function getImages (){
$imgarr = array ();
if (is_dir ($GLOBALS['imagesfolder'])){
$mydir = scandir ($GLOBALS['imagesfolder']);

for ($i = 0; $i < count ($mydir); $i++){

if (is_file ($GLOBALS['imagesfolder'] . "/" . $mydir[$i])){

$thepath = pathinfo ($GLOBALS['imagesfolder'] . "/" . $mydir[$i]);
if (in_array ($thepath['extension'], $GLOBALS['allowedfiletypes'])){
$imgarr[] = $mydir[$i];
}
}
}
}
return ($imgarr);
}