2 Step Install composer on your Mac or Linux

2 Step Install composer on your Mac or Linux

        Composer is an important tool for web developer. This article will teach you how to install Composer and run Composer Globally


Step1 Download Composer

Open your terminal and use CURL to download composer

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

Or if you can not curl,  You can using the command below.

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


Step2 Move Composer to bin ( Globally )

Enter "sudo su" in your terminal.

sudo su

Then, Enter "mv composer.phar /usr/local/bin/composer" in your terminal.

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


Installation Composer Finished

you should type exit to leave the root shell, Now composer ready to use.

You can testing by Enter "composer" on your terminal. you can see.

   ______
  / ____/___  ____ ___  ____  ____  ________  _____
 / /   / __ \/ __ `__ \/ __ \/ __ \/ ___/ _ \/ ___/
/ /___/ /_/ / / / / / / /_/ / /_/ (__  )  __/ /
\____/\____/_/ /_/ /_/ .___/\____/____/\___/_/
                    /_/
Composer version 1.0-dev (a309e1d89ded6919935a842faeaed8e888fbfe37) 2014-10-20 19:16:14

Usage:
  [options] command [arguments]

Options:
  --help           -h Display this help message.
  --quiet          -q Do not output any message.
  --verbose        -v|vv|vvv Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug
  --version        -V Display this application version.
  --ansi              Force ANSI output.
  --no-ansi           Disable ANSI output.
  --no-interaction -n Do not ask any interactive question.
  --profile           Display timing and memory usage information
  --working-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
  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 depend on the given package
  diagnose         Diagnoses the system to identify common errors.
  dump-autoload    Dumps the autoloader
  dumpautoload     Dumps the autoloader
  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.
  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
  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
  update           Updates your dependencies to the latest version according to composer.json, and updates the composer.lock file.
  validate         Validates a composer.json

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