PHP程序发送HTTP请求代码

function curl_get($url,&$httpCode = 0){
    $ch = curl_init();
    curl_setopt($ch,CURLOPT_URL,$url);
    curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);

    curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
    curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,10);
    $file_contents = curl_exec($ch);
    $httpCode = curl_getinfo($ch,CURLINFO_HTTP_CODE);
    curl_close($ch);
    return $file_contents;
}