facebook API 2.8でfacebookページのfeedを取得する（ajaxでのリクエスト・レスポンスを想定）

get_facebook_page_feed.php

<?php
if(isset($_GET['num']) && $_GET['num']){
	$num = (int)htmlspecialchars($_GET['num']);
}else{
	$num = 10;
}
// アクセストークン
define("FACEBOOK_ACCESS_TOKEN", ACCESS TOKEN);
// ユーザアカウント名
$user_account = ACCOUNT;

//データを取得
$feeds_api_url = 'https://graph.facebook.com/'.$user_account.'/feed?access_token='.FACEBOOK_ACCESS_TOKEN.'&fields=full_picture,id,link,message&limit='.$num;
$feeds_data = json_decode(@file_get_contents($feeds_api_url));
$data = array();
foreach ($feeds_data->data as $feed) {
	$feeddata = array();
	//画像
        $feeddata['src'] = $feed->full_picture;

	//パーマリンク
	$ids = explode('_', $feed->id);
	$feeddata['link'] = 'http://www.facebook.com/'.$ids[0].'/posts/'.$ids[1];

	//テキスト
	if(property_exists($feed,'message')){
		$text = mb_substr($feed->message,0,40,'UTF-8');
		//$text = mb_convert_encoding($text, "utf8", "auto");
		//$text = mb_convert_encoding($text, "utf8", "utf8");
		$feeddata['text'] = preg_replace("/((?:https?|ftp):\/\/[-_.!~*\'()a-zA-Z0-9;\/?:@&=+$,%#]+)/u",'<a href="$1">$1</a>',$text);
	}else{
		$feeddata['text'] = '';
	}

	//日付
	$ts = $feed->created_time;
	$date = new DateTime($ts);
	$feeddata['date'] = $date->format('Y/m/d');

	$data[] = $feeddata;
}
echo json_encode($data);
?>