Form with Captcha in ZF2 demo

This demo show you how to use ZF2 Captcha Form Element, There are 4 adapters:

• Dump
• Figlet
• Image
• Recaptcha

For Dump adapter, we can setup the captcha element like the following:

    
        $this->add([
                'type' => 'Zend\Form\Element\Captcha',
                'name' => 'captcha',
                'options' => [
                    'label' => 'Please type this word BACKWARDS',
                    'captcha' => [
                        'class'   => 'Dump',
                        'options' => [],
                    ],
                ],
        ]);
    

For Figlet adapter, we can setup the captcha element like the following:

    
        $this->add([
                'type' => 'Zend\Form\Element\Captcha',
                'name' => 'captcha',
                'options' => [
                    'label' => 'Please verify you are human.',
                    'captcha' => [
                        'class'   => 'Figlet',
                        'options' => [
                            'outputWidth' => 80,
                            'wordLen' => 7,
                        ],
                    ],
                ],
        ]);
    

For Image adapter, we can setup the captcha element like the following:

    
        $this->add([
                'type' => 'Zend\Form\Element\Captcha',
                'name' => 'captcha',
                'options' => [
                    'label' => 'Please verify you are human.',
                    'captcha' => [
                        'class'   => 'Image',
                        'options' => [
                            'font' => __DIR__ . '/../assets/fonts/arial.ttf',
                            'width' => 200,
                            'height' => 100,
                            'dotNoiseLevel' => 40,
                            'lineNoiseLevel' => 3,
                            'imgDir' => '/path/to/image/captcha/will/be/generated'
                        ],
                    ],
                ],
        ]);
    

By the way, you can find other examples using Zend Framework 2 in our home page :)