PHP 的一个依赖管理工具Composer

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

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

mv composer.phar /usr/local/bin/composer

composer -V

{    "require": {        "monolog/monolog": "1.0.*"    }}

$log = new Monolog\Logger('name');$log->pushHandler(new Monolog\Handler\StreamHandler('app.log', Monolog\Logger::WARNING));$log->addWarning('Foo');

composer create-project topthink/thinkphp myProjectNamecd myProjectNamevim composer.json

    "require": {        "php": ">=5.3.0",         "monolog/monolog": "1.0.*"    },    找到http://packagist.phpcomposer.com改为https://packagist.phpcomposer.com

composer install

    composer update

    composer update vendor/package vendor/package2

    composer update vendor/*