Statuspage to Discord (webhook)

<?php
//Status page to Discord Webhook
$start_time = microtime(true);
$UAstring = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:115.0) Gecko/20100101 Firefox/115.0";

//Discord channel
$webhook_url = 'https://discord.com/api/webhooks/--------Your Discord Web Hook----------------------------------------------------------';

if ($_SERVER['REQUEST_METHOD'] != 'POST') {
    header('HTTP/1.0 405 Method Not Allowed');
    echo "Only POST requests allowed\n";
    exit();
}

if ($_SERVER['CONTENT_TYPE'] != 'application/json') {
    header('HTTP/1.0 415 Unsupported Media Type');
    echo "I only accept application/json data\n";
    exit();
}

$json = file_get_contents('php://input');
$data = json_decode($json, true);

if (!array_key_exists('incident', $data)) exit();

$title       = $data['incident']['name'];
$link        = $data['incident']['shortlink'];
$timestamp   = $data['incident']['updated_at'];
$sta_str     = $data['incident']['status'];

if(     $sta_str == 'investigating') $description = ":yellow_circle:";
else if($sta_str == 'monitoring')    $description = ":yellow_circle:";
else if($sta_str == 'in_progress')   $description = ":yellow_circle:";
else if($sta_str == 'update')        $description = ":red_circle:";
else if($sta_str == 'identified')    $description = ":red_circle:";
else if($sta_str == 'resolved')      $description = ":green_circle:";
else if($sta_str == 'completed')     $description = ":green_circle:";
else if($sta_str == 'scheduled')     $description = ":calendar:";
else                                 $description = ":white_circle:";

//status文字を付加
$description .= " **" . ucfirst($sta_str) . "**\n";

//最新のupdate内容のみを付加
if (count($data['incident']['incident_updates']) >= 1) {
    $description .= $data['incident']['incident_updates'][0]['body'];
}

$message = array(
//  "content"   => "文字のところ 必要ならセットする。",
    "username"  => "Status page",
//  "avatar_url" => "https://my-icons-server.com/avatar_icon.png",
    "embeds" => [
        [
            "title" => $title,
            "type"  => "rich",
            "description" => $description,
            "url"   => $link,
            "timestamp" => $timestamp,
            "color" => hexdec( "73ba00" )
        ]
    ]
);

//Discordへ出力
$ch = curl_init();
curl_setopt_array( $ch, [
    CURLOPT_URL  => $webhook_url,
    CURLOPT_POST => true,
    CURLOPT_HTTPHEADER => array('Content-Type: application/json; charset=utf-8'),
    CURLOPT_USERAGENT  => $UAstring,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_SSL_VERIFYPEER => false,
    CURLOPT_POSTFIELDS => json_encode($message, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE ),
    CURLOPT_TIMEOUT => 60
]);
curl_exec($ch);
curl_close($ch);

$end_time = microtime(true);
echo "ok";
echo "\ntimes = " . ($end_time - $start_time) . " seconds.";
?>