Example

require_once "XML/Statistics.php";
$stat = new XML_Statistics(array("ignoreWhitespace" => true));
$result = $stat->analyzeFile("example.xml");

if ($stat->isError($result)) {
    die("Error: " . $result->getMessage());
}

// total amount of tags:
echo "Total tags: " . $stat->countTag()."<br>";

// count amount of 'title' attribute, in all tags
echo "Occurences of attribute title: " . $stat->countAttribute("title")."<br>";

// count amount of 'title' attribute, only in <section> tags
echo "Occurences of attribute title in tag section: " . $stat->countAttribute("title", "section")."<br>";

// count total number of tags in depth 4
echo "Amount of Tags in depth 4: " . $stat->countTagsInDepth(4)."<br>";

echo "Occurences of PHP Blocks: " . $stat->countPI("PHP")."<br>";

echo "Occurences of external entity 'bar': " . $stat->countExternalEntity("bar")."<br>";

echo "Data chunks: " . $stat->countDataChunks()."<br>";

echo "Length of all data chunks: " . $stat->getCDataLength()."<br>";