WordPress FB2WP外掛：自動回覆粉絲頁留言事件範例

mxp_fb2wp_comment_callback.php

<?php
function mxp_fb_comment_callback($item) {
	$parent_id = isset($item['parent_id']) ? $item['parent_id'] : "";
	$comment_id = isset($item['comment_id']) ? $item['comment_id'] : "";
	$message = isset($item['message']) ? $item['message'] : "";
	$post_id = isset($item['post_id']) ? $item['post_id'] : "";
	$sender_name = isset($item['sender_name']) ? $item['sender_name'] : "";
	$verb = isset($item['verb']) ? $item['verb'] : ""; //must be "add"
	if ($parent_id != $post_id || $verb != "add" || $message == "" || $comment_id == "") {
		//不是第一則留言 或 不是新增留言 或 留言不是文字 就不回覆了！
		return;
	}
	$api_url = "https://graph.facebook.com/v2.10/{$comment_id}/comments?access_token=這裡是一個有效的偷啃，權限要包含 publish_pages, manage_pages 這兩個哦，別說我沒提醒你ＱＱ";
	$msg = "";
	if (preg_match("/阿竣/i", $message)) {
		$msg = "找阿竣是不是？等等哦！粉絲頁小幫手馬上幫你 ping 他一下～ by 自動回覆機器人";
	}
	if ($msg != "") {
		$response = wp_remote_post($api_url, array(
			'method' => 'POST',
			'timeout' => 5,
			'redirection' => 5,
			'httpversion' => '1.1',
			'blocking' => true,
			'headers' => array('Content-Type' => 'application/json; charset=utf-8'),
			'cookies' => array(),
			'body' => array('message' => $msg),
		)
		);
	}
	//射後不理拉～
}
add_filter('fb2wp_comment_event', 'mxp_fb_comment_callback', 10, 1);