captcha extension

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

Captcha (automatic distinction between computer and human Turing Test-completely Automated public Turing test to tell Computers and humans Apart, abbreviated as Captcha) commonly known as CAPTCHA, is a public automatic program that distinguishes

Yii built-in Captcha basically can meet most requirements, if you have special requirements for verification code, you can customize the CAPTCHA, which is mainly through the extension of ccaptchaaction to achieve, this example to customize a

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,

public class Checkcode extends HttpServlet {private static final long serialversionuid = 1l;private int width = 80;//Verification Code The width private int height = 20 of the picture; The high private int codecount = 4 of the captcha picture;

Captcha (fully automatic distinction between computer and human Turing Test-completely Automated public Turing test to tell Computers and humans Apart) is commonly known as the authentication Code, is a public automatic program that distinguishes

First make sure that the php.ini setting has not opened GD extension function, test for examplePrint_r (Gd_info ());Assuming there is a printout of the content, such as the following, the GD feature is open:Array ( [GD Version] = bundled (2.0.34

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

This article is mainly to share with you laravle5.4 data validation and user authentication implementation method, hope to help everyone. 1. Planning for routing Login Module Route::match ([' Get ', ' post '], '/admin/login ', '

In CI, the verification class can be done in this way. First, the practices in the manual are given. Attach auxiliary functionsUse the following code to load the verification code auxiliary function: $ This-> load-> helper ('captcha '); The