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|
--TEST--
SPL: RecursiveIteratorIterator and beginChildren/endChildren
--FILE--
<?php
class RecursiveArrayIterator extends ArrayIterator implements RecursiveIterator
{
function hasChildren()
{
return is_array($this->current());
}
function getChildren()
{
return new RecursiveArrayIterator($this->current());
}
}
class RecursiveArrayIteratorIterator extends RecursiveIteratorIterator
{
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 exit(0); ?>
--EXPECTF--
<ul>
0=>a
<ul>
0=>ba
<ul>
0=>bba
1=>bbb
</ul>
<ul>
<ul>
0=>bcaa
</ul>
</ul>
</ul>
<ul>
0=>ca
</ul>
3=>d
<ul>
===DONE===
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