1. Go to this page and download the library: Download juliardi/yii2-captcha library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
juliardi / yii2-captcha example snippets
public function actions()
{
return [
'captcha' => [
'class' => \juliardi\captcha\CaptchaAction::class,
/**
* How many times should the same CAPTCHA be displayed. Defaults to 3.
* A value less than or equal to 0 means the test is unlimited (available since version 1.1.2).
*/
'testLimit' => 3, // int
/**
* The width of the generated CAPTCHA image. Defaults to 150.
*/
'width' => 150, // int
/**
* The height of the generated CAPTCHA image. Defaults to 40.
*/
'height' => 40, // int
/**
* The minimum & maximum length for randomly generated word. Defaults to [5, 7] | min 5 max 7.
*
* If an array is provided, the first value will be used as the minimum length and the second value will be used as the maximum length.
*
* **Note:** The minimum length must be at least 3 and the maximum length must be at most 20.
*
*/
'length' => [5, 7], // int|int[] | // Random word length will be between 5 and 7 characters
/**
* The quality of the generated JPEG image. Valid values are 1 - 100. Defaults to 80.
*/
'quality' => 80, // int
/**
* The fixed verification code. When this property is set,
*
* This is mainly used in automated tests where we want to be able to reproduce
* the same verification code each time we run the tests.
* If not set, it means the verification code will be randomly generated.
*/
// 'fixedVerifyCode' => 'testme', // string|null
],
];
}
use juliardi\captcha\Captcha;
echo Captcha::widget([
'model' => $model,
'attribute' => 'captcha',
// configure additional widget properties here
/**
* The route of the action that generates the CAPTCHA images.
* The action represented by this route must be an action of [[CaptchaAction]].
* Please refer to [[\yii\helpers\Url::toRoute()]] for acceptable formats.
*/
'captchaAction' => 'site/captcha', // string|array
/**
* HTML attributes to be applied to the CAPTCHA image tag.
* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.
*/
'imageOptions' => [], // array
/**
* The template for arranging the CAPTCHA image tag and the text input tag.
* In this template, the token `{image}` will be replaced with the actual image tag,
* while `{input}` will be replaced with the text input tag.
*/
'template' => '{image} {input}', // string
/**
* HTML attributes for the input tag.
* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.
*/
'options' => ['class' => 'form-control'], // array
]);
use juliardi\captcha\Captcha;
echo Captcha::widget([
'name' => 'captcha',
]);