curl kütüphanesi aktif değil kodda bir sıkıntı yok

ben denedim çalışıyor

<?php
$ch=login();
$html=downloadUrl('http://www.theknot.com/Vendors/Christine-Paul-Events/Profile/WCS/091/367999/profile', $ch);
echo $html;
 
function downloadUrl($Url, $ch){
    curl_setopt($ch, CURLOPT_URL, $Url);
    curl_setopt($ch, CURLOPT_POST, 0);
    curl_setopt($ch, CURLOPT_REFERER, "http://www.google.com/");
    curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 10);
    $output = curl_exec($ch);
    return $output;
}
 
function login(){
 
    $user_id = "eposta@adresi.com";
    $user_password = "sifre";
    $cookie_file_path = "tmp/cookies.txt";
 
    $LOGINURL = "http://global.theknot.com/join/MemberLogin.aspx";
    $agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)";
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL,$LOGINURL);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_USERAGENT, $agent);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file_path);
    curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file_path);
    $result = curl_exec ($ch);
 
    $matches = array();
    preg_match('/<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="([^"]*?)" \/>/', $result, $matches);
    $viewstate = $matches[1];
 
    $matches2 = array();
    preg_match('/<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="([^"]*?)" \/>/', $result, $matches2);
    $validation = $matches2[1];
 
    curl_close ($ch);
 
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, 'http://global.theknot.com/join/Sites/theknot/memberlogin.aspx'); //login URL
    curl_setopt($ch, CURLOPT_HEADER, 1);
    curl_setopt ($ch, CURLOPT_POST, 1);
    $postData='
    __LASTFOCUS=
    &__EVENTTARGET=
    &__EVENTARGUMENT=
    &__EVENTVALIDATION='.urlencode($validation).'
    &__VIEWSTATE='.urlencode($viewstate).'
    &ctl00$MainContent$emailTextBox='.$user_id.'
    &ctl00$MainContent$passwordTextBox='.$user_password;
    curl_setopt ($ch, CURLOPT_POSTFIELDS, $postData);
    curl_setopt ($ch, CURLOPT_COOKIEJAR, $cookie_file_path);
    curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    $store = curl_exec ($ch);
    return $ch;
}
?>