PHP code example of gregwar / captcha

1. Go to this page and download the library: Download gregwar/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/ */

gregwar / captcha example snippets




use Gregwar\Captcha\CaptchaBuilder;

$builder = new CaptchaBuilder;
$builder->build();




$builder->save('out.jpg');




header('Content-type: image/jpeg');
$builder->output();


<img src=" echo $builder->inline();




// Example: storing the phrase in the session to test for the user 
// input later
$_SESSION['phrase'] = $builder->getPhrase();


if($builder->testPhrase($userInput)) {
    // instructions if user phrase is good
}
else {
    // user phrase is wrong
}


use Gregwar\Captcha\CaptchaBuilder;
use Gregwar\Captcha\PhraseBuilder;

// Will build phrases of 3 characters
$phraseBuilder = new PhraseBuilder(4);

// Will build phrases of 5 characters, only digits
$phraseBuilder = new PhraseBuilder(5, '0123456789');

// Pass it as first argument of CaptchaBuilder, passing it the phrase
// builder
$captcha = new CaptchaBuilder(null, $phraseBuilder);


// Building a Captcha with the "hello" phrase
$captcha = new CaptchaBuilder('hello');