Jak na zmenseni vice obrazku?

<?php

function make_thumb ($img_src, $img_th)

{

 // some configuration, please match to your server settings

 $gd_version = 2;

 $thumb_on = 'x';

 $thumb_size = 100;

 $quality = 30;



 $img_size = GetImageSize ($img_src);

 $img_in = ImageCreateFromJPEG ($img_src);



 if ($thumb_on == 'y')

 {

 $img_x = ($thumb_size/$img_size[1]) * $img_size[0];

 $img_y = $thumb_size;

 }

 else

 {

 $img_y = ($thumb_size/$img_size[0]) * $img_size[1];

 $img_x = $thumb_size;

 }



 if ($gd_version == '1')

 {

 $img_out = ImageCreate($img_x, $img_y);

 ImageCopyResized ($img_out, $img_in, 0, 0, 0, 0, $img_x, $img_y, $img_size[0], $img_size[1]);

 }

 elseif ($gd_version == '2')

 {

 $img_out = ImageCreateTrueColor($img_x, $img_y);

 ImageCopyResampled ($img_out, $img_in, 0, 0, 0, 0, $img_x, $img_y, $img_size[0], $img_size[1]);

 }



 ImageJPEG ($img_out, $img_th, $quality);

 ImageDestroy ($img_out);

 ImageDestroy ($img_in);

}





if (isset ($_FILES['image']['name']))

{

 $fn = $_FILES['image']['name'];

 $src = 'images/'.$fn;

 $th = 'thumbs/'.$fn;

 if (!@move_uploaded_file ($_FILES['image']['tmp_name'], $src)) die ('Can not upload file...');

 

 make_thumb ($src, $th);

 echo "Done!<BR>Original Image:<img src="$src"><BR>Thumbnail Image:<img src="$th">";

}

?>



<form enctype="multipart/form-data" action="thumb.php" method="post">

Thumbnail this file: <input name="image" type="file">

<input type="submit" value="Send File">

</form>