How to install composer in Mac OSX?

Composer is a tool for dependency management in PHP. We also can call it a cross-platform dependency manager for PHP. It allows us to declare the depend libraries for projects and it will manage (install/update) those libraries for the project.

Following are the steps to download and install composer from command line:

Download composer:

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

If we run the above command it will create a phar (PHP Archive) file called composer.phar.

Move composer.phar file to bin directory:

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

Change composer.phar file permission :

$ sudo chmod 755 /usr/local/bin/composer.phar

Open the .bash_profile file:

$ vi ~/.bash_profile

Make composer executable:

Paste the following line at the end of the .bash_profile file and save the file

$ alias composer="php /usr/local/bin/composer.phar"

alias composer=”php /usr/local/bin/composer.phar”
and then run this command:

source ~/.bash_profile

Check composer the version:

composer –version

~ $ composer
   ______
  / ____/___  ____ ___  ____  ____  ________  _____
 / /   / __ \/ __ `__ \/ __ \/ __ \/ ___/ _ \/ ___/
/ /___/ /_/ / / / / / / /_/ / /_/ (__  )  __/ /
\____/\____/_/ /_/ /_/ .___/\____/____/\___/_/
                    /_/
Composer version 1.9.0 2019-08-02 20:55:32

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.
      --no-cache                 Prevent use of the cache
  -v|vv|vvv, --verbose           Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug
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