Using Curl with APC

function curl_get_cache($url, $use_cache = false, $cache_ttl = 86400)
{
    if (true == $use_cache)
    {
        $apc_key = 'curl_' . md5($url);
        $apc_fetch = apc_fetch($apc_key);
       
        if ($apc_fetch)
        {
            return $apc_fetch;
        }
    }
   
    $curl_handle = curl_init();

    curl_setopt($curl_handle, CURLOPT_URL, $url);
    curl_setopt($curl_handle, CURLOPT_HEADER, 0);
    curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl_handle, CURLOPT_CONNECTTIMEOUT_MS, 5000);
    curl_setopt($curl_handle, CURLOPT_TIMEOUT_MS, 5000);

    $result = curl_exec($curl_handle);
   
    if (true == $use_cache)
    {
        apc_store($apc_key, $result, $cache_ttl);
    }

    curl_close($curl_handle);
   
    return $result;
}