Merhaba Arkadaşlar
ping göndermeye çalışıyorum, bütün bilgileri girdiğim halde göndermiyor, kod bloğu aşağıdaki gibi, yardımlarınızı bekliyorum

pingayarlari.php

<?php
$ayar_dizi = $db->prepare("SELECT * FROM pingservice WHERE id=?");
$ayar_dizi->execute([1]);
?>
<div class="col-12 grid-margin stretch-card">
        <div class="card card-ping">
            <div class="card-body">
                <div class="row mb-3">
                    <div class="col-12 grid-margin stretch-card">
                        <div class="card">
                            <div class="card-body">
                                <form class="forms-sample" method="post" action="" enctype="multipart/form-data">
                                    <div class="form-group">
                                        <label for="postUrl">Başlık</label>
                                        <input type="text" name="siteAdi" id="siteAdi" class="form-control w-100">
                                    </div>
                                    <div class="form-group">
                                        <label for="postUrl">Site Url</label>
                                        <input type="text" name="siteURL" id="siteURL" class="form-control w-100">
                                    </div>
                                    <div class="form-group">
                                        <label for="postUrl">Site Url XML</label>
                                        <input type="text" name="siteRssURL" id="siteRssURL" class="form-control w-100">
                                    </div>
                                    <button type="submit" name="ping_at" class="btn btn-primary btn-icon-text btn-sm"><i class="mdi mdi-file-send btn-icon-prepend"></i> GÖNDER</button>
                                </form>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="table-responsive">
                    <table id="order-listingg" class="table table-bordered table-hover">
                        <thead class="headbg">
                            <tr>
                                <th>Ping URL</th>
                                <th style="width:140px;" class="text-center">Durum</th>
                            </tr>
                        </thead>
                        <tbody>
                            <?php
                                foreach (explode("\n", $Sonuc["postUrl"]) as $str) {
                                    echo '<tr data-host="' . trim($str) . '">';
                                    echo '<td>' . trim($str) . '</td>';
                                    echo '<td></td>';
                                    echo '</tr>';
                                }
                            ?>
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
<script>
    function ping_at(){
        let $first = $(".card-ping table tbody tr:not(.ok)").first();

        if ($first.length) {
            $first.find("td").eq(1).text("Please wait..");
            $.ajax({
                url: "/inc/pnggon.php",
                type: "POST",
                dataType: "JSON",
                data: {
                    siteAdi: $("#siteAdi").val(),
                    siteURL: $("#siteURL").val(),
                    siteRssURL: $("#siteRssURL").val(),
                    ping_at: $first.data("host")
                },
                success: function(json){
                    $first.addClass("ok");
                    $first.find("td").eq(1).css("color", json.status ? "green" : "red").text(json.status ? "Başarılı" : "Başarısız");

                    //ping_at();
                }
            })
        }
    }
    window.addEventListener("load", function(){
        $("button[name=ping_at]").click(function(event){
            event.preventDefault();
            ping_at();
        });
    });
</script>

----------------------------

pnggon.php

<?php
require_once "db.php";
require_once "fnc.php";
if (isset($_POST['ping_at'])) {
    function xmlrpc_encode_request($method, $dizi) {
        $output .= '<?xml version="1.0"?>';
        $output .= '<methodCall>';
        $output .= '<methodName></methodName>';
        $output .= '<params>';
        $output .= '<param><value><string>'.$dizi[0].'</string></value></param>';
        $output .= '<param><value><string>'.$dizi[1].'</string></value></param>';
        $output .= '<param><value><string>'.$dizi[2].'</string></value></param>';
        $output .= '</params></methodCall>';
        return $output;
    }
    function xmlrpc_ping() {
        $request = xmlrpc_encode_request('', array($_POST['siteAdi'], $_POST['siteURL'], $_POST['siteRssURL']) );
        exit($request);
        $header[] = "Host: $host";
        $header[] = "Content-type: text/xml";
        $header[] = "Content-length: ".strlen($request) . "\r\n";
        $header[] = $request;
    
        $ch = curl_init();
        curl_setopt( $ch, CURLOPT_URL, $pingurl);
        curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
        curl_setopt( $ch, CURLOPT_HTTPHEADER, $header );
        curl_setopt( $ch, CURLOPT_CUSTOMREQUEST, 'POST' );
        $result = curl_exec( $ch );
        curl_close($ch);
        if (preg_match('|0|', $result)) {
            return true;
        } else {
            return false;
        }
    }

    header('Content-type: application/json');

    exit(json_encode(array('status' => xmlrpc_ping())));
}
?>