Thumbnail generation php program

Page uploaded by client:

-------------------- upload.htm ------------------ ---

method="post" action="upload.php">

Please select or enter the upload file name:



-- ------------------- upload.php -------------------

if(empty ($upfile)){

print("No file was transferred!nNo file uploaded!");

exit;

}

$image_path=$upfile;

@$image_info=getimagesize($image_path) ;

if($image_info[2]==2)

{@$image2=imagecreatefromjpeg($image_path);

}

else if($image_info[2]==1){

@$image2 =imagecreatefromgif($image_path);

}

else

if(empty($image2))

$image2_x=imagesx($image2);

$image2_y=imagesy($image2);

if($ image2_x==$image2_y){

$x=150;

$y=0;

}

else if($image2_x>$image2_y){

$x=150;

$y=intval( 150*$image2_y/$image2_x);

}

else{

$y=150;

$x=intval(150*$image2_x/$image2_y);

}

$image1=imagecreate($ x,$y);

imagecopyresized($image1,$image2,0,0,0,0,$x,$y,$image2_x,$image2_y);

imagegif($image1,"new.gif") ;

?>