Get random elements from array

GetRandomFromArray.php

<?php
	// Get array elements from items file
	$items = file('items.txt');
	// Pick a random element from array
	$item  = array_rand($items);
	// Save chosen element to chosen file
	file_put_contents('items-chosen.txt', $items[$item], FILE_APPEND);
	// print the chosen element 
	print $items[$item];
	// unset the chosen element 
	unset($items[$item]);
	// save array after remove the chosen element
	file_put_contents('items.txt', implode('', $items));
?>