Class XoopsCaptchaMethod

Abstract class for CAPTCHA method

Currently, there are two types of CAPTCHA forms, text and image The default mode is "text", it can be changed in the priority: 1 If mode is set through XoopsFormCaptcha::setConfig("mode", $mode), take it 2 Elseif mode is set though captcha/config.php, take it 3 Else, take "text"

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