update cn-introduction/03-cli.md
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下列选项可与每一个命令结合使用：
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* **--verbose (-v):** 增加反馈信息的详细度，
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* -v 表示正常输出
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* -vv 表示更详细的输出
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* -vvv 则是为了 debug
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* **--help (-h):** Display help information.
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* **--quiet (-q):** Do not output any message.
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* **--no-interaction (-n):** Do not ask any interactive question.
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* **--working-dir (-d):** If specified, use the given directory as working directory.
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* **--profile:** Display timing and memory usage information
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* **--ansi:** Force ANSI output.
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* **--no-ansi:** Disable ANSI output.
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* **--version (-V):** Display this application version.
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* **--verbose (-v):** 增加反馈信息的详细度。
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* -v 表示正常输出。
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* -vv 表示更详细的输出。
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* -vvv 则是为了 debug。
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* **--help (-h):** 显示帮助信息。
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* **--quiet (-q):** 禁止输出任何信息。
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* **--no-interaction (-n):** 不要询问任何交互问题。
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* **--working-dir (-d):** 如果指定的话，使用给定的目录作为工作目录。
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* **--profile:** 显示时间和内存使用信息。
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* **--ansi:** 强制 ANSI 输出。
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* **--no-ansi:** 关闭 ANSI 输出。
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* **--version (-V):** 显示当前应用程序的版本信息。
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## Process Exit Codes
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## 进程退出代码
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* **0:** OK
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* **1:** Generic/unknown error code
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* **2:** Dependency solving error code
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* **0:** 正常
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* **1:** 通用/未知错误
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* **2:** 依赖关系处理错误
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## init
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## 初始化 `init`
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In the [Libraries](02-libraries.md) chapter we looked at how to create a
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`composer.json` by hand. There is also an `init` command available that makes
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it a bit easier to do this.
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在 [“库”](02-libraries.md) 那一章我们看到了如何手动创建 `composer.json` 文件。实际上还有一个 `init` 命令可以更容易的做到这一点。
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When you run the command it will interactively ask you to fill in the fields,
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while using some smart defaults.
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当您运行该命令，它会以交互方式要求您填写一些信息，同时聪明的使用一些默认值。
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$ php composer.phar init
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### Options
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### 初始化选项
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* **--name:** Name of the package.
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* **--description:** Description of the package.
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* **--author:** Author name of the package.
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* **--homepage:** Homepage of the package.
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* **--require:** Package to require with a version constraint. Should be
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in format `foo/bar:1.0.0`.
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* **--require-dev:** Development requirements, see **--require**.
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* **--stability (-s):** Value for the `minimum-stability` field.
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* **--name:** 包的名称。
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* **--description:** 包的描述。
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* **--author:** 包的作者。
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* **--homepage:** 包的主页。
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* **--require:** 需要依赖的其它包，必须要有一个版本约束。并且应该遵循 `foo/bar:1.0.0` 这样的格式。
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* **--require-dev:** 开发版的依赖包，内容格式与 **--require** 相同。
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* **--stability (-s):** `minimum-stability` 字段的值。
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## install
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## 安装 `install`
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The `install` command reads the `composer.json` file from the current
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directory, resolves the dependencies, and installs them into `vendor`.
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If there is no `composer.lock` file, composer will create one after dependency
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resolution.
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### Options
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### 安装选项
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* **--prefer-source:** There are two ways of downloading a package: `source`
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and `dist`. For stable versions composer will use the `dist` by default.
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autoloader. This is recommended especially for production, but can take
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a bit of time to run so it is currently not done by default.
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## update
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## 更新 `update`
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In order to get the latest versions of the dependencies and to update the
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`composer.lock` file, you should use the `update` command.
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$ php composer.phar update vendor/*
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### Options
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### 更新选项
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* **--prefer-source:** Install packages from `source` when available.
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* **--prefer-dist:** Install packages from `dist` when available.
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* **--with-dependencies** Add also all dependencies of whitelisted packages to the whitelist.
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So all packages with their dependencies are updated recursively.
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## require
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## 申明依赖 `require`
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The `require` command adds new packages to the `composer.json` file from
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the current directory.
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@ -141,7 +137,7 @@ to the command.
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$ php composer.phar require vendor/package:2.* vendor/package2:dev-master
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### Options
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### 申明依赖的选项
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* **--prefer-source:** Install packages from `source` when available.
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* **--prefer-dist:** Install packages from `dist` when available.
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