jop wrote: Hi, visitors on my site complain about the used font in the image verification code.
For instant, a l,1, capital I are not that much different.
Is it possible to change the used font in the verification code?
Open the file "random.php", and replace the contents of it with the following (using notepad):
Code:
<?php
//start session
session_start();
// Set the content-type
header("Content-type: image/png");
//define your string
$string = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
//generate the code
$rand = substr(str_shuffle($string), 0, 5);
//put the md5 hash of the code into a session
$_SESSION['image_random_value'] = md5($rand);
$im = imagecreatetruecolor(100, 30);
// Create some colors
$white = imagecolorallocate($im, 255, 255, 255);
$grey = imagecolorallocate($im, 128, 128, 128);
$black = imagecolorallocate($im, 0, 0, 0);
imagefilledrectangle($im, 0, 0, 399, 29, $white);
// The text to draw
$text = $rand;
// Replace path by your own font path
$font = 'times.ttf';
// Add some shadow to the text
imagettftext($im, 20, 0, 11, 21, $grey, $font, $text);
// Add the text
imagettftext($im, 20, 0, 10, 20, $black, $font, $text);
// Using imagepng() results in clearer text compared with imagejpeg()
imagepng($im);
imagedestroy($im);
?>
Then download the following zip file, and extract the "times.ttf" font into your guestbook directory (same directory as guestbook.php file):
That should do the trick for you.
