PHP管理依赖(dependency)关系工具 Composer 安装与使用

curl -sS https://getcomposer.org/installer | PHP 
#!/usr/bin/env php 
some settings on your machine make Composer unable to work properly. 
Make sure that you fix the issues listed below and run this script again:

The phar extension is missing. 
Install it or recompile php without Cdisable-phar

Your PHP (5.2.9) is too old, you must upgrade to PHP 5.3.2 or higher.

E:\USB\Dropbox\phpstorm\php53>E:\USB\xampp_177\php\php.exe -v 
PHP 5.3.8 (cli) (built: Aug 23 2011 11:50:20) 
Copyright (c) 1997-2011 The PHP Group 
Zend Engine v2.3.0, Copyright (c) 1998-2011 Zend Technologies

E:\USB\Dropbox\phpstorm\php53>curl -sS https://getcomposer.org/installer | E:\USB\xampp_177\php\php.exe 
#!/usr/bin/env php 
Some settings on your machine may cause stability issues with Composer. 
If you encounter issues, try to change the following:

The openssl extension is missing, which will reduce the security and stability o 
f Composer. 
If possible you should enable it or recompile php with Cwith-openssl

Downloading…

Composer successfully installed to: E:\USB\Dropbox\phpstorm\php53\composer.phar 
Use it: php composer.phar

curl -sS https://getcomposer.org/installer | /usr/php/53/usr/bin/php

E:\USB\Dropbox\phpstorm\php53>E:\USB\xampp_177\php/php.exe composer.phar -V 
Composer version 0209bd31a0ac3aeb2a68fc81e2d03c71072bef33

E:\USB\Dropbox\phpstorm\php53>E:\USB\xampp_177\php/php.exe composer.phar 
  ______ 
 / ____/___ ____ ___ ____ ____ ________ _____ 
/ /  / __ \/ __ `__ \/ __ \/ __ \/ ___/ _ \/ ___/ 
/ /___/ /_/ / / / / / / /_/ / /_/ (__ ) __/ / 
\____/\____/_/ /_/ /_/ .___/\____/____/\___/_/ 
          /_/ 
Composer version 0209bd31a0ac3aeb2a68fc81e2d03c71072bef33

Usage: 
 [options] command [arguments]

Options: 
 Chelp      -h Display this help message. 
 Cquiet     -q Do not output any message. 
 Cverbose    -v Increase verbosity of messages. 
 Cversion    -V Display this application version. 
 Cansi       Force ANSI output. 
 Cno-ansi      Disable ANSI output. 
 Cno-interaction -n Do not ask any interactive question. 
 Cprofile      Display timing and memory usage information 
 Cworking-dir  -d If specified, use the given directory as working directory 
.

Available commands: 
 about      Short information about Composer 
 archive     Create an archive of this composer package 
 config      Set config options 
 create-project  Create new project from a package into given directory. 
 depends     Shows which packages depend on the given package 
 diagnose     Diagnoses the system to identify common errors. 
 dump-autoload  Dumps the autoloader 
 dumpautoload   Dumps the autoloader 
 help       Displays help for a command 
 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. 
 list       Lists commands 
 require     Adds required packages to your composer.json and installs the 
m 
 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 
 update      Updates your dependencies to the latest version according to 
composer.json, and updates the composer.lock file. 
 validate     Validates a composer.json

E:\USB\Dropbox\phpstorm\php53>E:\USB\xampp_181\php\php.exe -v 
PHP 5.4.7 (cli) (built: Sep 12 2012 23:48:31) 
Copyright (c) 1997-2012 The PHP Group 
Zend Engine v2.4.0, Copyright (c) 1998-2012 Zend Technologies

E:\USB\Dropbox\phpstorm\php54>curl -sS https://getcomposer.org/installer | E:\USB\xampp_181\php\php.exe 
#!/usr/bin/env php 
Some settings on your machine may cause stability issues with Composer. 
If you encounter issues, try to change the following:

The openssl extension is missing, which will reduce the security and stability o 
f Composer. 
If possible you should enable it or recompile php with Cwith-openssl

Downloading…

Composer successfully installed to: E:\USB\Dropbox\phpstorm\php54\composer.phar 
Use it: php composer.phar

E:\USB\Dropbox\phpstorm\php54>E:\USB\xampp_181\php/php.exe composer.phar -V 
Composer version 0209bd31a0ac3aeb2a68fc81e2d03c71072bef33

php composer.phar create-project symfony/framework-standard-edition path/ 2.2.1

E:\USB\Dropbox\phpstorm\php54>E:\USB\xampp_181\php/php.exe composer.phar create-project symfony/framework-standard-edition E:\USB\xampp_181\htdocs\Symfony 2.2.1

