what is called captcha in php

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balakannan
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what is called captcha in php

Post by balakannan »

can anyone help me to know about captcha in php?
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Mordred
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Re: what is called captcha in php

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Gopesh
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Re: what is called captcha in php

Post by Gopesh »

Captcha is a program used to determine whether the user is human or not.Recaptcha is the free captcha service.it is mainly used in web-forms and to prevent automated scripts like web bots...u can use this link http://www.phpjabbers.com/captcha-image ... php19.html to implement captcha .To refresh captcha image within the page use javascript functions...
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