はLaravel（Windows）をインストールすることはできません

Question

C:\Users\User>composer global require "laravel/installer" 
Changed current directory to C:/Users/User/AppData/Roaming/Composer 
You are running Composer with SSL/TLS protection disabled. 
Warning: Accessing packagist.org over http which is an insecure protocol. 
Using version ^1.3 for laravel/installer 
./composer.json has been updated 
Loading composer repositories with package information 
Warning: Accessing packagist.org over http which is an insecure protocol. 
Updating dependencies (including require-dev) 
Your requirements could not be resolved to an installable set of packages. 

    Problem 1 
    - guzzle/guzzle v3.9.3 requires ext-curl * -> the requested PHP extension curl is missing from your system. 
    - guzzle/guzzle v3.9.2 requires ext-curl * -> the requested PHP extension curl is missing from your system. 
    - guzzle/guzzle v3.9.1 requires ext-curl * -> the requested PHP extension curl is missing from your system. 
    - guzzle/guzzle v3.9.0 requires ext-curl * -> the requested PHP extension curl is missing from your system. 
    - guzzle/guzzle v3.8.1 requires ext-curl * -> the requested PHP extension curl is missing from your system. 
    - guzzle/guzzle v3.8.0 requires ext-curl * -> the requested PHP extension curl is missing from your system. 
    - rackspace/php-opencloud dev-master requires guzzle/guzzle ~3.8 -> satisfiable by guzzle/guzzle[v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2, v3.9.3]. 
    - Installation request for rackspace/php-opencloud dev-master -> satisfiable by rackspace/php-opencloud[dev-master]. 

、私は私はPHPと作曲、アンパックカールをインストールし、私は前に作曲で働いたことはありませんベックエンドでbeginerていますので、Windows上でLaravel 5.4をインストールすることはできませんルートディレクトリですが、私はエラーがあります。

Answer 1

あなたはPHPのカール拡張機能を持っていません。

[Install curl for windows][1] 

1： How do I install cURL on Windows?

そして、あなたはロシアのためにスタックオーバーフローするrussion言語で質問を追加してください。 Stack on russian