php error_reporting E_ALL visited array result array id function reciv

<?php
error_reporting(E_ALL);

$visited = array();
$result = array();
$id = 0;

function recive($url) {
    $cr = curl_init();
    curl_setopt($cr, CURLOPT_URL, 'http://62.153.147.220'.$url);				// Set URL
    echo 'Recive: '.'http://62.153.147.220'.$url.PHP_EOL;
    curl_setopt($cr, CURLOPT_RETURNTRANSFER, true);		// Get returned value as string (don't put to screen)
    curl_setopt($cr, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 6.0)');
    curl_setopt($cr, CURLOPT_COOKIEFILE, 'cookie.txt');
    $output = curl_exec($cr);
    curl_close($cr);
//    echo $output;
    return $output;
}

function parseCats($page, $parent, $level = 1) {
global $visited ,$result, $id;
    if(in_array($page, $visited))
        return;
    $visited[] = $page;

    $data = recive($page);
    $data = substr($data, strpos($data, '<div id="contentpane">'));

    if(strpos($data, 'Produktgruppe') !== false)
        return;

    if(strrpos($data, '<div class="panel_baugru_no_gru">') !== false) {
        $data = substr($data, strrpos($data, '<div class="panel_baugru_no_gru">'));
    }

    preg_match_all("|<a href=\"([^\"]+)\">([^<]+)<\/a>|U", $data, $links);

    foreach($links[2] as $key => $text) {
    if($text == 'here')
        continue;
        $links[1][$key] = str_replace('&amp;', '&', $links[1][$key]);
        if(ereg('^[0-9]{4}$', $text)){
            // year. skip it.
        }elseif(ereg('^Weitere\ .*$', $text)) {
            // next page
            echo 'next page';
            parseCats($links[1][$key], $parent);
        }elseif(ereg('^1.Seite\ .*', $text)){
            // first page. skip it.        
        }else{
            // it's cat
            $id++;
            $result[$id] = array('parent' => $parent, 'id' => $id, 'link' => $links[1][$key], 'title' => $links[2][$key]);
            echo $level.' => '.$id.' '.$links[2][$key].PHP_EOL;
            parseCats($links[1][$key], $id, $level+1);
        }
    }
}

parseCats('/redesign/v10/default.aspx?10=0078139211741030006001&amp;14=1&12=100', 0);
file_put_contents('result.ser', serialize($result));
echo 'All done!!!';
?>