getData

/*fetches a page
$url => url of the page,
$data =>array(<param1>=><value1>,<param2>=><value2>....) storing get or post pvariables and values
$cookie => array('cookieName1'=>value1,'cookieName2'=>'value2'......)//storing cookies and their values
$userAgent=>userAgent,
method =>HTTP method [GET/POSt]
*/
function fetchPage( $url,$data ,$cookie='',$userAgent ='',$method = 'GET') //sends data array(param=>val,...) to the page $url in post method and returns the reply string
{
    $httpArr = array();
    $header = "Accept-language: en\r\n";
    if($method != 'GET'){
        $method = 'POST';
        $data    = http_build_query( $data );
        $header = $header."Content-Type: application/x-www-form-urlencoded\r\n" .
                   "Content-Length: " . strlen( $data ).'\r\n';
        $content = $data;
    } else {
        $content = '';
        $queryArr = array();
        foreach($data as $key => $value) {
            array_push($queryArr,$key.'='.$value);
        }
        $url = $url.'?'.implode('&',$queryArr);
    }
    if($cookie != '') {
        $cookieStr = 'Cookie: ';
        $len = sizeof($cookie);
        $i = 0;
        foreach($cookie as $key => $val) {
             $cookieStr = $cookieStr.$key.'='.$val;
             $cookieStr = $i != $len - 1 ?$cookieStr.'; ':$cookieStr;
             $i++;
        }
    }
    $userAgent = $userAgent !='' ? $userAgent:'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)';
    $header = $header.'\r\n'.$userAgent.$cookie;
    $httpArr['method'] = $method;
    $httpArr['follow_location'] = true;
    $httpArr['header'] = $header;
    $context = stream_context_create( array(
         "http" => $httpArr
    ) );
    $page    = file_get_contents( $url, false, $context );
    var_dump($http_response_header);
    return $page;
}