PHP code example of hpd / captcha

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

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

    

hpd / captcha example snippets

// 1. Default noise based on difficulty
$this->addNoise(200, 100);

// 2. Only change mode
$this->addNoise(200, 100, ['mode' => 'cross']);

// 3. Override xRange and yRange manually
$this->addNoise(200, 100, [
    'xRange'   => [2, 6],
    'yRange'   => [3, 7],
    'mode'     => 'horizontal',
    'density'  => 0.4,//or $this->noiseDensity
    'intensity'=> 0.7 //or $this->noiseIndensity
]);

return [
    'disable' => env('CAPTCHA_DISABLE', env('APP_ENV') !== 'production'),
    'characters' => [
        'lowercase' => 'abdefghjklmnpqrstuvwxyz', 
        'uppercase' => 'ABCDEFGHJKLMNPQRSTUVWXYZ', 
        'digits' => '23456789' // 
    ],
    'default' => [
        'length' => 5,
        'bgColor' => '#FFFFFF',
        'color' => 'multi',
        'noiseLines' => true,
        'noise' => true,
        'noiseColor' => '#FFFFFF',
        'sensitive' => false,
        'digits' => true,
        'uppercase' => true,
        'lowercase' => true,
        'alpha' => 10,
        'blur' => true,
    ],
    ...
];

protected $config;
    protected string $bgColor = "#000000";//'random'
    protected string $color = "#FFFFFF";  //'random','multi'
    protected string $noiseColor = "#FFFFFF";//'random' 
    protected bool $blur = false;
    protected int $alpha = 0; // 0 -> 1
    protected bool $noise = false;
    protected string $noiseMode = 'cross';//'vertical','horizontal','cross','random'
    protected float $noiseDensity = 0.1; // 0 -> 1.0
    protected float $noiseIntensity = 1.0; // 0 -> 1.0
    protected bool $noiseLines = false;
    protected bool $difficulty = false;
    protected int $length = 5;
    protected int $expire = 60;
    protected bool $sensitive = false;
    protected array $characters;
    protected bool $lowercase = true;
    protected bool $uppercase = false;
    protected bool $digits = false;
    protected string $fontDir = '';
    protected string $font = 'libre.ttf';
    protected int $fontSize = 24;
    protected string $type = 'string';

    captcha()// returns image
    
    captcha_get_src()// returns image source(URl)

    captcha_get_img()// returns img html element

    captcha('default')// returns image
    
    captcha_get_src('easy')// returns image source(URl)

    captcha_get_img('dark')// returns img element

    <img src="{{captcha_get_src()}}" title="Captcha" alt="Captcha">

    <div> {!!captcha_get_img()!!}</div>

    Route::post('captcha_check', function() {
         $validator = Validator::make($request->all(), [
                'captcha' => 'alidator)
                    ->withInput();
            }
   
 });

     [
        'token'=>'816fc4e459eb3bd240a58beee41e723df2d1b1f29300f2a7920cdc372f728695' 
        ,
        'image'=>'data:image/png;base64,'.$this->createBase64FromImg($this->image)
     ]

    $validator = validator()->make(request()->all(),
        ['captcha' => 'ponse()->json([
            'captcha' => 'Invalid captcha',
        ],422);

    } else {
        // continue
    }

bash
php artisan vendor:publish --tag=captcha-config