#
$startedCharacter = False;
#
$highestY = 10000;
#
$lowestY = 0;
#
$count = 0;
#
for($x=0;$x<$width;$x++)
#
{
#
        $hasBlack = False;
#
        for($y=0;$y<$height;$y++)
#
        {
#
                if(imagecolorat($captcha,$x,$y) == 0)
#
                {
#
                        $hasBlack = True;
#
                        if($y<$highestY){
#
                                $highestY = $y;
#
                        }
#
                        if($y>$lowestY){
#
                                $lowestY = $y;
#
                        }
#
                        $eax = $y;
#
                        if(!$startedCharacter)
#
                        {
#
                       
#
                                $data["x1"] = $x;
#
                                $data["y1"] = $y;
#
                                $startedCharacter = True;
#
                        }
#
                }
#
               
#
        }
#
       
#
        if(($startedCharacter) && (!$hasBlack))
#
        {
#
                $data["x2"] = $x;
#
                $data["y2"] = $eax;
#
                $newWidth = $data["x2"] - $data["x1"];
#
                $newHeight = $lowestY - $highestY;
#
                $croppedLetter = imagecreate($newWidth,$newHeight);
#
                imagecopy($croppedLetter,$captcha,0,0,$data["x1"],$highestY,$width,$newHeight);
#
 
#
                $captchas[] = $croppedLetter;
#
 
#
                imagepng($croppedLetter,"tmp-$count.png");
#
 
#
                //imagerectangle($captcha,$data["x1"],$lowestY,$data["x2"],$highestY,"#FFFFFF");
#
                $startedCharacter = False;
#
                $highestY = 10000;
#
                $lowestY = 0;
#
                $count++;
#
        }
#
 
#
}