how to generate captcha in php

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Zend-based Captcha-based app _ PHP Tutorial

Zend-based Captcha mechanism. How do I generate a verification code image? Use php GD? OK, right. In fact, the Zend Captcha module has been encapsulated. This article describes how to use the Zend Captcha module. How does one generate a verification

Application of CAPTCHA mechanism based on Zend _php tutorial

How do I generate a captcha picture? Using the PHP gd? Ok,right. In fact, Zend's CAPTCHA module has been packaged well. This article explains how to use the Zend Captcha module. Environment installationFirst Zend The captcha need to install GD. See

12306 Verification Code Support Chinese alphanumeric, custom font PHP CAPTCHA code

Copy CodeThe code is as follows: /** Captcha Class base on PHP GD Lib* @author Design* @version 1.0* @demo* Include (' captchaclass.php ');* $captchaDemo =new Captcha ();* $captchaDemo->createimage ();*/Class captcha{@ Define CAPTCHA Picture

Support Chinese alphanumeric, custom font PHP captcha Program _php Tutorial

Verification code is often used for landing pages, message pages, registration page, the principle of verification code is very simple: the use of GD library to create a picture, of course, the image must add the necessary interference code, and

Zend-based Captcha mechanism application

This article introduces the application of Zend-based Captcha mechanism. For more information about how to generate a verification code image, see? Use php GD? OK, right. In fact, the Zend Captcha module has been encapsulated. This article describes

Application of CAPTCHA mechanism based on Zend _php example

How do I generate a captcha picture? Using PHP's GD? Ok,right. In fact, Zend's CAPTCHA module has been encapsulated. This article is about how to use the Zend Captcha module. Environment installationFirst Zend Captcha need to install GD. Check to

Zend-based Captcha mechanism Application

How do I generate a verification code image? Use php GD? OK, right. In fact, the Zend Captcha module has been encapsulated. This article describes how to use the Zend Captcha module. Environment InstallationFirst, GD must be installed for Zend

Laravel-5.1----Integrate mews CAPTCHA into your project!

After groping, finally can apply the verification code in Laravel 5.1.Because the English slag five levels, so almost no search for anything useful, so consider on GitHub search verification Code pack!Note: The package on GitHub often has

PHP implementation of CAPTCHA Verification code class instance, CAPTCHA verification Code _php Tutorial

PHP implementation of CAPTCHA Verification code class instance, CAPTCHA verification code This paper describes the PHP implementation of the CAPTCHA verification code class, in the PHP program design has a very wide range of applications. Share to

Laravel5.2 using CAPTCHA to generate a verification code for login

This article mainly describes the Laravel5.2 use CAPTCHA Generate verification code (session pit), the need for friends can refer to the next Recently a friend asked me to help out. Laravel's verification code landing, so a little study of a bit.

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