--TEST--
SimpleXML: iteration through subnodes
--EXTENSIONS--
simplexml
--FILE--
<?php
$xml =<<<EOF
<people>
   <person name="Joe">
     <child name="Ann" />
     <child name="Marray" />
   </person>
   <person name="Boe">
     <child name="Joe" />
     <child name="Ann" />
   </person>
</people>
EOF;
$xml1 =<<<EOF
<people>
   <person name="Joe">
     <child name="Ann" />
   </person>
</people>
EOF;

function print_xml($xml) {
  foreach($xml->children() as $person) {
    echo "person: ".$person['name']."\n";
    foreach($person->children() as $child) {
      echo "  child: ".$child['name']."\n";
    }
  }
}

function print_xml2($xml) {
  for ($i=0;$i<count($xml->person);$i++) {
    $person = $xml->person[$i];
    echo "person: ".$person['name']."\n";
    for ($j=0;$j<count($person->child);$j++) {
      echo "  child: ".$person->child[$j]['name']."\n";
    }
  }
}

echo "---11---\n";
print_xml(simplexml_load_string($xml));
echo "---12---\n";
print_xml(simplexml_load_string($xml1));
echo "---21---\n";
print_xml2(simplexml_load_string($xml));
echo "---22---\n";
print_xml2(simplexml_load_string($xml1));
?>
--EXPECT--
---11---
person: Joe
  child: Ann
  child: Marray
person: Boe
  child: Joe
  child: Ann
---12---
person: Joe
  child: Ann
---21---
person: Joe
  child: Ann
  child: Marray
person: Boe
  child: Joe
  child: Ann
---22---
person: Joe
  child: Ann