Handmade multi-frame GIF image Verification Code _php tutorial with PHP purely hand-crafted

Source: Internet
Author: User
Effect Demo:Http://pcik.7di.net/pcik_reg

The effect of Baidu Demo:
Https://passport.baidu.com/cgi-bin/genimage? captchaservice63636236364e55367233302f31673844526b664451665a5a4d4977466974376b707a754466777934697449455561625171346c72505 5444b51734a35376d2b4f744b6d303238315341382b354675344c3153745869487252376169752b437450515138574972436752584f53717849726f48 593258666c373574593753614f4d32703831724e51722b694a31756b67467137644c30506979496639594e504931536732687a5a50537930554455424 5724f76694a307247632b4f76426165663144732b595359394950413470476453787865564f6b506e674f7537637264526d716541377a384b48744562 4f365a4774657a58502b7347703763696d5752614171615747784e5a6c5042336634766a5049766853365974444258577968645a4f654f55

Because of my level not, so do not have Baidu so florid effect, please Haihan

The captcha image is composed of multiple frames generated by PHP, so the CAPTCHA is a real animated GIF.
The way to use it is simple:
stating:
The GIF experience creates
Author:
7di.net QQ Group: 223494678
Call:

Verification:
IF (!isset ($_session[' Code ')) Or strtolower ($_session[' Code '))!=strtolower ($cod)) {
Throw New Exception (' Error: '. __line__ ', the experience is wrong! ');D IE ();
}unset ($cod, $_session[' code ');

Download Address:http://download.csdn.net/detail/sibang/5852531

http://www.bkjia.com/PHPjc/440240.html www.bkjia.com true http://www.bkjia.com/PHPjc/440240.html techarticle effect Demonstration: Http://pcik.7di.net/pcik_reg Baidu effect demonstration: Https://passport.baidu.com/cgi-bin/genimage? captchaservice63636236364e55367233302f31673844526b664451665a5a4d497746 ...

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