Tomorrow i will explain more and make it under extensions an article about CURL extension, i go to sleep now 
EDIT: now its perfect
GET EXAMPLE
$data = Yii::app()->CURL->run('http://www.google.com/ig/calculator?q='.$amount.$from.'=?'.$to);
print_r($data);
GET EXAMPLE
$data = Yii::app()->CURL->run('http://maps.google.com/maps/geo?q='.$place.'&output=json&key=ABQIAAAAR3YzPp1SL-w7k-Nhadw6oRRSU9EEwCG8ydw3m56rm2GtI8BohRSHN1qNuRyOrnYS_BNY1_2RnyuYTA');
POST EXAMPLE
$data = Yii::app()->CURL->run('http://www.atropa.com.hr/index.php?',FALSE,
array(
'option'=>'com_content','view'=>'article','id'=>58,'Itemid'=>2
)
);
print_r($data);
<?php
/*
* Yii extension CURL
* This is a base class for procesing CURL REQUEST
*
* @author Igor Ivanović
* @version 0.1
* @modifid date: 16-12-2010
* @filesource CURL.php
*
*/
class Curl extends CApplicationComponent{
protected $url;
protected $ch;
public $options = array();
public $info = array();
public $error_code = 0;
public $error_string = '';
protected $validOptions = array(
'timeout'=>array('type'=>'integer'),
'login'=>array('type'=>'array'),
'proxy'=>array('type'=>'array'),
'proxylogin'=>array('type'=>'array'),
'setOptions'=>array('type'=>'array'),
);
/**
* Initialize the extension
* check to see if CURL is enabled and the format used is a valid one
*/
public function init(){
if( !function_exists('curl_init') )
throw new CException( Yii::t('Curl', 'You must have CURL enabled in order to use this extension.') );
}
/**
* Setter
* @set the option
*/
protected function setOption($key,$value){
curl_setopt($this->ch,$key, $value);
}
/**
* Formats Url if http:// dont exist
* set http://
*/
public function setUrl($url){
if(!preg_match('!^\w+://! i', $url)) {
$url = 'http://'.$url;
}
$this->url = $url;
}
/*
* Set Url Cookie
*/
public function setCookies($values){
if (!is_array($values))
throw new CException(Yii::t('Curl', 'options must be an array'));
else
$params = $this->cleanPost($values);
$this->setOption(CURLOPT_COOKIE, $params);
}
/*
@LOGIN REQUEST
sets login option
If is not setted , return false
*/
public function setHttpLogin($username = '', $password = '') {
$this->setOption(CURLOPT_USERPWD, $username.':'.$password);
}
/*
@PROXY SETINGS
sets proxy settings withouth username
*/
public function setProxy($url,$port = 80){
$this->setOption(CURLOPT_HTTPPROXYTUNNEL, TRUE);
$this->setOption(CURLOPT_PROXY, $url.':'.$port);
}
/*
@PROXY LOGIN SETINGS
sets proxy login settings calls onley if is proxy setted
*/
public function setProxyLogin($username = '', $password = '') {
$this->setOption(CURLOPT_PROXYUSERPWD, $username.':'.$password);
}
/*
@VALID OPTION CHECKER
*/
protected static function checkOptions($value, $validOptions)
{
if (!empty($validOptions)) {
foreach ($value as $key=>$val) {
if (!array_key_exists($key, $validOptions)) {
throw new CException(Yii::t('Curl', '{k} is not a valid option', array('{k}'=>$key)));
}
$type = gettype($val);
if ((!is_array($validOptions[$key]['type']) && ($type != $validOptions[$key]['type'])) || (is_array($validOptions[$key]['type']) && !in_array($type, $validOptions[$key]['type']))) {
throw new CException(Yii::t('Curl', '{k} must be of type {t}',
array('{k}'=>$key,'{t}'=>$validOptions[$key]['type'])));
}
if (($type == 'array') && array_key_exists('elements', $validOptions[$key])) {
self::checkOptions($val, $validOptions[$key]['elements']);
