Mine

    $i = 1;
    
    $valuesString .= '('.($i).',';
    
    set_time_limit (600);
    
    foreach ($data as $item) {
        
     foreach ($item->childNodes as $node) {
        
        $value = utf8_decode($node->nodeValue);
        
        $valuesString .= "'".addSlashes($value)."'". ',';
              
     }
     
    $valuesString = rtrim($valuesString, ',');
    $valuesString .= '),';
     
     $i++;
    
    }
    
    
    $valuesString = rtrim($valuesString, ',');
    
    $truncate = "TRUNCATE {$tableName};";
    $SQL = "INSERT INTO {$tableName} VALUES {$valuesString};";