Re: PHP Turing test problem

hi, your problem isnt about turing tests! ,) can you explain this more detailed? dont put some output before the imageoutput to you browser. try to put this image code in an external script and call it from your script as img src. (www.php.net has nice descriptions how to do that) volker <zitiere wer="point"> > This was in Feb issue of php|arch and I still can't solve it.... > > The problem is that the IE6.0 just don't want to display picture(just the > little X-box)... > > As I see from the computer's point of view everything went well and the > picture is displayed but all I get is the X-box....I think it has > something > to do with headers... > > help anyone???? > > code----------------------------- > <html> > > <body> > > <center><h1>Turing Test</h1> > > <h2>Are you human?</h2></center> > > <?php > > // Generate a Turing Test image and output it to the browser > > function GenerateImage($token) > > { > > $iFont = 5; // Font ID > > $iSpacing = 2; // Spacing between characters > > $iDisplacement = 4; // Vertical chracter displacement > > // Establish font metric and image size > > $iCharWidth = ImageFontWidth ($iFont); > > $iCharHeight = ImageFontHeight ($iFont); > > $iWidth = strlen($token) * ($iCharWidth + $iSpacing); > > $iHeight = $iCharHeight + 2 * $iDisplacement; > > // Create the image > > > $pic = ImageCreate ($iWidth, $iHeight); > > // Allocate a background and foreground colour > > $col = ImageColorAllocate ($pic, 200, 200, 200); > > $col2 = ImageColorAllocate ($pic, 0, 0, 100); > > $col3 = ImageColorAllocate ($pic, 123, 245, 250); > > $iX=1; > > for ($i=0; $i < strlen ($token); $i++) > > { > > ImageChar ($pic, $iFont, $iX, $iDisplacement - (rand (-$iDisplacement, > $iDisplacement)), $token[$i], $col2); > > $iX += $iCharWidth + $iSpacing; > > } > > // Draw some lines > > for ($i = 0; $i < 5; $i++) > > ImageLine ($pic, > > rand (0, $iWidth / 2), > > rand (0, $iHeight / 2), > > rand ($iWidth / 2, $iWidth), > > rand ($iHeight / 2, $iHeight), > > $col3); > > ob_start(); > > ImageJPEG($pic); > > $data = ob_get_contents(); > > ob_clean(); > > ImageDestroy($pic); > > return $data; > > } > > function AdministerTest ($error = false) > > { > > // Generate a six-digit random string > > $token = (string) rand (100000, 999999); > > // Output form to the user > > if ($error) > > echo '<b>ERROR! You\'re not human!</b><p />'; > > ?> > > <img src="data:image/jpeg;base64,<?= base64_encode (GenerateImage > ($token)) > ?>"> > > <form action="<?= $_SERVER['PHP_SELF'] ?>" method=post> > > <input type="hidden" name="tok" value="<?= md5 ($token . > 'You\'ll never > break this!') ?>"> > > Please enter the combination you see in the string above: > > <input type="text" name="inp"> > > <input type="submit"> > > </form> > > <? > > } > > function CheckResults() > > { > > $token = $_POST['inp']; > > $hash = $_POST['tok']; > > if (md5 ($token . 'You\'ll never break this!') === $hash) > > { > > ?> > > <b>Congratulations! You're either human or a really smart machine! > > <? > > } > > else > > AdministerTest (true); > > } > > // If the user has not POSTed the page, then > > // administer the test. Otherwise, check the results. > > if (strcmp ($_SERVER['REQUEST_METHOD'], 'POST')) > > AdministerTest(); > > else > > CheckResults(); > > ?> > > </body> > > </html> > > > > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >