class Dakota_Tools_Helper_Data extends Mage_Core_Helper_Abstract
{
    public function curlGetUrlContent($url, $header = false)
    {
    	$crl = curl_init();
    	$timeout = 5;
    	curl_setopt ($crl, CURLOPT_URL,$url);
    	curl_setopt ($crl, CURLOPT_RETURNTRANSFER, 1);
    	curl_setopt ($crl, CURLOPT_CONNECTTIMEOUT, $timeout);
    	if($header) {
    		curl_setopt($crl, CURLOPT_HTTPHEADER, $header);
    	}
    	$ret = curl_exec($crl);
    	curl_close($crl);
    	return $ret;
    }

    function curlPutUrlContent($url, $fields, $header = false)
    {
    	$fields_string = http_build_query($fields);
    	$crl = curl_init();
    	$timeout = 5;

    	curl_setopt($crl, CURLOPT_URL, $url);
    	curl_setopt($crl, CURLOPT_CUSTOMREQUEST, "PUT");
    	curl_setopt($crl, CURLOPT_POSTFIELDS, $fields_string);
    	curl_setopt($crl, CURLOPT_CONNECTTIMEOUT, $timeout);
    	curl_setopt($crl, CURLOPT_FOLLOWLOCATION, 1);
    	curl_setopt($crl, CURLOPT_RETURNTRANSFER, 1);
    	if($header) {
    		curl_setopt($crl, CURLOPT_HTTPHEADER, $header);
    	}

    	$ret = curl_exec($crl);
    	curl_close($crl);

    	return $ret;
    }

    function curlPostUrlContent($url, $fields, $header = false)
    {
    	$fields_string = '';
		foreach($fields as $key=>$value) {
			$fields_string .= $key.'='.urlencode($value).'&';
		}
		rtrim($fields_string, '&');

		$crl = curl_init();
		$timeout = 5;

		curl_setopt($crl, CURLOPT_URL,$url);
		curl_setopt($crl, CURLOPT_POST, count($fields));
		curl_setopt($crl, CURLOPT_POSTFIELDS, $fields_string);
		curl_setopt($crl, CURLOPT_CONNECTTIMEOUT, $timeout);
		curl_setopt($crl, CURLOPT_FOLLOWLOCATION, 1);
		curl_setopt ($crl, CURLOPT_RETURNTRANSFER, 1);
		$ret = curl_exec($crl);

		curl_close($crl);
		return $ret;

    }
}