PHP code example of sameer-shelavale / multi-captcha

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

sameer-shelavale / multi-captcha example snippets

$captcha = new \MultiCaptcha\Captcha([
    'secret'=>    "your-secret-key",
] );

$captcha = new \MultiCaptcha\Captcha([
    'secret'=>    "your-secret-key",
    'life' => 2, //number of hours the generated captcha will be valid
    'customFieldName' => 'my_captcha', //this becomes the name of captcha answer field
    'options' =>  [
        'image' => [
            'maxCodeLength' => 8,
            'font'=>'../src/types/image/comic.ttf',
            'width'=>180
        ]
    ]
] );

$captcha = new \MultiCaptcha\Captcha([
    'secret'=>    "your-secret-key",
    'options' =>  [
        'ascii' => [
            'maxCodeLength' => 8,
            'fonts'=>array(
                'banner' => 4, //render with font size 4px or it becomes too big
                'doom' => 8, //render with font size 8px
                'small' =>'8' //render with font size 8px, "small" font is at src/types/ascii/fonts/small.flf
            )
        ]
    ]
] );

$captcha = new \MultiCaptcha\Captcha([
    'secret'=>    "your-secret-key",
    'options' =>  [
        'math' => array(
            'description'=> "Answer following question if you are human",
            'level' => 4
        ),
        'image' => array(
            'maxCodeLength' => 8,
            'font'=>'../src/types/image/comic.ttf',
            'width'=>180
        ),
        'ascii' => array(
            'maxCodeLength' => 8,
            'fonts'=>array(
                'banner'=> 4,
                'doom'=> 8,
                'small'=>'8'
            )
        ),
        'gif' => array(
            'maxCodeLength' => 8,
            'font'=>'../src/types/image/comic.ttf',
            'width'=>180,
            'height'=>60,
            'totalFrames'=>50,
            'delay'=>20
        )
    ]
] );

echo $captcha->render() ;

echo $captcha->refresh() ;
exit; //this is important to ensure no html is trailing the captcha

if( $captcha->validate( $_POST ){
    //do further processing, validate individual form fields
}

if( $captcha->validate( [ 'my_captcha'=>$_POST['my_captcha'], 'my_captcha_challenge'=>$_POST['my_captcha_challenge'] ] ){
    //do further processing, validate individual form fields
}

if( $captcha->validate( array_intersect_key($_POST, array_flip(['my_captcha', 'my_captcha_challenge']) ) ) ){
    //do further processing, validate individual form fields
}

$captcha = new \MultiCaptcha\Captcha([
    'secret'=>    "form1-secret-key",
    'options' =>  [
        'image' => array(
            'maxCodeLength' => 8,
            'font'=>'../src/types/image/comic.ttf',
            'width'=>180,
            'theme' => 'CustomTheme1'
        ),
        'ascii' => array(
            'maxCodeLength' => 8,
            'fonts'=>array(
                'banner'=> 4,
                'doom'=> 8,
                'small'=>'8'
            ),
            'theme' => 'CustomTheme2'
        ),
    ],
] );