CODE D'INSCRIPTION EN IMAGE POUR EVITER LES ROBOTS

function CreateImagecode($code){
  $img = imagecreate(115, 25);
  $black = imagecolorallocate($img, 0, 0, 0);
  $gris = imagecolorallocate($img, 155, 155, 155);
    
  imagefilledrectangle($img, 0, 0, 115, 25, imagecolorallocate($img, 255, 255, 255));
    
  for($i=0;$i<200;$i++) {
    imagesetpixel($img, rand(0,115), rand(0,25), $gris);
  }

  $ch_ar = getenv("DOCUMENT_ROOT")."/fontes/arial.ttf";
  $ch_verd = getenv("DOCUMENT_ROOT")."/fontes/verdana.ttf";

  $x = 5;
    
  for($i=0;$i<8;$i++) {
    if (rand(0,1) == 0) {$police = $chem_verd;}
    else {$police = $chem_ar;}
    ImageTTFText($img, 12, rand(-6,6), $x, rand(17,19), $black, $police, substr($code,$i,1));
    $x += rand(16,19);
  }

  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");
  imagejpeg($img, '', 35);
  imagedestroy($img);
}