Отправка запроса на вебхук с помощью PHP

В PHP для отправки запроса на вебхук можно воспользоваться механизмом CURL

      $webhookurl = "https://discord.com/api/webhooks/900661487973040139/d2meveQNX10gjKsf7eXvVxx_cJXYLB0YvYfv2_ppamgx1AUoXlc3HwTBHMRHXLnkAlwx";

      $timestamp = date("c", strtotime("now"));

      $json_data = json_encode([
        "content" => "Еще одно сообщение с сайта 12",

        "username" => "Mikhalkevich",

        "tts" => false,

        // "file" => "",

        // Embeds Array
        "embeds" => [
          [
            // Embed Title
            "title" => "PHP - Send message to Discord (embeds) via Webhook",

            // Embed Type
            "type" => "rich",

            // Embed Description
            "description" => "Description will be here, someday, you can mention users here also by calling userID <@12341234123412341>",

            // URL of title link
            "url" => "https://github.com/mikhalkevich",

            // Timestamp of embed must be formatted as ISO8601
            "timestamp" => $timestamp,

            // Embed left border color in HEX
            "color" => hexdec( "3366ff" ),

            // Footer
            "footer" => [
              "text" => "GitHub.com/Mikhalkevich",
              "icon_url" => "http://erud.by/accounts/1/s_1.jpg"
            ],

            // Image to send
            "image" => [
              "url" => "http://erud.by/accounts/1/s_1.jpg"
            ],

            "author" => [
              "name" => "Alexandr",
              "url" => "https://github.com/mikhalkevich/"
            ],

            // Additional Fields array
            "fields" => [
              // Field 1
              [
                "name" => "Field #1 Name",
                "value" => "Field #1 Value",
                "inline" => false
              ],
              // Field 2
              [
                "name" => "Field #2 Name",
                "value" => "Field #2 Value",
                "inline" => true
              ]
              // Etc..
            ]
          ]
        ]
 
      ], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE );


      $ch = curl_init( $webhookurl );
      curl_setopt( $ch, CURLOPT_HTTPHEADER, array('Content-type: application/json'));
      curl_setopt( $ch, CURLOPT_POST, 1);
      curl_setopt( $ch, CURLOPT_POSTFIELDS, $json_data);
      curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, 1);
      curl_setopt( $ch, CURLOPT_HEADER, 0);
      curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1);

      $response = curl_exec( $ch );
      //echo $response;
      curl_close( $ch );