URI Parsing in CodeIgniter

getRequests

 //Codeigniter, a clever way to get data out of the Request URI.  

private function getRequests(){ 
	//get the default object 
	$CI =& get_instance(); 
	//declare an array of request and add add basic page info 
	$requestArray = array(); 
	$requests = $CI->uri->segment_array();
	foreach ($requests as $request)
	{ 
		$pos = strrpos($request, ':');
		if($pos >0)
		{
			list($key,$value)=explode(':', $request);
			if(!empty($value) || $value='') $requestArray[urldecode($key)]=urldecode($value);
		}
	}
	return $requestArray ; 
}