function resizeImage($image,$width,$height,$scale) {
$newImageWidth = ceil($width * $scale);
$newImageHeight = ceil($height * $scale);
$newImage = imagecreatetruecolor($newImageWidth,$newImageHeigh t);
$source = imagecreatefromjpeg($image);
imagecopyresampled($newImage,$source,0,0,0,0,$newI mageWidth,$newImageHeight,$width,$height);
imagejpeg($newImage,$image,90);
chmod($image, 0777);
return $image;
}
questa funzione mi ridimensiona l'immagine
invece io voglio farne una copia