对于Windows10 Pro，请按照以下步骤修复此问题。选择属性检查Unblock程序选项。运行安装程序，使用Admin权限运行命令CMD。在命令提示符下运行composer——version以确保它是全局安装的。你现在应该能够运行作曲家require drush/drush这是为了使用作曲家的drush依赖。

用这个:

php -r "readfile('https://getcomposer.org/installer');" | php

我发现这工作，因为我没有卷曲安装。在Windows 8上安装XAMPP。它会将它添加到您的本地构建，我使用.gitignore来避免回购

php -r "readfile('https://getcomposer.org/installer');" | php

我在这里找到了:https://getcomposer.org/download/

对于Windows:)

composer update
composer self-update 

你被要求获得用户许可

还有一个命令:

composer require that_extention_you_want 

(而不是第一个:PHP composer。phar that_extention_you_want)

朋友们，请按照以下步骤在MAC OS中修复此问题

Step 1: first run the command in Terminal with your project directory $ curl -sS https://getcomposer.org/installer | php Step 2: Move the composer.phar in your project directory $ mv composer.phar /Applications/MAMP/htdocs/bashrushAPI/composer.phar Step 3: Setup alias the composer $ alias composer='/Applications/MAMP/htdocs/bashrushAPI/composer.phar' Step 4: Check the composer version now $ composer --version Composer version 1.7.2 2018-08-16 16:57:12 Step 5: Confirm the project folders and file placed on bellow $ ls CONTRIBUTING.md docker-compose.yml templates README.md logs tests composer.json phpunit.xml vendor composer.lock public composer.phar src Step 6: Now update composer $ composer.phar update Loading composer repositories with package information Updating dependencies (including require-dev) Nothing to install or update Generating autoload files Step 7: Run your sample project $ php composer.phar start php -S localhost:8080 -t public [Thu Sep 27 03:16:11 2018] ::1:51177 [200]: / [Thu Sep 27 03:16:11 2018] ::1:51178 [404]: /favicon.ico - No such file or directory

如果已经安装了编写器，您只需要知道编写器的位置。Phar文件是(它的目录)，然后您移动到您的symfony项目，在那里您有编写器。Json，然后从那个目录执行你的作曲器。phar文件。这是你必须做的。

symfony project directory_where_composer.json_is>php the_directory_where_composer.phar_is/composer update 

这是所有