PHP中composer的安装和使用

$ composer

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Composer version 1.2.0 2016-07-19 01:28:52

Usage:

command [options] [arguments]

Options:

-h, --help                     Display this help message

-q, --quiet                    Do not output any message

-V, --version                  Display this application version

--ansi                     Force ANSI output

--no-ansi                  Disable ANSI output

-n, --no-interaction           Do not ask any interactive question

--profile                  Display timing and memory usage information

--no-plugins               Whether to disable plugins.

-d, --working-dir=WORKING-DIR  If specified, use the given directory as working directory.

-v|vv|vvv, --verbose           Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug

Available commands:

about           Short information about Composer

archive         Create an archive of this composer package

browse          Opens the package's repository URL or homepage in your browser.

clear-cache     Clears composer's internal package cache.

clearcache      Clears composer's internal package cache.

config          Set config options

create-project  Create new project from a package into given directory.

depends         Shows which packages cause the given package to be installed

diagnose        Diagnoses the system to identify common errors.

dump-autoload   Dumps the autoloader

dumpautoload    Dumps the autoloader

exec            Execute a vendored binary/script

global          Allows running commands in the global composer dir ($COMPOSER_HOME).

help            Displays help for a command

home            Opens the package's repository URL or homepage in your browser.

info            Show information about packages

init            Creates a basic composer.json file in current directory.

install         Installs the project dependencies from the composer.lock file if present, or falls back on the composer.json.

licenses        Show information about licenses of dependencies

list            Lists commands

outdated        Shows a list of installed packages that have updates available, including their latest version.

prohibits       Shows which packages prevent the given package from being installed

remove          Removes a package from the require or require-dev

require         Adds required packages to your composer.json and installs them

run-script      Run the scripts defined in composer.json.

search          Search for packages

self-update     Updates composer.phar to the latest version.

selfupdate      Updates composer.phar to the latest version.

show            Show information about packages

status          Show a list of locally modified packages

suggests        Show package suggestions

update          Updates your dependencies to the latest version according to composer.json, and updates the composer.lock file.

validate        Validates a composer.json and composer.lock

why             Shows which packages cause the given package to be installed

why-not         Shows which packages prevent the given package from being installed

参考文档：

https://blog.csdn.net/gy__my/article/details/78971487