获取API返回值

//$return=getApiResult($url);

//    if ($return==200){

//        //.....

//    }

function getApiResult($url){

    if(function_exists('file_get_contents')){

        $file_contents = file_get_contents($url);

    }

    else{

        $ch = curl_init();

        $timeout = 5;

        curl_setopt ($ch, CURLOPT_URL, $url);

        curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);

        curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);

        $file_contents = curl_exec($ch);

        curl_close($ch);



    }

    return $file_contents;

}