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
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