what is best captcha

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

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

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 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

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

First, describe the cause of the error: An exception is thrown when the spring Security interceptor is used to verify the verification code.Throw new runtimeexception ("CAPTCHA validation failed due to exception", CSE );After the front-end submits

When generating a form from a form widget at the view level, field can only exist in the database, for example: use yii\helpers\html; Use Yii\widgets\activeform; Use Yii\captcha\captcha; ' Sign-form ', ' Options ' =>[' action ' = '

PHP is a powerful web site scripting language that makes it easier to create dynamic, compelling Web pages by Php,web Web site developers. Developers can use PHP code with some site templates and frameworks to enhance functionality and features.

PHP is a powerful web site scripting language that makes it easier to create dynamic, engaging Web pages with Php,web Web site developers. Developers can use PHP code with some site templates and frameworks to enhance functionality and features.

Verification Code yesterday, today, and tomorrow Why use the verification code? Without a verification code, attackers can use harmful programs to automatically register a large number of Web Service accounts, and then attackers can use these