install captcha

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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

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

CAPTCHA for Laravel 5 application Generation Verification code example

1, installation We install the Captcha expansion pack via Composer: Composer require Mews/captcha Note: Using this expansion pack in Windows also requires the installation of the GD2 extension (php.ini to cancel Php_gd2.dll in the previous

WordPress Select the specified object anti-spam Comment plugin fancy captcha installation and setup

So far, Chiang has tidied up the Mini-capatcha, Myqaptcha, and the WordPress program itself with the anti-spam comment plug-in function. There is also a similar function we must have encountered, such as in 12306 to buy tickets, the choice of

PHP development framework YiiFramework tutorial (20) UI component Captcha example

PHP development framework YiiFramework tutorial (20) UI component Captcha example Captcha (a Completely Automated Turing test that distinguishes Computers from Humans-Completely automation Public Turing test to tell Computers and Humans Apart,

Laravel5.2 use Captcha to generate a verification code for Logon (session pitfall), laravel5.2captcha

Laravel5.2 use Captcha to generate a verification code for Logon (session pitfall), laravel5.2captcha Recently, a friend asked me to help with laravel's verification code login, so I did a little research. (I forgot how to use laravel) First,

20 tips for ASP. net mvc 3 Development (15th) [20 recipes for programming MVC 3]: Enable CAPTCHA)

Topics Many automatedProgramThe form is automatically submitted, causing a large amount of junk data on the Internet. To prevent this situation, we have implemented a graphic Verification Code (CAPTCHA:Completely automated public Turing test to

laravel5.2 use CAPTCHA to generate verification code (session giant pit)

recently, a friend asked me to help get the Laravel verification code landing, so a little research. (I almost forgot how to use the Laravel) first of all, install laravel do not have to repeat, my version is 5.2.45 (note: laravel5.2.6 above the

Ubuntu installation (install) pwntcha[a "captcha identification" open source program]

First, install 1.sudo apt-get install Libsdl1.2-dev Libsdl1.2debiansudo apt-get install Libsdl1.2-dev (relatively large, around 10M)sudo apt-get install Libsdl-image1.2-devsudo apt-get install Libsdl-mixer1.2-devsudo apt-get install

Ubuntu PHP server, captcha picture does not display characters, what's the

Ubuntu PHP server, captcha picture does not show characters, what's going on Ubuntu PHP server, captcha picture does not display characters, what's going on? There is a picture generated, that is, no character display. Is the character set wrong?

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