Wordpress SOAP Client

wordpress.php

<?php

/** 
 * download latest posts from the Wordpress blog
 * - will only return 3 latest posts with a $tag homepage by default
 *
 * you will need PHP Curl extension - I'm too lazy to use native php sockets :)
 * and also xmlrpc so please:
 *
 * apt-get install php5-curl php5-xmlrpc
 * 
 * @see http://wp.tutsplus.com/tutorials/creative-coding/xml-rpc-in-wordpress/
 * @version 2013-10-10
 */

class WordPressClient {

    var $wp_username;
    var $wp_password;
    var $wp_xmlrpc_url;

    public function __construct($url = '', $username = '', $password = '')   
    {  

        $this->wp_username = $username;
        $this->wp_password = $password;
        $this->wp_xmlrpc_url = $url;

        if (!function_exists('xmlrpc_encode_request')) {
            trigger_error(__METHOD__.'(): xmlrpc_encode_request() function is not defined. Please turn on the xmlrpc extension.');
        }

    }

    public function send_request($requestname, $params)  
    {  
        // does not work?!
        $options = array('encoding' => 'utf-8'); 

        $request = xmlrpc_encode_request($requestname, $params, $options);  
        
        $ch = curl_init();  
        curl_setopt($ch, CURLOPT_POSTFIELDS, $request);  
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); 
        curl_setopt($ch, CURLOPT_URL, $this->wp_xmlrpc_url);  
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);  
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); 
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); 
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
        curl_setopt($ch, CURLOPT_TIMEOUT, 15);
    
        // curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: text/xml; encoding="UTF-8"'));
        
        $results = curl_exec($ch);  
        if (!$results && substr($_SERVER['HTTP_HOST'], 0, 3) !== 'www') {
            echo __METHOD__.'(): curl error: '.print_r(curl_error($ch), true).' on '.$this->wp_xmlrpc_url
                .': '.print_r($request, true).PHP_EOL;
        }    
        //curl_close($ch);  

        return iconv('iso-8859-1', 'utf-8', $results);  
    } 

    function say_hello()  
    {  
        $params = array();  
        return $this->send_request('demo.sayHello',$params);  
    } 

    function display_authors()  
    {  
        $params = array(0, $this->wp_username, $this->wp_password);  
        return $this->send_request('wp.getAuthors',$params);  
    }   

    /**
     * Get posts by the tag.
     *
     * @see http://codex.wordpress.org/XML-RPC_WordPress_API/Posts
     */
    function get_posts_by_tag($tag, $limit = 3) {
        
        $filter = array(
            'number' => 20, 
            'post_status' => 'publish',
            'post_type' => 'post',
            'orderby' => 'post_modified',
            'order' => 'desc'
        );

        $params = array(
            0, $this->wp_username, $this->wp_password, $filter
        );

        $raw = $this->send_request('wp.getPosts', $params);

        $data = xmlrpc_decode($raw);

        $return = array();

        if (empty($data)) {
            return array();
        }

        foreach ($data as $d) {
            
            foreach ($d['terms'] as $t) {
                
                if (strcasecmp($t['name'], $tag) === 0) {
                    $return[] = $d;
                    break;
                }

            }

            if (count($return) >= $limit) {
                return $return;
            }

        } // foreach

        return $return;

    } // function

}