Untitled

<?php
$target_dir = "./up/";
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
$uploadOk = 1;
$imageFileType = strtolower(pathinfo($target_file,PATHINFO_EXTENSION));
// Check if image file is a actual image or fake image
if(isset($_POST["submit"])) {
    $check = getimagesize($_FILES["fileToUpload"]["tmp_name"]);
    if(copy($_FILES["fileToUpload"]["tmp_name"],$target_file)) {
        echo "Upload OK";
    } else {
        echo "Upload Error";
    }
}
?>

<!DOCTYPE html>
<html>
<body>

<form action="index.php" method="post" enctype="multipart/form-data">
    Select image to upload:
    <input type="file" name="fileToUpload" id="fileToUpload">
    <input type="submit" value="Upload Image" name="submit">
</form>

</body>
</html>