vk.com парсер

<?php
set_time_limit(1800);

$mtime = microtime();
    $mtime = explode(' ', $mtime);
    $mtime = $mtime[1]+$mtime[0];

require 'parser.php';
require '../kernel/system.php';

define(ROOT, 'http://vkontakte.ru/');
define(REG, ROOT . 'reg0');
define(SCHOOLS, ROOT . 'help.php?act=agetselect&list_id=school1&val=');
define(UNIVERS, ROOT . 'help.php?act=agetselect&list_id=university&val=');
define(FACULTY, ROOT . 'help.php?act=agetselect&list_id=faculty&val=');


$html = file_get_html( REG );
$options = $html->find('#uni_city option');

$cities = array();
$schools = array();
$univers = array();
$faculty = array();

// Init
foreach($options as &$opt)
	if( intval($opt->value) > 0 )
		$cities[] = array(
			'city_ID' => $opt->value,
			'cityName' => $opt->innertext
		);

// GRAB
function grabData($url, $id, $iid, $pid, $name){
	$html = file_get_html( $url . $id );
	$options = $html->find('option');
	$ret = array();
	foreach($options as &$opt){
		if( intval($opt->value) > 0 )
			$ret[] = array(
				$iid => $opt->value,
				$pid => $id,
				$name => iconv('UTF-8', 'cp1251', $opt->innertext)
			);
	}
	return $ret;
}

foreach($cities as &$city){
	$schools = array_merge(&$schools, grabData(SCHOOLS, $city['city_ID'], 'school_college_ID', 'city_ID', 'school_collegeName'));
	$univers = array_merge(&$univers, grabData(UNIVERS, $city['city_ID'], 'institute_ID', 'city_ID', 'instituteName'));
}

foreach($univers as &$univer)
	$faculty = array_merge(&$faculty, grabData(FACULTY, $univer['institute_ID'], 'faculty_ID', 'institute_ID', 'facultyName'));


function export(&$data, $table){
	echo '<h1>' . $table . '</h1>';
    foreach($data as &$d){
    	$fields = "";
	    $values = "";
	    
	    $query = "Insert INTO " . $table;
	    foreach($d as $f => &$v){
	      $fields .= $f.',';
	      $values .= "'".$v."',";
	    }    
	    $fields = preg_replace("/,$/","", $fields);
	    $values = preg_replace("/,$/","", $values);        
	    $query .= "(".$fields.") values (".$values.");";
		//echo '<p>' . $query . '</p>';
		//file_put_contents('./out.sql', file_get_contents('./out.sql') . $query . "\n\n");
		mysql_query($query);
    }
}

export($cities, 'city');
export($faculty, 'faculty');
export($univers, 'university');
export($schools, 'schools_colleges');

$mtime2 = microtime();
    $mtime2 = explode(' ', $mtime2);
    $mtime2 = $mtime2[1]+$mtime2[0];

echo $mtime2 - $mtime . ' MS';

?>