}
}
}
}
protected function defaults(){
!isset($this->options['timeout']) ? $this->setOption(CURLOPT_TIMEOUT,30) : $this->setOption(CURLOPT_TIMEOUT,$this->options['timeout']);
isset($this->options['setOptions'][CURLOPT_HEADER]) ? $this->setOption(CURLOPT_HEADER,$this->options['setOptions'][CURLOPT_HEADER]) : $this->setOption(CURLOPT_HEADER,FALSE);
isset($this->options['setOptions'][CURLOPT_RETURNTRANSFER]) ? $this->setOption(CURLOPT_RETURNTRANSFER,$this->options['setOptions'][CURLOPT_RETURNTRANSFER]) : $this->setOption(CURLOPT_RETURNTRANSFER,TRUE);
isset($this->options['setOptions'][CURLOPT_FOLLOWLOCATION]) ? $this->setOption(CURLOPT_FOLLOWLOCATIO,$this->options['setOptions'][CURLOPT_FOLLOWLOCATION]) : $this->setOption(CURLOPT_FOLLOWLOCATION,TRUE);
isset($this->options['setOptions'][CURLOPT_FAILONERROR]) ? $this->setOption(CURLOPT_FAILONERROR,$this->options['setOptions'][CURLOPT_FAILONERROR]) : $this->setOption(CURLOPT_FAILONERROR,TRUE);
}
/*
@MAIN FUNCTION FOR PROCESSING CURL
*/
public function run($url,$GET = TRUE,$POSTSTRING = array()){
$this->setUrl($url);
if( !$this->url )
throw new CException( Yii::t('Curl', 'You must set Url.') );
$this->ch = curl_init();
self::checkOptions($this->options,$this->validOptions);
if($GET == TRUE){
$this->setOption(CURLOPT_URL,$this->url);
$this->defaults();
}else{
$this->setOption(CURLOPT_URL,$this->url);
$this->defaults();
$this->setOption(CURLOPT_POST, TRUE);
$this->setOption(CURLOPT_POSTFIELDS, $this->cleanPost($POSTSTRING));
}
if(isset($this->options['setOptions']))
foreach($this->options['setOptions'] as $k=>$v)
$this->setOption($k,$v);
isset($this->options['login']) ? $this->setHttpLogin($this->options['login']['username'],$this->options['login']['password']) : null;
isset($this->options['proxy']) ? $this->setProxy($this->options['proxy']['url'],$this->options['proxy']['port']) : null;
if(isset($this->options['proxylogin'])){
if(!isset($this->options['proxy']))
throw new CException( Yii::t('Curl', 'If you use "proxylogin", you must define "proxy" with arrays.') );
else
$this->setProxyLogin($this->options['login']['username'],$this->options['login']['password']);
}
$return = curl_exec($this->ch);
// Request failed
if($return === FALSE)
{
$this->error_code = curl_errno($this->ch);
$this->error_string = curl_error($this->ch);
curl_close($this->ch);
echo "Error code: ".$this->error_code."<br />";
echo "Error string: ".$this->error_string;
// Request successful
} else {
$this->info = curl_getinfo($this->ch);
curl_close($this->ch);
return $return;
}
}
/**
* Arrays are walked through using the key as a the name. Arrays
* of Arrays are emitted as repeated fields consistent with such things
* as checkboxes.
* @desc Return data as a post string.
* @param mixed by reference data to be written.
* @param string [optional] name of the datum.
*/
protected function &cleanPost(&$string, $name = NULL)
{
$thePostString = '' ;
$thePrefix = $name ;
if (is_array($string))
{
foreach ($string as $k => $v)
{
if ($thePrefix === NULL)
{
$thePostString .= '&' . self::cleanPost($v, $k) ;
}
else
{
$thePostString .= '&' . self::cleanPost($v, $thePrefix . '[' . $k . ']') ;
}
}
}
else
{
$thePostString .= '&' . urlencode((string)$thePrefix) . '=' . urlencode($string) ;
}
$r =& substr($thePostString, 1) ;
return $r ;
}
}//end of method
to save a bit of memory? I changed the code to