Не работает функция php move_uploaded_file

<?php
// Where the file is going to be placed 
$target_path = "uploads/";
 
/* Add the original filename to our target path.  
Result is "uploads/filename.extension" */
$target_path = $target_path . basename( $_FILES['uploadedfile']['name']);
 
echo $_FILES['uploadedfile']['name']; //название файла загруженного на сервер.
 
if(move_uploaded_file($_FILES['uploadedfile']['name'], $target_path)) {
    echo "The file ".  basename($_FILES['uploadedfile']['name']). 
    " has been uploaded";
} else{
    echo '<br> There was an error uploading the file, please try again!';
}
?>

$target_path = "uploads/";
 
 
 if($_FILES['uploadedfile']['tmp_name']) {//1
if(move_uploaded_file($_FILES['uploadedfile']['tmp_name'], $target_path.$_FILES['uploadedfile']['name'])) {
    echo "The file ".  basename($_FILES['uploadedfile']['name']). 
    " has been uploaded";
} else{
    echo '<br> There was an error uploading the file, please try again!';
}
 
 }//1