Reddit api frankenstein wrapper

reddit.php

<?php
    /***************************************************************************
    * Class name: Reddit 
    * Description: Frankenstein combination of https://github.com/jcleblanc/reddit-php-sdk
    * and https://gist.github.com/3845707 
    * Goal: Expand on Flotwig's code to be able to use data only avalaible while logged in. 
    * Usage: 
    * $reddit->urlApi('message/inbox/')
    ***************************************************************************/
class reddit{
    //private $apiHost = "http://www.reddit.com/api";
    private $apiHost = "https://ssl.reddit.com/api";
    private $modHash = null;
    private $session = null;
    
    /***************************************************************************
     * Function: Class Constructor
     * Description: Construct the class and simultaneously log a user in.
     * API: https://github.com/reddit/reddit/wiki/API%3A-login
     * Params: username (string): The username to be logged into
     *         password (string): The password to be used to log in
     **************************************************************************/
    public function __construct($username = null, $password = null){
        $urlLogin = "{$this->apiHost}/login/$username";
        
        $postData = sprintf("api_type=json&user=%s&passwd=%s",
                            $username,
                            $password);
        $response = $this->runCurl($urlLogin, $postData);
        
        if (count($response->json->errors) > 0){
            return "login error";    
        } else {
            $this->modHash = $response->json->data->modhash;   
            $this->session = $response->json->data->cookie;
            return $this->modHash;
        }
    }
    
	//  Here we use flotwig's heavily modified code to fit it in with the rest of the wrapper 	
	public function urlApi($call,$domain='www.reddit.com') {
	$redditurl = 'http://' . $domain . '/' . $call . '.json';
	
	$result = $this->runCurl($redditurl);

	return $result;
}
    
    /***************************************************************************
     * Function: cURL Request
     * Description: General cURL request function for GET and POST 
     * Params: url (string): URL to be requested
     *         postVals (NVP string): NVP string to be send with POST request
     **************************************************************************/
    private function runCurl($url, $postVals = null){
        $ch = curl_init($url);
        
        $options = array(
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_COOKIE => "reddit_session={$this->session}",
            CURLOPT_TIMEOUT => 3
			
        );
        
        if ($postVals != null){
            $options[CURLOPT_POSTFIELDS] = $postVals;
            $options[CURLOPT_CUSTOMREQUEST] = "POST";
			$options[CURLOPT_USERAGENT] = "u/creesch";  			
        }
        
        curl_setopt_array($ch, $options);
        
        $response = json_decode(curl_exec($ch),TRUE);
        curl_close($ch);
        
        return $response;
    }
}
?>