示例#1
0
function sb_core_captcha_reload_ajax_callback()
{
    $len = isset($_POST['len']) ? $_POST['len'] : 4;
    $code = SB_PHP::random_string_number($len);
    SB_Core::set_captcha_session($code);
    $url = SB_Core::get_captcha_url();
    $url = add_query_arg(array('code' => strtotime(SB_Core::get_current_datetime())), $url);
    echo $url;
    die;
}