Extract news items from Google news API via YQL

facebook_7.php

<?php
public function displayHTML(){
    try {
        $uid = $this->fb->getUser();
        $me = $this->fb->api('/me');
        $musicInterests = $this->fb->api('/me/music');
        $musicArr = null;
        if(!empty($musicInterests['data'])){
            foreach($musicInterests['data'] as $item){
                $musicArr[] = $item["name"];
            }
        }
        if(!empty($musicArr)){
            $this->displayRecoNews($musicArr);
        }else {
            echo "No recommended news could be retrieved as your music interests are not declared/present in Facebook";
        }
    }catch(FacebookApiException $e) {
        error_log($e);
        echo $e;
        //Session expired or user de-authenticated the app
        $this->showConnectToFB(true);
    }
}

public function displayRecoNews($musicArr){
    $musicStr = "'" . implode(" music','", $musicArr) . "'"; // "'string1 music','string2 music','string3 music'"
    //echo "<pre>";var_dump($musicStr); echo "</pre>";
    //Code to access YQL using PHP
    $yql_base_url = "http://query.yahooapis.com/v1/public/yql";
    $yql_query = "select * from google.news where (q in ({$musicStr}))"; //YQL query to retrieve search results

    $yql_query_url = $yql_base_url . "?q=" . urlencode($yql_query) . "&env=store://datatables.org/alltableswithkeys&format=json";
    //echo "<pre>";var_dump($yql_query_url); echo "</pre>";  
    $result = $this->getResultFromYQL($yql_query_url);
    if(!empty($result["query"]["results"]["results"])){
       $this->parseAndDisplayNewsResults($result["query"]["results"]["results"], $musicArr);
    }
}
public function getResultFromYQL($yql_query) {
    $session = curl_init($yql_query);
    curl_setopt($session, CURLOPT_RETURNTRANSFER, true); 
    $json = curl_exec($session);
    curl_close($session);
    return json_decode($json, true);
}

public function parseAndDisplayNewsResults($results, $musicArr){
    $musicInterests = '<ul><h3>Music Interests</h3>';
    foreach($musicArr as $item){
        $musicInterests .= <<<MARKUP
    <li>{$item}</li>
    MARKUP;
    }
    $musicInterests .= '</ul>';
    $articles = '';
    foreach($results as $r){
        $title = $r['title'];
        $content = $r['content'];
        $url = $r['unescapedUrl'];
        $publisher = $r['publisher'];
        $pubDate = $r['publishedDate'];
        $articles .= <<<MARKUP
<div class="article">
<div class="article-hd"><h2><a href="{$url}" target="_blank">{$title}</a><h5>  -  {$pubDate} by {$publisher}</h5></h2></div>
<p>{$content}</p>
</div>
MARKUP;
    }
    // .... followed by HTML markup generation ....
}