アイドルマスターシンデレラガールズ スターライトステージの新着ニュースをWebhookを通じてDiscordに通知する。

starlight-stage_news_notify.php

<?php
function sendDiscordWebhook($message)
{
    $url = "<DISCORD WEBHOOK URL>";
    
    $data = [
        "content" => $message
    ];
    $header = array(
        "Content-Type: application/json",
        "Content-Length: ".strlen(json_encode($data)),
        "User-Agent: DiscordBot (http://example.com, v0.0.1)"
    );
    $context = array(
        "http" => array(
            "method"  => "POST",
            "header"  => implode("\r\n", $header),
            "content" => json_encode($data)
        )
    );
    $context = stream_context_create($context);
    file_get_contents($url, false, $context);
}

if (file_exists(__DIR__ . "/starlight-stage_readed.json")) {
    $readed = json_decode(file_get_contents(__DIR__ . "/starlight-stage_readed.json"), true);
} else {
    $readed = [];
}
$json = file_get_contents("https://apis.game.starlight-stage.jp/information/ajax_announce");
$json = json_decode($json, true);
foreach ($json["announce_list"] as $one) {
    $id = $one["announce_id"];
    $title = $one["title"];
    $link_num = $one["link_num"];
    $post_at = $one["post_at"];

    if (in_array($id, $readed)) {
        continue;
    }

    $url = "https://apis.game.starlight-stage.jp/information/detail/" . $id . "/1/" . "10" . "/" . $link_num;

    $html = file_get_contents($url);
    preg_match("/<div class=\"text\">([\s\S]+)<\/div>/", $html, $m);

    if (!isset($m[1])) {
        continue;
    }
    $text = $m[1];
    $text = strip_tags($text);
    $text = trim($text);

    sendDiscordWebhook(":new:__**" . $title . "**__ (" . $post_at . ")\n```" . mb_strimwidth($text, 0, 1950, "...") . "```\n" . $url);
    $readed[] = $id;
}
file_put_contents(__DIR__ . "/starlight-stage_readed.json", json_encode($readed));