<?xml version="1.0" standalone="yes"?>
<LaunchBox>
  <Game>
    <Name>Violet</Name>
    <ReleaseYear>1985</ReleaseYear>
    <MaxPlayers>1</MaxPlayers>
    <Platform>ZiNc</Platform>
  </Game>
  <Game>
    <Name>Wishbringer</Name>
    <ReleaseYear>1985</ReleaseYear>
    <MaxPlayers>1</MaxPlayers>
    <Platform>ZiNc</Platform>
  </Game>
  <Platform>
    <Name>3DO Interactive Multiplayer</Name>
    <Emulated>true</Emulated>
    <ReleaseDate>1993-10-04T00:00:00-07:00</ReleaseDate>
    <Developer>The 3DO Company</Developer>
  </Platform>
  <Platform>
    <Name>Commodore Amiga</Name>
    <Emulated>true</Emulated>
    <ReleaseDate>1985-07-23T00:00:00-07:00</ReleaseDate>
    <Developer>Commodore International</Developer>
  </Platform>
</LaunchBox>

$attributeCount = 0;
$xml = new XMLReader();
$xml->open($xmlFile);
$elements = new \XMLElementIterator($xml, $sectionNameWereGetting);
// $sectionNameWereGetting is a variable that changes to Game and Platform etc
foreach( $elements as $key => $indElement ){
            if ($xml->nodeType == XMLReader::ELEMENT && $xml->name == $sectionNameWereGetting) {
                $parseElement = new SimpleXMLElement($xml->readOuterXML());
// NOW I CAN COUNT IF THE ELEMENT HAS CHILDREN
                $thisCount = $parseElement->count();
                unset($parseElement);
                if ($thisCount == 0){
// IF THERE'S NO CHILDREN THEN SKIP THIS ELEMENT
                    continue;
                }
// IF THERE IS CHILDREN THEN INCREMENT THE COUNT
// - IN ANOTHER FUNCTION I GRAB THE CONTENTS HERE
// - AND PUT THEM IN THE DATABASE
                $attributeCount++;
            }
}
unset($elements);
$xml->close();
unset($xml);
return  $attributeCount;

$xml = simplexml_load_string($xmlStr);
$games = $xml->xpath('/LaunchBox/Game');
echo count($games).' games'.PHP_EOL;
foreach ($games as $game) {
    print_r($game);
}

$reader = new XMLReader();
$reader->open(getXMLDataURL());
$document = new DOMDocument();
// navigate using read()/next()
while ($found) {
  // expand into DOM 
  $node = $reader->expand($document);
  // import DOM into SimpleXML 
  $simpleXMLObject = simplexml_import_dom($node);
 
  // navigate using read()/next()
}

$reader = new XMLReader();
$reader->open(getXMLDataURL());
$document = new DOMDocument();
$xpath = new DOMXpath($document);
$found = false;
// look for the document element
do {
  $found = $found ? $reader->next() : $reader->read();
} while (
  $found && 
  $reader->localName !== 'LaunchBox'
);
// go to first child of the document element
if ($found) {
    $found = $reader->read();
}
$counts = [];
// found a node at depth 1 
while ($found && $reader->depth === 1) {
     if ($reader->nodeType === XMLReader::ELEMENT) {
        if (isset($counts[$reader->localName])) {
            $counts[$reader->localName]++;
        } else {
            $counts[$reader->localName] = 1;
        }
    }
    // go to next sibling node
    $found = $reader->next();
}
var_dump($counts);
function getXMLDataURL() {
   $xml = <<<'XML'
<?xml version="1.0" standalone="yes"?>
<LaunchBox>
  <Game>
    <Name>Violet</Name>
    <ReleaseYear>1985</ReleaseYear>
    <MaxPlayers>1</MaxPlayers>
    <Platform>ZiNc</Platform>
  </Game>
  <Game>
    <Name>Wishbringer</Name>
    <ReleaseYear>1985</ReleaseYear>
    <MaxPlayers>1</MaxPlayers>
    <Platform>ZiNc</Platform>
  </Game>
  <Platform>
    <Name>3DO Interactive Multiplayer</Name>
    <Emulated>true</Emulated>
    <ReleaseDate>1993-10-04T00:00:00-07:00</ReleaseDate>
    <Developer>The 3DO Company</Developer>
  </Platform>
  <Platform>
    <Name>Commodore Amiga</Name>
    <Emulated>true</Emulated>
    <ReleaseDate>1985-07-23T00:00:00-07:00</ReleaseDate>
    <Developer>Commodore International</Developer>
  </Platform>
</LaunchBox>
XML;
    return 'data:application/xml;base64,'.base64_encode($xml);
}

array(2) {
["Game"]=>
int(2)
["Platform"]=>
int(2)
}

{ "Game":2, "Platform":2 }

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:map="http://www.w3.org/2005/xpath-functions/map"
version="3.0">
<xsl:mode streamable="yes"/>
<xsl:output method="json" indent="yes"/>
<xsl:template match="/">
<xsl:sequence select="fold-left(/*/*/local-name(), map{}, 
function($map, $name){
map:put($map, $name, 
if (map:contains($map, $name)) 
then map:get($map, $name) + 1 
else 1)})"/>
</xsl:template>
</xsl:stylesheet>

        $reader = new XMLReader();
$reader->open($xmlFile);
$document = new DOMDocument();
$xpath = new DOMXpath($document);
$found = false;
// look for the document element
do {
$found = $found ? $reader->next() : $reader->read();
} while (
$found && 
$reader->localName !== 'LaunchBox'
);
// go to first child of the document element
if ($found) {
$found = $reader->read();
}
$counts = [];
while ($found && $reader->depth === 1) {
$currentElementKey++;
if( $currentElementKey <= $positionInDocument ){
// WE DON'T WANT THIS RECORD AS WE'VE ALREADY ADDED IT
$reader->next();                
}    
if ($reader->nodeType === XMLReader::ELEMENT && $reader->localName == $sectionNameWereGetting) {
// expand into DOM 
$node = $reader->expand($document);
// import DOM into SimpleXML 
$simpleXMLObject = simplexml_import_dom($node);
// TRANSFER OBJECT INTO ARRAY READY FOR DATABASE
foreach($simpleXMLObject as $elIndex => $elContent){
$addRecord[$elIndex] = trim($elContent);
}
// MAKE ARRAY OF ARRAYS FOR DATABASE
$allRecordsToAdd[] = $addRecord;
// INCREMENT THE COUNT OF RECORDS WE'VE TRANSFERRED
$currentRecordNumberTransferring++;
// clearing current element
unset($simpleXMLObject);
}
$positionInDocument = $currentElementKey;
$reader->next();
if( $currentRecordNumberTransferring >= $nextStoppingPoint ){
// WE NEED TO STOP AND REPORT BACK
\DB::disableQueryLog();              
DB::table($dbTableName)->insert($allRecordsToAdd);
$allRecordsToAdd = array();
$loopTheWhileForSpeed++;
if( $loopTheWhileForSpeed < $maxLoops ){
$nextStoppingPoint = self::calculateNextAjaxStoppingPoint($currentRecordNumberTransferring, $totalNumberOfRecords, $maxRecordsAtATime);           
} else {
break;
}
}
}
$documentStats["positionInDocument"] = $positionInDocument;
$documentStats["currentRecordNumberTransferring"] = $currentRecordNumberTransferring;
$reader->close();
unset($reader);
unset($document);
unset($xpath);
return  $documentStats;