--TEST--
SPL: SimpleXMLIterator and overridden iterator methods()
--EXTENSIONS--
simplexml
libxml
--FILE--
<?php

$xml =<<<EOF
<?xml version='1.0'?>
<!DOCTYPE sxe SYSTEM "notfound.dtd">
<sxe id="elem1">
 Plain text.
 <elem1 attr1='first'>
  Bla bla 1.
  <!-- comment -->
  <elem2>
   Here we have some text data.
   <elem3>
    And here some more.
    <elem4>
     Wow once again.
    </elem4>
   </elem3>
  </elem2>
 </elem1>
 <elem11 attr2='second'>
  Bla bla 2.
  <elem111>
   Foo Bar
  </elem111>
 </elem11>
</sxe>
EOF;

class SXETest extends SimpleXMLIterator
{
    function rewind(): void
    {
        echo __METHOD__ . "\n";
        parent::rewind();
    }
    function valid(): bool
    {
        echo __METHOD__ . "\n";
        return parent::valid();
    }
    function current(): SimpleXMLElement
    {
        echo __METHOD__ . "\n";
        return parent::current();
    }
    function key(): string
    {
        echo __METHOD__ . "\n";
        return parent::key();
    }
    function next(): void
    {
        echo __METHOD__ . "\n";
        parent::next();
    }
    function hasChildren(): bool
    {
        echo __METHOD__ . "\n";
        return parent::hasChildren();
    }
    function getChildren(): ?SimpleXMLIterator
    {
        echo __METHOD__ . "\n";
        return parent::getChildren();
    }
}

$sxe = new SXETest($xml);
$rit = new RecursiveIteratorIterator($sxe, RecursiveIteratorIterator::SELF_FIRST);

foreach($rit as $data) {
    var_dump(get_class($data));
    var_dump(trim($data));
}

?>
--EXPECT--
SXETest::rewind
SXETest::valid
SXETest::hasChildren
SXETest::valid
SXETest::current
string(7) "SXETest"
string(10) "Bla bla 1."
SXETest::getChildren
SXETest::rewind
SXETest::valid
SXETest::hasChildren
SXETest::valid
SXETest::current
string(7) "SXETest"
string(28) "Here we have some text data."
SXETest::getChildren
SXETest::rewind
SXETest::valid
SXETest::hasChildren
SXETest::valid
SXETest::current
string(7) "SXETest"
string(19) "And here some more."
SXETest::getChildren
SXETest::rewind
SXETest::valid
SXETest::hasChildren
SXETest::valid
SXETest::current
string(7) "SXETest"
string(15) "Wow once again."
SXETest::next
SXETest::valid
SXETest::next
SXETest::valid
SXETest::next
SXETest::valid
SXETest::next
SXETest::valid
SXETest::hasChildren
SXETest::valid
SXETest::current
string(7) "SXETest"
string(10) "Bla bla 2."
SXETest::getChildren
SXETest::rewind
SXETest::valid
SXETest::hasChildren
SXETest::valid
SXETest::current
string(7) "SXETest"
string(7) "Foo Bar"
SXETest::next
SXETest::valid
SXETest::next
SXETest::valid
SXETest::valid