<?php
// {"channel": "#random", "text": "", "username": "StockScraper", "icon_emoji": ":ghost:"}
$payload = [
'channel' => '#random',
'text' => 'Daily Quote Scrapping Done.\n15 Stocks cannot be updated, in which 10 of them were due to timeout request, and 5 of them were because the xml file received does not have the quote record.For details, please check missing.txt in the root directory',
'username' => 'StockScrapper',
'icon_emoji' => ':ghost:'
];
// $payload = 『{"channel":"#random","text":"Daily Quote Scrapping Done after 08:00:01\\nOut of 2000 stocks, 50 stocks' xml cannot be downloaded and 0 seems dead.\\nFor details, please check failedDailyQuote2015-08-05.log under app\/storage\/logs\/","username":"StockScrapper","icon_emoji":":ghost:"}"
$payload = json_encode($payload);
var_dump($payload);
$payload = preg_replace("/\n/", 'n', $payload);
var_dump($payload);