rewind($this->ar);
}
function valid()
{
return !is_null(key($this->ar));
}
function key()
{
return key($this->ar);
}
function current()
{
return current($this->ar);
}
function next()
{
next($this->ar);
}
}
$a = array(1, 2, 3);
$o = newArrayIterator($a);
foreach ($o as $key => $val) {
echo "{$key} => {$va}<br/>";
}
/*output:
0 => 1
1 => 2
2 => 3
*/
<?php
// examples of iterators with foreach
$o = newArrayIterator(array(1, 2, 3));
$o->rewind();
while ($o->valid()) {
$key = $o->key();
$val = $o->current();
// somecode
$o->next();
}
$o = newArrayIterator(array(1, 2, 3));
foreach ($o as $key => $val) {
// somecode
}
