phpでhttp,htttps通信用関数

function get_url_data($url){
    $ch = curl_init($url);
    session_start();
//    curl_setopt($ch, CURLOPT_URL,$url);
    //証明書を無視
    curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false );
    //タイムアウトの設定
    curl_setopt( $ch, CURLOPT_TIMEOUT, 50 );
    $getCode = curl_exec($ch);
    curl_close($ch);
    return $getCode;
}

// POST用のメソッド
function get_url_data_post($url,$arr){
    $postdata = http_build_query($arr);

    $ch = curl_init();
    session_start();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_TIMEOUT, 50);

    $getCode = curl_exec($ch);
    curl_close($ch);
    return $getCode;
}