html captcha example

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

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

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

PHP implementation of CAPTCHA Verification code class instance, CAPTCHA verification code This paper describes the PHP implementation of the CAPTCHA verification code class, in the PHP program design has a very wide range of applications. Share to

PHP code for simple Verification Code identification, PHP CAPTCHA codes Always wanted to write this, after a long time today interest came to simply record. Verification Code Fully automatic distinguish between computer and human public Turing Test

This article introduces a very good code generation PHP program, first when the user requests HTTP, the server side creates a unique SessionID, this is the session ID, and then to start the GD library or ImageMagick these drawing tools, The random

Implementation of dynamic random verification code mechanism in PHPThe Verification Code (CAPTCHA) is the abbreviation for "Completely Automated public Turing test to tell Computers and humans Apart" (fully automated computer-and human-Turing test),

• Create a new PHP file captcha_code_file.php The code is as follows Copy Code Open Session FirstSession_Start ();Define foreground display verification code length & width$image _width = 120;$image _height =

PHP generates dynamic captcha GIF images, This is an example of a dynamic CAPTCHA image generated by PHP, and the point is that you can run it! The following first sent: Here are the related classes and functions that PHP needs to generate the

In PHP to generate verification code picture is quite simple, because in PHP provides us with the graphics Gd.dll Library, to enable the GD graphics library we just put PHP-GD in front of the php.ini; Method One The code is as follows