Security image

[Xcoder]

Hi all ich habe ein sicherheit images von en script hat das auch mit mein server einstellungen stun weil das wird nicht angeseigt hier ist die code muss ich da für wieder was bei confixx eintsellen ? danke

Server4you pluspower

<?php 

require_once( "../inc/header.inc.php" );

ob_start();
session_start();

$bgurl = rand(1, 3);
$cmd  = $CONVERT;
$cmd .= ' images/bg'.$bgurl.'.png';
$cmd .= ' -crop 200x35+'. rand(0,180) . '+' . rand(0,315);
$cmd .= ' ./images/tmp/bg'.$bgurl.'.png';

exec($cmd);


$im = "images/tmp/bg".$bgurl.".png";

$chars = array("a","A","b","B","c","C","d","D","e","E","f","F","g","G","h","H","i","I","j","J",
			   "k","K","l","L","m","M","n","N","o","O","p","P","q","Q","r","R","s","S","t","T",
			   "u","U","v","V","w","W","x","X","y","Y","z","Z","1","2","3","4","5","6","7","8","9");
$textstr = '';
for ($i = 0, $length = 8; $i < $length; $i++) {
   $textstr .= $chars[rand(0, count($chars) - 1)];
}

$hashtext = md5($textstr);
$tmpname = $hashtext.'.png';
$_SESSION['strSec'] = $hashtext;


$font = "arial.ttf";
$size = rand(24, 36);
$hexValues = array('0','1','2','3','4');
$numHex = count($hexValues);
$color = '';
for ($i = 0; $i < 6; $i++) {
	$color .= $hexValues[rand(0, $numHex-1)];
}

$gravities = array('West', 'Center', 'East');
$gravity = $gravities[rand(0, count($gravities)-1)];

$angle = rand(-10, 10);

$cmd  = $CONVERT;
$cmd .= ' -font "'.$font.'"';
$cmd .= ' -fill "#'.$color.'"';
$cmd .= ' -pointsize '.$size;
$cmd .= ' -gravity "'.$gravity.'"';
$cmd .= ' -draw \'text 1,0 "'.$textstr.'"\'';
$cmd .= ' -rotate '.$angle;
$cmd .= ' ./'.$im.' ./images/tmp/'.$tmpname;

exec($cmd);
exec('rm -f "'.$im.'"');

header("Content-Type: image/png");
print fread(fopen('./images/tmp/'.$tmpname, 'r'), filesize('./images/tmp/'.$tmpname));
 exec('rm -f "./images/tmp/'.$tmpname.'"');
  
ob_end_flush();
?>