Use the Captcha extension package to generate a verification code for the Laravel5 application

Use the Captcha extension package to generate a verification code for the Laravel5 application. 1. install

We use Composer to install the Captcha extension package:

composer require mews/captcha

Note: To use this extension package in Windows, you also need to install the GD2 extension (remove the comment before php_gd2.dll in php. ini ).

2. configuration

Before using the Captcha service provider, you must register the service provider in config/app. php:

'providers' => [    // ...    Mews\Captcha\CaptchaServiceProvider::class,]

Register the corresponding facade at the same time:

'aliases' => [    // ...    'Captcha' => Mews\Captcha\Facades\Captcha::class,]

If you want to use custom configuration, you can also publish the configuration file to the config Directory:

$ php artisan vendor:publish

Edit the newly generated captcha. php:

return [    'default' => [        'length' => 5,        'width' => 120,        'height' => 36,        'quality' => 90,    ],    // ...];

3. example

// app/Http/routes.phpRoute::any('captcha-test', function(){    if (Request::getMethod() == 'POST')    {        $rules = ['captcha' => 'required|captcha'];        $validator = Validator::make(Input::all(), $rules);        if ($validator->fails())        {            echo '
Incorrect!
';        }        else        {            echo '
Matched :)
';        }    }    $form = '';    return $form;});

The display effect is as follows:

To return a native image, you can call this function:

captcha();

Or

Captcha::create();

If you want to return a URL:

captcha_src();

Or

Captcha::src();

If you want to return HTML:

captcha_img();

In this example, we use this function or call the method on the Captcha facade:

Captcha::img();

To use different configuration items in the configuration file captcha. php, you can call:

captcha_img('flat');Captcha::img('inverse');