Install Composer on mac OS X El Capitan

Install download the composer using the following curl command in the terminal:

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

After the command, you will have composer.phar file in the current directory.

In order to make composer available globally, you have to move the recently downloaded composer.phar to local user’s bin folder as follow:

• go to /usr/local/bin folder . You can click Shift + Command + G to open the dialog to go to folder.
• move the recently downloaded composer.phar in the usr/local/bin folder
• create a alias using command alias composer="php /usr/local/bin/composer.phar"

Now, you can access the composer from the terminal simply using the composer command. That’s it.