Proses Upload Image PHP

<?php

    $image = base64_decode($_POST['foto']);
    $namaimage =  rand(1, 10000);
    $tanggal = date("Y-m-d");

    $nama = "image-".$tanggal.$namaimage;

    //lokasi hasil upload image
    $targer_dir = "Foto/".$nama.".jpeg";

    if (file_put_contents($targer_dir, $image)) {
        echo json_encode(array('response'=>'Success'));
    }else{
        echo json_encode(array("response" => "Image not uploaded"));
    }

?>