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what is called captcha in php
Posted: Fri Apr 15, 2011 6:36 am
by balakannan
can anyone help me to know about captcha in php?
Re: what is called captcha in php
Posted: Fri Apr 15, 2011 8:02 am
by Mordred
Re: what is called captcha in php
Posted: Sat Apr 23, 2011 11:37 am
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...