{
echo __METHOD__ . "\n";
return $this->i;
}
public function current()
{
echo __METHOD__ . "\n";
return $this->a[$this->i];
}
public function next()
{
echo __METHOD__ . "\n";
$this->i++;
}
}
$it = new LimitIterator(new NumericArrayIterator(array(12, 25, 42, 56)));
foreach ($it as $k => $v) {
var_dump($k);
var_dump($v);
}
echo "===SEEK===\n";
$it->seek(2);
echo "===LOOP===\n";
foreach (new NoRewindIterator($it) as $k => $v) {
var_dump($k);
var_dump($v);
}
?>
===DONE===
<?php
exit(0);
}
}
class SeekableNumericArrayIterator extends NumericArrayIterator implements SeekableIterator
{
public function seek($index)
{
if ($index < count($this->a)) {
$this->i = $index;
}
echo __METHOD__ . '(' . $index . ")\n";
}
}
$a = array(1, 2, 3, 4, 5);
foreach (new LimitIterator(new NumericArrayIterator($a), 1, 3) as $v) {
print "{$v}\n";
}
echo "===SEEKABLE===\n";
$a = array(1, 2, 3, 4, 5);
foreach (new LimitIterator(new SeekableNumericArrayIterator($a), 1, 3) as $v) {
print "{$v}\n";
}
echo "===SEEKING===\n";
$a = array(1, 2, 3, 4, 5);
$l = new LimitIterator(new SeekableNumericArrayIterator($a));
for ($i = 1; $i < 4; $i++) {
$l->seek($i);
print $l->current() . "\n";
}
?>
===DONE===
<?php
$it = new LimitIterator(new ArrayIterator(array(1, 2, 3, 4)), 1, 2);
foreach ($it as $k => $v) {
echo "{$k}=>{$v}\n";
var_dump($it->getPosition());
}
try {
$it->seek(0);
} catch (OutOfBoundsException $e) {
echo $e->getMessage() . "\n";
}
$it->seek(2);
var_dump($it->current());
try {
$it->seek(3);
} catch (OutOfBoundsException $e) {
echo $e->getMessage() . "\n";
}
$it->next();
var_dump($it->valid());
?>
===DONE===
<?php
exit(0);
<?php $a = array(1, 2, 3); $lt = new LimitIterator(new ArrayIterator($a)); $lt->seek(1, 1); // Should throw a warning as seek expects only 1 argument
