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<?php
$doc = new DomDocument("1.0");
$doc->loadXML( file_get_contents("data.xml") );
$root = $doc->firstChild;
$pointer = $root;
do {
print $pointer->tagName."<br />\n";
} while ( $pointer = next_element( $pointer ) );
function next_element( DomNode $pointer ) {
while ( $pointer = next_node( $pointer ) ) {
if ( $pointer->nodeType == XML_ELEMENT_NODE ) {
return $pointer;
}
}
return false;
}
function next_node( DomNode $pointer ) {
if ( $pointer->hasChildNodes() ) {
return $pointer->firstChild ;
}
if ( $next = $pointer->nextSibling ) {
return $next;
}
while( $pointer = $pointer->parentNode ) {
if ( $next=$pointer->nextSibling ) {
return $next;
}
}
}
?>
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