}
public function fetch()
{
$val = each($this->arr);
if ($val) {
return $val['value'];
} else {
reset($this->arr);
return false;
}
}
}
//variant 1
$ob = new Phrase($str);
echo "<ul>";
while (($word = $ob->fetch()) !== false) {
echo "<li>" . $word . "</li>";
}
echo "</ul>";
//step 2
class Phrase2 implements Iterator
{
public $arr;
public function __construct($str)
{
$this->arr = explode(" ", $str);
$this->n = count($this->arr);
}
public function rewind()
{
$this->k = 0;
