打开php7.2手册，搜索curl

function getRequest($url,$type='get', $data = [], $timeout = 10)   (需要更改)
{
    $ssl = stripos($url,'https://') === 0 ? true : false;
    $curlObj = curl_init();
    $options = [
        CURLOPT_URL => $url,
        CURLOPT_RETURNTRANSFER => 1,
        CURLOPT_FOLLOWLOCATION => 1,
        CURLOPT_AUTOREFERER => 1,
        CURLOPT_USERAGENT => 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)',
        CURLOPT_TIMEOUT => $timeout,
        CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_0,
        CURLOPT_HTTPHEADER => ['Expect:'],
        CURLOPT_IPRESOLVE => CURL_IPRESOLVE_V4,
    ];
    if ($type=='post') {
        $options[CURLOPT_POST] = 1;
        $options[CURLOPT_POSTFIELDS] = $data;
    }

    if ($ssl) {
        //support https
        $options[CURLOPT_SSL_VERIFYHOST] = false;
        $options[CURLOPT_SSL_VERIFYPEER] = false;
    }
    curl_setopt_array($curlObj, $options);
    $returnData = curl_exec($curlObj);
    if (curl_errno($curlObj)) {
        //error message
        $returnData = curl_error($curlObj);
    }
    curl_close($curlObj);
    return $returnData;
}