simple_html_dom::getElementById PHP Méthode

    function getElementById($id)
    {
        return $this->find("#{$id}", 0);
    }

function grep_munich($url, $table_name)
{
    $html = scraperWiki::scrape($url);
    $count = 0;
    # Use the PHP Simple HTML DOM Parser to extract <td> tags
    $dom = new simple_html_dom();
    $dom->load($html);
    //Drop all old informations by dropping the table
    scraperwiki::sqliteexecute("drop table if exists " . $table_name);
    scraperwiki::sqlitecommit();
    $table = $dom->getElementById('flight_info_area');
    foreach ($table->find('tr') as $data) {
        // Flight details. Read tds or ths
        $tds = $data->find("td");
        //if there are less then 7 columns continue to next loop
        if (sizeof($tds) < 7) {
            continue;
        }
        //print $data->plaintext . "\n";
        $flightnr = $tds[1]->plaintext;
        $from = $tds[2]->plaintext;
        $time = $tds[3]->plaintext;
        $expected_time = $tds[4]->plaintext;
        //Create date
        $date = date("Y-m-d");
        //Build array of flight informations
        $flight_data = array("date" => $date, "count" => $count, "flightnr" => $flightnr, "from" => $from, "time" => $time, "expected_time" => $expected_time);
        //Save the informations of one flight
        scraperwiki::save_sqlite(array("date", "count"), $flight_data, $table_name);
        $count = $count + 1;
    }
}