Facebookページの投稿を取得してPHPで表示する【グラフAPI v15.0】

<?php
// データ設定
$fbpage_id    = 【FacebookページID】;
$access_token = '【ページアクセストークン】';
$limit        = 6;
$fields       = 'created_time,message,full_picture,permalink_url';

$json_data = file_get_contents( 'https://graph.facebook.com/' . $fbpage_id . '/feed?access_token=' . $access_token . '&limit=' . $limit . '&locale=ja&fields=' . $fields );
$json      = json_decode( $json_data, true );

echo "<ul class=\"post-list\">\n";
foreach ( $json['data'] as $data ) {
	// 日時
	$time     = strtotime( preg_replace( '/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})\+\d{4}/', '$1-$2-$3', $data['created_time'] ) );
	$posttime = gmdate( 'y.m.d', $time );
	$datetime = gmdate( 'Y-m-d', $time );

	// 本文をタイトルに
	$excerpt = strip_tags( $data['message'] );
	$excerpt = mb_substr( $excerpt, 0, 50, 'utf8' );
	$excerpt = str_replace( array( "\r\n", "\n", "\r" ), '', $excerpt );

	// パーマリンク
	$permalink = $data['permalink_url'];

	// サムネイル
	if ( isset( $data['full_picture'] ) ) {
		$thumb = "\t\t<p class=\"post-list__thumb\"><a href=\"{$permalink}\"><img src=\"" . $data['full_picture'] . "\" alt=\"\"></a></p>\n";
	} else {
		$thumb = "\t\t<p class=\"post-list__thumb--none\"><a href=\"{$permalink}\">画像なし</a></p>\n";
	}

	// 本文が0文字でなければ表示する
	if ( mb_strlen( $excerpt ) !== 0 ) {
		echo "\t<li class=\"post-list__item\">\n";
		echo "\t\t<time class=\"post-list__date\" datetime=\"{$datetime}\">{$posttime}</time>\n";
		echo "\t\t<h4 class=\"post-list__title\">\n";
		echo "\t\t\t<a href=\"{$permalink}\">\n";
		echo "\t\t\t\t{$excerpt}\n";
		echo "\t\t\t</a>\n";
		echo "\t\t</h4>\n";
		echo $thumb;
		echo "\t</li>\n";
	}
}
echo "</ul>\n";
?>