if (isset($_POST['action'])) {
$action = htmlspecialchars($_POST['action']);
if ($action == "lesscontrast") {
$image_controller->contrastImage(false, $path);
} else {
if ($action == "morecontrast") {
$image_controller->contrastImage(true, $path);
} else {
if ($action == "lessluminosity") {
$image_controller->brightnessImage(false, $path);
} else {
if ($action == "moreluminosity") {
$image_controller->brightnessImage(true, $path);
} else {
if ($action == "sepia") {
$image_controller->sepiaImage($path);
} else {
if ($action == "gray") {
$image_controller->grayImage($path);
} else {
if ($action == "blur") {
$image_controller->gaussianImage($path);
} else {
if ($action == "noise") {
$image_controller->countourImage($path);
}
}
}
}
}
}