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render_antispam_question()

Description

Render the antispam Question form section

Parameters

This function accepts no parameters.

Location

include/render_functions.php lines 5924 to 5981

Definition

 
function render_antispam_question()
    {
    global $scramble_key, $lang;

    $rndword = array_merge(range('0', '9'), range('A', 'Z'));
    shuffle($rndword);
    $timestamp=time();
    $rndwordarray=  array_slice ($rndword , 0,6);
    $rndcode= hash("SHA256",implode("",$rndwordarray) .  $scramble_key . $timestamp);
    $height = 50; //CAPTCHA image height
    $width = 160; //CAPTCHA image width
    $font_size = 25; //CAPTCHA Font size
    $font=__DIR__. "/../gfx/fonts/vera.ttf";

    $capimage = imagecreate($width, $height);
    imagecolorallocate($capimage, 245, 245, 245);
    $textcolor = imagecolorallocate($capimage, 34, 34, 34);
    $green = ImageColorAllocate($capimage, 121, 188, 65);

    ImageRectangle($capimage,0,0,$width-1,$height-1,$green); 
    imageline($capimage, 0, $height/2, $width, $height/2, $green); 
    imageline($capimage, $width*4/5, 2, $width*4/5, $height, $green);
    imageline($capimage, $width*3/5, 2, $width*3/5, $height, $green);
    imageline($capimage, $width*2/5, 2, $width*2/5, $height, $green);
    imageline($capimage, $width/5, 2, $width/5, $height, $green);
    
    $n=0;
    foreach($rndwordarray as $rndletter)
        {
        imagefttext($capimage, $font_size,rand(-20, 20), 10 + (24*$n), rand(25, 45), $textcolor, $font, $rndletter);
        $n++;
        }
        
    ob_start();
    imagegif($capimage);
    $imagedata = ob_get_contents();
    ob_end_clean();
    ?>
    <div class="Question">
        <input type="hidden" name="antispamcode" value=" echo $rndcode; ?>">
        <input type="hidden" name="antispamtime" value=" echo $timestamp; ?>">
        <label for="antispam"> echo escape($lang["enterantispamcode"]); ?> <sup>*</sup><br>
            <div id="AntiSpamImage" style="
            margin: 5px 0;
            background: url(data:image/gif;base64, echo base64_encode($imagedata); ?>) top left no-repeat;
            height:  echo $height; ?>px;
            width:  echo $width; ?>px;
            border-radius: 6px;
            display: inline-block;
            ">    
            </div>
        </label> 
        <input type="text" name="antispam_user_code" class="stdwidth" value="">
        <input type=text name="antispam" id="antispam" class="stdwidth" value="">
        <div class="clearerleft"></div>        
    </div>
    
    }

This article was last updated 4th December 2024 08:35 Europe/London time based on the source file dated 3rd December 2024 11:55 Europe/London time.