<?php
$img = 'Image054.jpg';
$dst_img = 'output.jpg';
$size = GetImageSize($img);
$new_w = '400';
$new_h = '400';
$old_x = $size[0];
$old_y = $size[1];
print $old_x;
if ($old_x > $old_y) {
	$thumb_w=$new_w;
	$thumb_h=$old_y*($new_h/$old_x);
}
if ($old_x < $old_y) {
	$thumb_w=$old_x*($new_w/$old_y);
	$thumb_h=$new_h;
}
if ($old_x == $old_y) {
	$thumb_w=$new_w;
	$thumb_h=$new_h;
}
$dst_img = ImageCreateTrueColor($thumb_w,$thumb_h);
$image = ImageCreateFromJPEG($img);
imagecopyresampled($dst_img,$image,0,0,0,0,$thumb_w,$thumb_h,$old_x,$old_y);
imagejpeg($dst_img, null, 100);
?>