Generates Captcha using GD library

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Install with composer:

composer require georgechem/captcha

Usage: (Captcha generation)

use Georgechem\Captcha\Captcha\Captcha;

require __DIR__ . '/vendor/autoload.php';
// Init session storage for Captcha - expire time can be edited (default 5 minutes)
$captcha = Captcha::getInstance();
// create end echo image with captcha
$captcha->create();

Usage: (Captcha verification)

use Georgechem\Captcha\Captcha\Captcha;

require __DIR__ . '/vendor/autoload.php';

$captcha = Captcha::getInstance();
// @Returns bool, true on success, false on failure
$captcha->verify($text);