(PHP 4, PHP 5, PHP 7)
imagecopy — Copy part of an image
$dst_im
   , resource $src_im
   , int $dst_x
   , int $dst_y
   , int $src_x
   , int $src_y
   , int $src_w
   , int $src_h
   )
   Copy a part of src_im onto
   dst_im starting at the x,y coordinates
   src_x, src_y  with
   a width of src_w and a height of
   src_h.  The portion defined will be copied
   onto the x,y coordinates, dst_x and
   dst_y.
  
dst_imDestination image link resource.
src_imSource image link resource.
dst_xx-coordinate of destination point.
dst_yy-coordinate of destination point.
src_xx-coordinate of source point.
src_yy-coordinate of source point.
src_wSource width.
src_hSource height.
   Returns TRUE on success or FALSE on failure.
  
Example #1 Cropping the PHP.net logo
<?php
// Create image instances
$src = imagecreatefromgif('php.gif');
$dest = imagecreatetruecolor(80, 40);
// Copy
imagecopy($dest, $src, 0, 0, 20, 13, 80, 40);
// Output and free from memory
header('Content-Type: image/gif');
imagegif($dest);
imagedestroy($dest);
imagedestroy($src);
?>
The above example will output something similar to:
