note 31851 added to function.key

$tab = array(); $tab[0] = 'php'; $tab[1] = '.'; $tab[2] = 'net'; // you will not enter the while // $key = 0, while will consider $key as false reset($tab); while ($key = key($tab) ) { echo $tab[$key]; next($tab); } // this will reset($tab); while (!is_null($key = key($tab) ) ) { echo $tab[$key]; next($tab); } // when key() can't return a 'key', it return NULL echo var_dump($key); -- http://www.php.net/manual/en/function.key.php http://master.php.net/manage/user-notes.php?action=edit+31851 http://master.php.net/manage/user-notes.php?action=delete+31851 http://master.php.net/manage/user-notes.php?action=reject+31851