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<?php
include_once('Permutator.class.php');
 
 // Create a list of things to run against
 $list = array('dog', 'cat', 'horse', 'brid', 'tree');
 
 // And a callback function
 function echoit($list) {
 echo join(', ', $list) . "\n";
 }
 
 // Create a permutator
 $obj = new Permutator($list, 'echoit');
 
 echo "There are ", $obj->factors(), " possible permutations\n\n";
 
 $obj->process();
 
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