vendor/gregwar/captcha/CaptchaBuilder.php

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<?php

namespace Gregwar\Captcha;

use \Exception;

/**
 * Builds a new captcha image
 * Uses the fingerprint parameter, if one is passed, to generate the same image
 *
 * @author Gregwar <g.passault@gmail.com>
 * @author Jeremy Livingston <jeremy.j.livingston@gmail.com>
 */
class CaptchaBuilder implements CaptchaBuilderInterface
{
    /**
     * @var array
     */
    protected $fingerprint = array();

    /**
     * @var bool
     */
    protected $useFingerprint = false;

    /**
     * @var array
     */
    protected $textColor = null;

    /**
     * @var array
     */
    protected $backgroundColor = null;

    /**
     * @var array
     */
    protected $backgroundImages = array();

    /**
     * @var resource
     */
    protected $contents = null;

    /**
     * @var string
     */
    protected $phrase = null;

    /**
     * @var PhraseBuilderInterface
     */
    protected $builder;

    /**
     * @var bool
     */
    protected $distortion = true;