Exemple #1
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        return $c->solved();
    }
    public static function check()
    {
        return captcha::solved();
    }
    #-- returns string with "<img> and <input>" fields for display in your <form>
    public static function form($text = "")
    {
        $c = new easy_captcha();
        return $c->form("{$text}");
    }
}
#-- init (triggered if *this* script is called directly)
if (basename($_SERVER["SCRIPT_FILENAME"]) == basename(__FILE__) or easy_captcha_utility::canonical_path("http://ignored.xxx/{$_SERVER['REQUEST_URI']}") == easy_captcha_utility::canonical_path(CAPTCHA_BASE_URL)) {
    easy_captcha_utility::API();
}
/* base logic and data storare */
class easy_captcha
{
    #-- init data
    function __construct($id = NULL, $ignore_expiration = 0)
    {
        #-- load
        if ($this->id = $id or $this->id = preg_replace("/[^-,.\\w]+/", "", @$_REQUEST[CAPTCHA_PARAM_ID])) {
            $this->load();
        }
        #-- create new
        if (empty($this->id) || !$ignore_expiration && !$this->is_valid() && $this->log("new()", "EXPIRED", "regenerating store")) {
            $this->generate();
        }