google captcha php example

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

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

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

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

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

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 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

PHP generates an example of a picture verification code to explain, In this paper, we demonstrate 5 kinds of verification codes, and describe the function of generating verification code. PHP generated Verification code principle: Through the GD

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,

The following approach is one way: if (!function_exists (' imagecreate ')) { Die (' This server does not support GD module '); } If not, how do I configure it? Download the GD module DLL file, modify the php.ini, restart the server. the following