Software: Apache/2.2.3 (CentOS). PHP/5.1.6 

uname -a: Linux mx-ll-110-164-51-230.static.3bb.co.th 2.6.18-194.el5PAE #1 SMP Fri Apr 2 15:37:44
EDT 2010 i686 

uid=48(apache) gid=48(apache) groups=48(apache) 

Safe-mode: OFF (not secure)

/var/www/html/mis2222/ealumni/   drwxr-xr-x
Free 52.32 GB of 127.8 GB (40.94%)
                            Encoder    Tools    Proc.    FTP brute    Sec.    SQL    PHP-code    Update    Feedback    Self remove    Logout    

Viewing file:     captcha.php (1.19 KB)      -rwxr-xr-x

<?php 
session_start(); 
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");  
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");  
header("Cache-Control: no-store, no-cache, must-revalidate");  
header("Cache-Control: post-check=0, pre-check=0", false); 
header("Pragma: no-cache");  

function _generateRandom($length=6) 
{ 
    $_rand_src = array( 
        array(48,57) //digits 
        , array(97,122) //lowercase chars 
//        , array(65,90) //uppercase chars 
    ); 
    srand ((double) microtime() * 1000000); 
    $random_string = ""; 
    for($i=0;$i<$length;$i++){ 
        $i1=rand(0,sizeof($_rand_src)-1); 
        $random_string .= chr(rand($_rand_src[$i1][0],$_rand_src[$i1][1])); 
    } 
    return $random_string; 
} 

$im = @imagecreatefromjpeg("captcha.jpg");  
$rand = _generateRandom(3); 
$_SESSION['captcha_s'] = $rand; 
ImageString($im, 5, 2, 2, $rand[0]." ".$rand[1]." ".$rand[2]." ", ImageColorAllocate ($im, 0, 0, 0)); 
$rand = _generateRandom(3); 
ImageString($im, 5, 2, 2, " ".$rand[0]." ".$rand[1]." ".$rand[2], ImageColorAllocate ($im, 255, 0, 0));

Header ('Content-type: image/jpeg'); 
imagejpeg($im,NULL,100); 
ImageDestroy($im); 
?>