captcha fonts

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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

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

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

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

Example of the CI framework verification code CAPTCHA auxiliary function usage, cicaptcha_PHP tutorial

Example of the CI framework verification code CAPTCHA auxiliary function usage, cicaptcha. Examples of CI framework verification code CAPTCHA auxiliary function usage. This document describes the use of the CI framework verification code CAPTCHA

Example of CI framework Verification Code CAPTCHA auxiliary function usage

This article mainly introduces the use of CAPTCHA auxiliary function in the CI framework verification code, and describes in detail how to implement the verification code based on CAPTCHA auxiliary function in the form of an instance. For more

Example of the CI framework Verification Code CAPTCHA auxiliary function usage, cicaptcha

Example of the CI framework Verification Code CAPTCHA auxiliary function usage, cicaptcha This article describes how to use the CAPTCHA helper function of the CI framework verification code and shares it with you for your reference. The details are

CI Framework Verification Code CAPTCHA Example _php instance of auxiliary function usage

This paper illustrates the use of CI frame Verification Code captcha auxiliary function, and share it for everyone's reference. Specifically as follows: Using the Captcha helper function is very convenient to generate the verification code, but the

C # Generate CAPTCHA program _php tutorial

Code:Using System;Using System.Data;Using System.Configuration;Using System.Collections;Using System.Web;Using System.Web.Security;Using System.Web.UI;Using System.Web.UI.WebControls;Using System.Web.UI.WebControls.WebParts;Using

A tutorial for writing scripts that generate CAPTCHA code in Python

In web development often use verification code, in order to prevent the registration of robots or malicious login and query, etc., the role should not be underestimated But the verification code is not a function can be done, it needs to generate

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