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|
--TEST--
SPL: LimitIterator and backward seeking
--FILE--
<?php
class NumericArrayIterator implements Iterator
{
protected $a;
protected $i = 0;
public function __construct($a)
{
echo __METHOD__ . "\n";
$this->a = $a;
}
public function valid()
{
echo __METHOD__ . "\n";
return $this->i < count($this->a);
}
public function rewind()
{
echo __METHOD__ . "\n";
$this->i = 0;
}
public function key()
{
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); ?>
--EXPECT--
NumericArrayIterator::__construct
NumericArrayIterator::rewind
NumericArrayIterator::valid
NumericArrayIterator::valid
NumericArrayIterator::current
NumericArrayIterator::key
int(0)
int(12)
NumericArrayIterator::next
NumericArrayIterator::valid
NumericArrayIterator::current
NumericArrayIterator::key
int(1)
int(25)
NumericArrayIterator::next
NumericArrayIterator::valid
NumericArrayIterator::current
NumericArrayIterator::key
int(2)
int(42)
NumericArrayIterator::next
NumericArrayIterator::valid
NumericArrayIterator::current
NumericArrayIterator::key
int(3)
int(56)
NumericArrayIterator::next
NumericArrayIterator::valid
===SEEK===
NumericArrayIterator::rewind
NumericArrayIterator::valid
NumericArrayIterator::next
NumericArrayIterator::valid
NumericArrayIterator::next
NumericArrayIterator::valid
NumericArrayIterator::valid
NumericArrayIterator::current
NumericArrayIterator::key
===LOOP===
int(2)
int(42)
NumericArrayIterator::next
NumericArrayIterator::valid
NumericArrayIterator::current
NumericArrayIterator::key
int(3)
int(56)
NumericArrayIterator::next
NumericArrayIterator::valid
===DONE===
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