Installing symfony/framework-standard-edition (v2.2.1) 
 C Installing symfony/framework-standard-edition (v2.2.1) 
  Downloading: 100%
Created project in E:\USB\xampp_181\htdocs\Symfony 
Loading composer repositories with package information 
Installing dependencies from lock file 
 C Installing doctrine/lexer (v1.0) 
  Downloading: 100%
 C Installing doctrine/annotations (v1.1) 
  Downloading: 100%
 C Installing doctrine/cache (v1.0) 
  Downloading: 100%
 C Installing doctrine/collections (v1.1) 
  Downloading: 100%
 C Installing twig/twig (v1.12.2) 
  Downloading: 100%
 C Installing psr/log (1.0.0) 
  Downloading: 100%
 C Installing doctrine/inflector (v1.0) 
  Downloading: 100%
 C Installing doctrine/common (2.4.0-RC1) 
  Downloading: 100%
 C Installing symfony/symfony (v2.2.1) 
  Downloading: 100%
 C Installing jdorn/sql-formatter (v1.2.0) 
  Downloading: 100%
 C Installing doctrine/dbal (2.3.3) 
  Downloading: 100%
 C Installing doctrine/doctrine-bundle (v1.2.0-beta1) 
  Downloading: 100%
 C Installing doctrine/orm (2.3.3) 
  Downloading: 100%
 C Installing jms/cg (1.0.0) 
  Downloading: 100%
 C Installing phpoption/phpoption (1.2.0) 
  Downloading: 100%
 C Installing jms/parser-lib (1.0.0) 
  Downloading: 100%
 C Installing jms/metadata (1.3.0) 
  Downloading: 100%
 C Installing jms/aop-bundle (1.0.0) 
  Downloading: 100%
 C Installing jms/di-extra-bundle (1.3.0) 
  Downloading: 100%
 C Installing jms/security-extra-bundle (1.4.0) 
  Downloading: 100%
 C Installing sensio/distribution-bundle (v2.2.1) 
  Downloading: 100%
 C Installing sensio/framework-extra-bundle (v2.2.1) 
  Downloading: 100%
 C Installing sensio/generator-bundle (v2.2.1) 
  Downloading: 100%
 C Installing kriswallsmith/assetic (v1.1.0-alpha4) 
  Downloading: 100%
 C Installing symfony/assetic-bundle (v2.1.2) 
  Downloading: 100%
 C Installing monolog/monolog (1.4.1) 
  Downloading: 100%
 C Installing symfony/monolog-bundle (v2.2.0) 
  Downloading: 100%
 C Installing swiftmailer/swiftmailer (v4.3.0) 
  Downloading: 100%
 C Installing symfony/swiftmailer-bundle (v2.2.0) 
  Downloading: 100%
 C Installing twig/extensions (v1.0.0) 
  Downloading: 100%

kriswallsmith/assetic suggests installing leafo/lessphp (Assetic provides the integration with the lessphp LESS compiler) 
kriswallsmith/assetic suggests installing leafo/scssphp (Assetic provides the integration with the scssphp SCSS compiler) 
kriswallsmith/assetic suggests installing leafo/scssphp-compass (Assetic provides the integration with the SCSS compass plugin) 
kriswallsmith/assetic suggests installing ptachoire/cssembed (Assetic provides the integration with phpcssembed to embed data uris) 
monolog/monolog suggests installing doctrine/couchdb (Allow sending log messages to a CouchDB server) 
monolog/monolog suggests installing ext-amqp (Allow sending log messages to an AMQP server (1.0+ required)) 
monolog/monolog suggests installing ext-mongo (Allow sending log messages to a MongoDB server) 
monolog/monolog suggests installing mlehner/gelf-php (Allow sending log messages to a GrayLog2 server) 
monolog/monolog suggests installing raven/raven (Allow sending log messages to a Sentry server) 
Generating autoload files 
Clearing the cache for the dev environment with debug true 
Installing assets using the hard copy option 
Installing assets for Symfony\Bundle\FrameworkBundle into web/bundles/framework 
Installing assets for Acme\DemoBundle into web/bundles/acmedemo 
Installing assets for Sensio\Bundle\DistributionBundle into web/bundles/sensiodistribution

{ 
  "require": { 
    "monolog/monolog": "1.2.*" 
  } 
}