{
$s = $this->reduce(create_function('$s, $item', 'return array($s[0] . $s[1] . str($item), ", ");'), array('', ''));
return 'LinkedList{' . $s[0] . '}';
}
/**
* Main program.
*
* @param array $args Command-line arguments.
* @return integer Zero on success; non-zero on failure.
*/
public static function main($args)
{
printf("LinkedList main program.\n");
$status = 0;
$l1 = new LinkedList();
$l1->append(57);
$l1->append('hello');
$l1->append(NULL);
printf("%s\n", str($l1));
printf("isEmpty returns %s\n", str($l1->isEmpty()));
printf("Using reduce\n");
$l1->reduce(create_function('$sum, $item', 'printf("%s\\n", str($item));'), '');
printf("Purging\n");
$l1->purge();
printf("%s\n", str($l1));
return $status;
}
}
if (realpath($argv[0]) == realpath(__FILE__)) {
exit(LinkedList::main(array_slice($argv, 1)));
}
