function rewind()
{
echo "<ul>\n";
parent::rewind();
}
function beginChildren()
{
echo str_repeat(' ', $this->getDepth()) . "<ul>\n";
}
function endChildren()
{
echo str_repeat(' ', $this->getDepth()) . "</ul>\n";
}
function valid()
{
if (!parent::valid()) {
echo "<ul>\n";
return false;
}
return true;
}
}
$arr = array("a", array("ba", array("bba", "bbb"), array(array("bcaa"))), array("ca"), "d");
$obj = new RecursiveArrayIterator($arr);
$rit = new RecursiveArrayIteratorIterator($obj);
foreach ($rit as $k => $v) {
echo str_repeat(' ', $rit->getDepth() + 1) . "{$k}=>{$v}\n";
}
?>
===DONE===
<?php
$count = 10;
class RecursiveArrayIteratorIterator extends RecursiveIteratorIterator
{
function rewind()
{
echo "dummy\n";
}
function endChildren()
{
global $count;
echo $this->getDepth();
if (--$count > 0) {
// Trigger use-after-free
parent::rewind();
}
}
}
$arr = array("a", array("ba", array("bba", "bbb")));
$obj = new RecursiveArrayIterator($arr);
$rit = new RecursiveArrayIteratorIterator($obj);
foreach ($rit as $k => $v) {
echo $rit->getDepth() . "{$k}=>{$v}\n";
}
echo __METHOD__ . "(" . $this->getDepth() . ") = " . ($res ? "yes" : "no") . "/" . ($has ? "yes" : "no") . "\n";
return $res;
}
function beginChildren()
{
echo __METHOD__ . "(" . $this->getDepth() . ")\n";
parent::beginChildren();
}
function endChildren()
{
echo __METHOD__ . "(" . $this->getDepth() . ")\n";
parent::endChildren();
}
}
$p = 0;
$it = new RecursiveArrayIteratorIterator(new MyRecursiveArrayIterator(array("a", array("ba", array("bba", "bbb"), array(array("bcaa"), array("bcba"))), array("ca"), "d")), 2);
foreach ($it as $k => $v) {
if (is_array($v)) {
$v = join('', $v);
}
echo "{$k}=>{$v}\n";
if ($p++ == 5) {
echo "===BREAK===\n";
break;
}
}
echo "===FOREND===\n";
$it->rewind();
echo "===CHECK===\n";
var_dump($it->valid());
var_dump($it->current() == "a");
<?php
class RecursiveArrayIteratorIterator extends RecursiveIteratorIterator
{
function rewind()
{
echo __METHOD__ . " called \n";
parent::rewind();
}
function beginChildren()
{
echo __METHOD__ . " called \n";
}
function endChildren()
{
echo __METHOD__ . " called \n";
}
}
$arr = array("a", array("ca"));
$obj = new RecursiveArrayIterator($arr);
$rit = new RecursiveArrayIteratorIterator($obj);
echo "Rewind: \n";
$rit->rewind();
echo "\nNext:\n";
$rit->next();
$rit->next();
?>
===DONE===
<?php
exit(0);
