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为了从命令行获得帮助信息,请运行 `composer` 或者 `composer list` 命令,然后结合 `--help` 命令来获得更多的帮助信息。
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## 全局选项
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## 全局参数
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下列选项可与每一个命令结合使用:
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下列参数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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$ php composer.phar init
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### 初始化选项
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### 初始化参数
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* **--name:** 包的名称。
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* **--description:** 包的描述。
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如果没有 `composer.lock` 文件,composer 将在处理完依赖关系后创建它。
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### 安装选项
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### 安装参数
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* **--prefer-source:** 下载包的方式有两种: `source`
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和 `dist`。对于稳定版本 composer 将默认使用 `dist` 方式。而 `source` 表示版本控制源 。如果 `--prefer-source` 是被启用的,composer 将从 `source` 安装(如果有的话)。如果想要使用一个 bugfix 到你的项目,这是非常有用的。并且可以直接从本地的版本库直接获取依赖关系。
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$ php composer.phar update vendor/*
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### 更新选项
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### 更新参数
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* **--prefer-source:** 当有可用的包时,从 `source` 安装。
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* **--prefer-dist:** 当有可用的包时,从 `dist` 安装。
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$ php composer.phar require vendor/package:2.* vendor/package2:dev-master
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### 申明依赖的选项
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### 申明依赖的参数
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* **--prefer-source:** 当有可用的包时,从 `source` 安装。
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* **--prefer-dist:** 当有可用的包时,从 `dist` 安装。
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* **--no-update:** 禁用依赖关系的自动更新。
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* **--no-progress:** 移除进度信息,这可以避免一些不处理换行的终端或脚本出现混乱的显示。
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## global
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## 全局执行 `global`
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The global command allows you to run other commands like `install`, `require`
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or `update` as if you were running them from the [COMPOSER_HOME](#composer-home)
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directory.
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`global` 命令允许你在 [COMPOSER_HOME](#composer-home) 目录下执行其它命令,像 `install`、`require` 或 `update`。
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This can be used to install CLI utilities globally and if you add
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`$COMPOSER_HOME/vendor/bin` to your `$PATH` environment variable. Here is an
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example:
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并且如果你将 `$COMPOSER_HOME/vendor/bin` 加入到了 `$PATH` 环境变量中,你就可以用它在命令行中安装全局应用,下面是一个例子:
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$ php composer.phar global require fabpot/php-cs-fixer:dev-master
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Now the `php-cs-fixer` binary is available globally (assuming you adjusted
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your PATH). If you wish to update the binary later on you can just run a
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global update:
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现在 `php-cs-fixer` 就可以在全局范围使用了(假设你已经设置了你的 PATH)。如果稍后你想更新它,你只需要运行 `global update`:
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$ php composer.phar global update
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## search
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## 搜索 `search`
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The search command allows you to search through the current project's package
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repositories. Usually this will be just packagist. You simply pass it the
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terms you want to search for.
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`search` 命令允许你为当前项目搜索依赖包,通常它只搜索 packagist.org 上的包,你可以简单的输入你的搜索条件。
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$ php composer.phar search monolog
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You can also search for more than one term by passing multiple arguments.
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您也可以通过传递多个参数来进行多条件搜索。
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### Options
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### 搜索参数
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* **--only-name (-N):** Search only in name.
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* **--only-name (-N):** 仅针对指定的名称搜索(完全匹配)。
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## show
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## 展示 `show`
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To list all of the available packages, you can use the `show` command.
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列出所有可用的软件包,你可以使用 `show` 命令。
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$ php composer.phar show
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If you want to see the details of a certain package, you can pass the package
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name.
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如果你想看到一个包的详细信息,你可以输入一个包名称。
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$ php composer.phar show monolog/monolog
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requires
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php >=5.3.0
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You can even pass the package version, which will tell you the details of that
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specific version.
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你甚至可以输入一个软件包的版本号,来显示该版本的详细信息。
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$ php composer.phar show monolog/monolog 1.0.2
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### Options
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### 展示的参数
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* **--installed (-i):** List the packages that are installed.
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* **--platform (-p):** List only platform packages (php & extensions).
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* **--self (-s):** List the root package info.
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* **--installed (-i):** 列出已安装的依赖包。
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* **--platform (-p):** 仅列出平台软件包(PHP 与它的扩展)。
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* **--self (-s):** 仅列出当前项目信息。
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## depends
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## 依赖性检测 `depends`
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The `depends` command tells you which other packages depend on a certain
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package. You can specify which link types (`require`, `require-dev`)
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should be included in the listing. By default both are used.
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`depends` 命令可以查出已安装在你项目中的某个包,是否正在被其它的包所依赖,并列出他们。
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$ php composer.phar depends --link-type=require monolog/monolog
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symfony/monolog-bridge
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symfony/symfony
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### Options
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### 依赖性检测的参数
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* **--link-type:** The link types to match on, can be specified multiple
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times.
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* **--link-type:** 检测的类型,默认为 `require` 也可以是 `require-dev`。
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## validate
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## 有效性检测 `validate`
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You should always run the `validate` command before you commit your
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`composer.json` file, and before you tag a release. It will check if your
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`composer.json` is valid.
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在提交 `composer.json` 文件,和创建 tag 前,你应该始终运行 `validate` 命令。它将检测你的 `composer.json` 文件是否是有效的
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$ php composer.phar validate
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