reverse.php

<?php
/**
 * reverse.php Takes a sentence as a command line argument and reverses it,
 * word by word.
 *
 * @author Christie Koehler <christiekoehler@gmail.com>
 */

if($argc > 1 && $argv[1] != '--help'){
	echo (implode(array_reverse(explode(' ', $argv[1])), ' '));
}
else {
	echo "Type in a sentence in quotes (single or double).\n";
	echo "   ex: strrev.php 'fear is the mind killer'\n";
	echo "   output: killer mind the is fear\n";
}
?>