CURL重试发送请求

$url1 = 'http://mk.2000tuan.com/coupon4/apiv2/getMcoupon.php;

function curlGet($url) {
    $handle = curl_init();
    curl_setopt($handle, CURLOPT_URL, $url);
    curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, false);

    $result = exeBySetTimes(3, $handle);
    curl_close($handle);
    return $result;
}

function exeBySetTimes($count, $curl) {
    $result = curl_exec($curl);
    if (curl_errno($curl)) {
        echo("请求错误: " . curl_errno($curl));

        if ($count > 0) {
            $count--;
            $result = exeBySetTimes($count, $curl);
        }
    }
    return $result;
}

var_dump(curlGet($url1));