attempt to upload csv

upload.php

//move uploaded files to the upload directory	
if (count($_FILES) > 0 && $_FILES['file1']['error'] == 0) {
	if ($_FILES['file1']['type'] == 'text/csv'){
		$upload_dir = '/vagrant/sites/codeup.dev/public/uploads/';
	    // Grab the filename from the uploaded file by using basename
	    $filename = basename($_FILES['file1']['name']);
	    // Create the saved filename using the file's original name and our upload directory
	    $saved_filename = $upload_dir . $filename;
	    // Move the file from the temp location to our uploads directory
	    move_uploaded_file($_FILES['file1']['tmp_name'], $saved_filename);

	    //add items to the todo list
	    $address_data_store2 = new AddressDataStore($saved_filename);
	    $saved_file_items = [];
	    $saved_file_items = $address_data_store2->read_address_book($saved_file_items);
	    //var_dump($saved_file_items);
	    //$saved_file_items = open_file($saved_filename);
	 	//$new_address = [];    
		// foreach ($saved_file_items as $value) {
		//  	$new_address[] = $value;
		//  } //end of foreach		
		$address_book[] = $new_address;
		//array_merge($address_book, $saved_file_items);
		var_dump($address_book);
		//$address_data_store1->write_address_book($address_book);
	    // foreach ($saved_file_items as $list_item) {
	    //     array_push($todos, $list_item); //add to the end of the array
	    // } //end of foreach
	    // saveFile($file_path, $todos); // save your file	
	} // Set the destination directory for uploads
    else{
    	$error_msg = 'Upload error: wrong file type. Must be .csv';
    } 
} //end of if to move uploaded files