function form() { #-- stop if user already verified if (!empty($_COOKIE[CAPTCHA_COOKIE]) && $_COOKIE[CAPTCHA_COOKIE] == (int) (time() / 1000000)) { return ""; } $title = translate('Enter Characters Seen in Graphic'); $more = translate('Enter the correct letters and numbers from the image into the text box...'); #-- prepare image text $pw = captcha::mkpass(); $hash = captcha::hash($pw); //$alt = htmlentities(captcha::textual_riddle($pw)); $alt = $title; #-- image $img = captcha::image($pw, 200, 60, CAPTCHA_INVERSE, CAPTCHA_MAXSIZE); if (CAPTCHA_DATA_URLS && !strpos('MSIE', $_SERVER['HTTP_USER_AGENT'])) { $img_fn = 'data:image/jpeg;base64,' . base64_encode($img); } else { $img_fn = CAPTCHA_TEMP_DIR . '/' . captcha::store_image($img) . '.jpg'; } //echo $img_fn; #-- emit html form $html = ' <div class="captcha"> <fieldset style="width:420px"> <legend>' . translate('Challenge/Response') . '</legend> <table border="0" summary="captcha input" width="400px"><tr> <td colspan="2"><small>' . $more . '</small></td></tr><tr> <td><img name="captcha_image" id="captcha_image" src="' . $img_fn . '" height="60" width="200" alt="' . $alt . '" /></td> <td>' . $title . '<br /><input name="captcha_hash" type="hidden" value="' . $hash . '" /> <input name="captcha_input" type="text" size="7" maxlength="16" style="height:46px;font-size:34px; font-weight:bold;" /> </td></tr></table> </fieldset> </div> '; return $html; }