Hi,
Learning PHP code; playing with various methods of generating captcha
codes:
In the code below, how would I change the size of the text displayed in
the captcha code?
Is it even possible with this method?
TIA,
Twayne
--------------------------
<?php
session_start();
$width = 120;
$height = 40;
$length = 5;
$baseList = '23456789abcdfghjkmnpqrstvwxyzABCDEFGHIJKLMNPQRSTU VWXYZ';
$code = "";
$counter = 0;
$image = @imagecreate($width, $height) or die('Cannot initialize GD!');
for( $i=0; $i<10; $i++ ) {
imageline($image,
mt_rand(0,$width), mt_rand(0,$height),
mt_rand(0,$width), mt_rand(0,$height),
imagecolorallocate($image, mt_rand(150,255),
mt_rand(150,255),
mt_rand(150,255)));
}
for( $i=0, $x=0; $i<$length; $i++ ) {
$actChar = substr($baseList, rand(0, strlen($baseList)-1), 1);
$x += 10 + mt_rand(0,10);
imagechar($image, mt_rand(3,5), $x, mt_rand(5,20), $actChar,
imagecolorallocate($image, mt_rand(0,155), mt_rand(0,155),
mt_rand(0,155)));
$code .= strtolower($actChar);
}
header('Content-Type: image/jpeg');
imagejpeg($image);
imagedestroy($image);
$_SESSION['securityCode'] = $code;
?>
\
---------------------------------
