can see the captcha code?

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No. PHP session data is not saved on the user’s computer. Only a short random “cookie” is saved on the user’s computer. PHP uses that cookie to look up a session file stored on the server that contains the real details— such as the captcha code. So there’s no security hole here.