spl/tests/iterator_034.phpt

--TEST--
SPL: RecursiveIteratorIterator and break deep
--FILE--
<?php

class MyRecursiveArrayIterator extends RecursiveArrayIterator
{
    function valid(): bool
    {
        if (!parent::valid())
        {
            echo __METHOD__ . "() = false\n";
            return false;
        }
        else
        {
            return true;
        }
    }

    function getChildren(): ?RecursiveArrayIterator
    {
        echo __METHOD__ . "()\n";
        return parent::getChildren();
    }

    function rewind(): void
    {
        echo __METHOD__ . "()\n";
        parent::rewind();
    }
}

class RecursiveArrayIteratorIterator extends RecursiveIteratorIterator
{
    private $max_depth;
    private $over = 0;

    function __construct($it, $max_depth)
    {
        $this->max_depth = $max_depth;
        parent::__construct($it);
    }

    function rewind(): void
    {
        echo __METHOD__ . "() - BEGIN\n";
        parent::rewind();
        echo __METHOD__ . "() - DONE\n";
    }

    function valid(): bool
    {
        echo __METHOD__ . "()\n";
        return parent::valid();
    }

    function current(): mixed
    {
        echo __METHOD__ . "()\n";
        return parent::current();
    }

    function key(): int
    {
        echo __METHOD__ . "()\n";
        return parent::key();
    }

    function next(): void
    {
        echo __METHOD__ . "()\n";
        parent::next();
    }

    function callHasChildren(): bool
    {
        $has = parent::callHasChildren();
        $res = $this->getDepth() < $this->max_depth && $has;
        echo __METHOD__ . "(".$this->getDepth().") = ".($res?"yes":"no")."/".($has?"yes":"no")."\n";
        return $res;
    }

    function beginChildren(): void
    {
        echo __METHOD__ . "(".$this->getDepth().")\n";
        parent::beginChildren();
    }

    function endChildren(): void
    {
        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");

?>
--EXPECT--
RecursiveArrayIteratorIterator::rewind() - BEGIN
MyRecursiveArrayIterator::rewind()
RecursiveArrayIteratorIterator::callHasChildren(0) = no/no
RecursiveArrayIteratorIterator::rewind() - DONE
RecursiveArrayIteratorIterator::valid()
RecursiveArrayIteratorIterator::current()
RecursiveArrayIteratorIterator::key()
0=>a
RecursiveArrayIteratorIterator::next()
RecursiveArrayIteratorIterator::callHasChildren(0) = yes/yes
MyRecursiveArrayIterator::getChildren()
MyRecursiveArrayIterator::rewind()
RecursiveArrayIteratorIterator::beginChildren(1)
RecursiveArrayIteratorIterator::callHasChildren(1) = no/no
RecursiveArrayIteratorIterator::valid()
RecursiveArrayIteratorIterator::current()
RecursiveArrayIteratorIterator::key()
0=>ba
RecursiveArrayIteratorIterator::next()
RecursiveArrayIteratorIterator::callHasChildren(1) = yes/yes
MyRecursiveArrayIterator::getChildren()
MyRecursiveArrayIterator::rewind()
RecursiveArrayIteratorIterator::beginChildren(2)
RecursiveArrayIteratorIterator::callHasChildren(2) = no/no
RecursiveArrayIteratorIterator::valid()
RecursiveArrayIteratorIterator::current()
RecursiveArrayIteratorIterator::key()
0=>bba
RecursiveArrayIteratorIterator::next()
RecursiveArrayIteratorIterator::callHasChildren(2) = no/no
RecursiveArrayIteratorIterator::valid()
RecursiveArrayIteratorIterator::current()
RecursiveArrayIteratorIterator::key()
1=>bbb
RecursiveArrayIteratorIterator::next()
MyRecursiveArrayIterator::valid() = false
RecursiveArrayIteratorIterator::endChildren(2)
RecursiveArrayIteratorIterator::callHasChildren(1) = yes/yes
MyRecursiveArrayIterator::getChildren()
MyRecursiveArrayIterator::rewind()
RecursiveArrayIteratorIterator::beginChildren(2)
RecursiveArrayIteratorIterator::callHasChildren(2) = no/yes
RecursiveArrayIteratorIterator::valid()
RecursiveArrayIteratorIterator::current()
RecursiveArrayIteratorIterator::key()
0=>bcaa
RecursiveArrayIteratorIterator::next()
RecursiveArrayIteratorIterator::callHasChildren(2) = no/yes
RecursiveArrayIteratorIterator::valid()
RecursiveArrayIteratorIterator::current()
RecursiveArrayIteratorIterator::key()
1=>bcba
===BREAK===
===FOREND===
RecursiveArrayIteratorIterator::rewind() - BEGIN
RecursiveArrayIteratorIterator::endChildren(1)
RecursiveArrayIteratorIterator::endChildren(0)
MyRecursiveArrayIterator::rewind()
RecursiveArrayIteratorIterator::callHasChildren(0) = no/no
RecursiveArrayIteratorIterator::rewind() - DONE
===CHECK===
RecursiveArrayIteratorIterator::valid()
bool(true)
RecursiveArrayIteratorIterator::current()
bool(true)