<?php
send();
function send() {
    $url = 'http://cl3-uc01gh.huanyuantech.com/acf/send_gift.php';
    $data = [
        'appId' => 'chengfeng',
        'userId' => 5141, // ljl654321
        'orderNum' => time() . rand(1000, 9999),
        'title' => '测试邮件',
        'content' => '测试礼包发送',
        'packages' => json_encode([
            [
                'packageId' => '29044',
                'count' => 10,
            ],
           
        ]),
        'serverId' => 1,
        'roleId' => 65740,
        'time' => time(),
    ];
    $data['sign'] = sign($data);
    var_dump($data);
    $ch = curl_init ();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    $response = curl_exec ($ch);
    curl_close($ch);
    var_dump($response);
}

function sign($params) {
    unset($params['sign']);
    ksort($params);
    $signString = '';
    foreach ($params as $key => $value) {
        $signString .= $value;
    }
    return md5($signString . 'a3f579b5add2342a7ac07017b7650c45');
}