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<?php
 
session_start();
 
$liste = "123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 
$code = '';
while(strlen($code) != 6) {
   $code .= $liste[mt_rand(0,36)];
}
 
$_SESSION['code']=$code; 
 
 
 
 
 
$img = imageCreate(70, 20) or die ("Problème de création GD");
 
$background_color = imagecolorallocate ($img, 238, 238, 238);
 
$ecriture_color = imagecolorallocate ($img, 0, 0, 0);
 
$code_police=5;
 
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Cache-Control: no-store, no-cache, must-revalidate');
header('Cache-Control: post-check=0, pre-check=0', false);
header("Content-type: image/jpeg");
 
imageString($img, $code_police,(70-imageFontWidth($code_police) * strlen("".$code.""))/2,0, $code,$ecriture_color);
 
 
imagejpeg($img,'',20);
 
imagedestroy($img);
 
?> | 
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