try {
if($_FILES["file"]){
move_uploaded_file($_FILES["file"]["tmp_name"], "./img/test.jpg");
}
} catch(Exception $e){
echo "error:", $e->getMessage().PHP_EOL;
}
?>
<body>
<form action="" method="POST" enctype="multipart/form-data">
<input type="file" name="file">
<input type="submit" value="upload">
</form>
</body>