<?php
/* (C) Websplosion LLC, 2001-2021

IMPORTANT: This is a commercial software product
and any kind of using it must agree to the Websplosion's license agreement.
It can be found at http://www.chameleonsocial.com/license.doc

This notice may not be removed from the source code. */

function is_image($filename) {
  $ext = strtolower(strrchr($filename, "."));
  return ($ext == ".jpg" || $ext == ".jpeg" || $ext == ".png" || $ext == ".gif");
}

function get_image($imgfile) {
	$ext = strtolower(substr(strrchr($imgfile, "."), 1));
	if ($ext == "jpg" || $ext == "jpeg") {
		return imagecreatefromjpeg($imgfile);
	} else if ($ext == "gif") {
		return imagecreatefromgif($imgfile);
	} else if ($ext == "png") {
		return imagecreatefrompng($imgfile);
	} else {
		return false;
	}
}

?>