importare dati xml a mysql

<?php
$write = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<michele>';

$tables = array('news','photo','pagine');

foreach($tables as $table){
    
    $write.="<table_$table>\n";
    
    for($i=0;$i<100;$i++) $write.="<$table>
                                        <id>$i</id>
					<_userid>2</_userid>
					<_catid>1</_catid>
					<titolo>Test_01</titolo>
					<intro>Test_01</intro>
					<testo>Test_01</testo>
					<tag></tag>
					<data>2013-01-07 22:32:33</data>
					<active>1</active>
					<_update>2013-01-07 22:32:59</_update>
                                        </$table>";
    $write.="</table_$table>";
}
$write.="</michele>";
file_put_contents('file.xml',$write);
?>

$id = '';
    foreach($current_array[$table] as $insert){
        $query = "INSERT INTO ".$table." SET ";
        if(isset($insert['id'])){
            if($insert['id']==$id) continue;
            $id = $insert['id'];
       }
        OttieniDati(is_array($insert) ? $insert : $current_array[$table]);

        if($query!="INSERT INTO ".$table." SET ")
        $db->query($query) or die('Errore nella query: '.$query.' '.$db->error);

        if(!is_array($insert)) break;
    }

if(isset($insert['id'])){ 
            if($insert['id']==$id) continue; 
            $id = $insert['id']; 
       } 
        echo "$id $table <br>";
        OttieniDati(is_array($insert) ? $insert : $current_array[$table]);