PHP code example of onnov / captcha

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

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

    

onnov / captcha example snippets

    /** @var Captcha */
    protected $captcha;

    public function __construct(Captcha $captcha) {
        $this->captcha = $captcha;
    }

use Onnov\Captcha\Captcha;

$captcha = new Captcha();

/**
 * Returns CaptchaReturn Object
 *
 * @var CaptchaReturn $result
 */
$result = $captcha->getCaptcha();

// Save the value of the captcha in the session
$_SESSION['CaptchaKeyString'] = $result->getKeyString();

// Send the desired headers
foreach ($result->getHeaders() as $k => $v) {
    header($k.': '.$v);
}

// Send captcha to browser
echo $result->getImg();

use Onnov\Captcha\Font\MonsterShadowFont;
use Onnov\Captcha\CaptchaConfig;

$captchaConfig = (new CaptchaConfig())->setFonts([new MonsterShadowFont()]);
$result = $captcha
            ->setConfig($captchaConfig)
            ->getCaptcha();

use Onnov\Captcha\Font\ActionJacksonFont;
use Onnov\Captcha\Font\MonsterShadowFont;
use Onnov\Captcha\Font\Baveuse3dFont;
use Onnov\Captcha\CaptchaConfig;

$captchaConfig = (new CaptchaConfig())
            ->setFonts(
                [
                    new ActionJacksonFont(),
                    new MonsterShadowFont(),
                    new Baveuse3dFont(),
                ]
            );
$result = $captcha
            ->setConfig($captchaConfig)
            ->getCaptcha();

use Onnov\Captcha\Font\ModelFont;
use Onnov\Captcha\CaptchaConfig;

$font = (new ModelFont())
            ->setFontPath(__DIR__.'/SignboardCpsNr.ttf')
            ->setCharWidth(25)
            ->setCharHeight(30);
$captchaConfig = (new CaptchaConfig())->setFonts([$font]);
$result = $captcha
            ->setConfig($captchaConfig)
            ->getCaptcha();

use Onnov\Captcha\CaptchaConfig;

$captchaConfig = (new CaptchaConfig())->setEffects([]);
$result = $captcha
            ->setConfig($captchaConfig)
            ->getCaptcha();

use Onnov\Captcha\CaptchaConfig;
use Onnov\Captcha\Effect\WaveDistortionEffect;

$captchaConfig = (new CaptchaConfig())->setEffects([new WaveDistortionEffect()]);
$result = $captcha
            ->setConfig($captchaConfig)
            ->getCaptcha();

use Onnov\Captcha\CaptchaConfig;
use Onnov\Captcha\Effect\WaveDistortionEffect;
use Onnov\Captcha\Effect\InterferenceEffect;

$captchaConfig = (new CaptchaConfig())
            ->setEffects(
                [
                    new WaveDistortionEffect(),
                    new InterferenceEffect(),
                ]
            );
$result = $captcha
            ->setConfig($captchaConfig)
            ->getCaptcha();

use Onnov\Captcha\CaptchaConfig;
use Onnov\Captcha\Effect\InterferenceConfig;
use Onnov\Captcha\Effect\InterferenceEffect;
use Onnov\Captcha\Effect\WaveDistortionConfig;
use Onnov\Captcha\Effect\WaveDistortionEffect;

$waveDistortionConfig = (new WaveDistortionConfig())
            ->setAmplitudeStart(300)
            ->setAmplitudeEnd(500)
            ->setAmplitudeDivider(120);

$interferenceConfig = (new InterferenceConfig())
            ->setInterferenceMin(25)
            ->setInterferenceMax(35)
            ->setInterferenceSymbols(':#~');
        
$captchaConfig = (new CaptchaConfig())
            ->setEffects(
                [
                    new WaveDistortionEffect($waveDistortionConfig),
                    new InterferenceEffect($interferenceConfig),
                ]
            );

$result = $captcha
            ->setConfig($captchaConfig)
            ->getCaptcha();

use Onnov\Captcha\CaptchaConfig;

$captchaConfig = (new CaptchaConfig())
            ->setWidth(120)
            ->setHeight(70)
            ->setPadding(5)
            ->setBackgroundColor([255,255,220])
            ->setForegroundColor([0,100,100]);

$result = $captcha
            ->setConfig($captchaConfig)
            ->getCaptcha();