php captcha code with demo

Example of Captcha Verification Code implemented by php, captcha Verification Code This example describes the Captcha Verification Code class implemented by php, which is widely used in php programming. Share it with you for your reference. The

Many of the online simulation login programs, mostly through the service program Apache and other operations, get to the verification code displayed on the page, and then fill in and then post outThis article provides a program example, the idea is

/*** Demo Login*///Initialize Variables$cookie _file ="Tmp.cookie";$login _url ="http://xxx.com/logon.php";$verify _code_url ="http://xxx.com/verifyCode.php";Echo"getting cookie...\n";$CURLJ = Curl_init ();$timeout =5;curl_setopt ($curl, Curlopt_url,

PHP Curl Demo Login Public platform, Sina Weibo instance code, curl instance Use curl to turn on the Curl configuration first, the specific way Baidu will know, turn on the curl extension. Password with MD5 encryption, which is tested successfully,

Preface Hello everyone I am: The stone is not easy, today I brought the PHP base Class Library prototype version of the teaching article, so my work line has been divided into three categories, namely: JavaScript front-end Framework (package library)

"PHP Basic Class Library" Prototype prototype teaching articles! Preface Hello everyone I am: The stone is not easy, today I brought the PHP base Class Library prototype version of the teaching article, so my work line has been divided into three

Modified a very good php verification code (supporting Chinese ). Php captcha. class. php copy code :? PhpclassCaptcha {private $ width; private $ height; private $ codeNum; private $ code; private $ im; function _ const Php verification codeCaptcha.

PHP generates a variety of common verification code and AJAX verification process, PHP Verification code AJAX Verification Verification codes are important in Web applications and are often used to prevent users from maliciously submitting forms,

Supports php verification code for Chinese letters, numbers, and custom fonts. For more information, see The code is as follows: /** Captcha Class base on php gd Lib* @ Author Design* @ Version 1.0* @ Demo* Include ('captchaclass. php ');* $

The example of this article describes the Zend Framework to generate the verification code and implement the Verification code verification function method. Share to everyone for your reference, specific as follows: Today, how to implement the