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How to install Composer globally using MAMP's PHP

##Create an alias to MAMP's PHP installation

To do this, we can simply create an alias for our bash profile. We'll be doing this is nano, though you can do it in vim or a number of other editors as well.

Within the terminal, run:

nano ~/.bash_profile

This will open nano with the contents, at the top in a blank line add the following line:

alias phpmamp='/Applications/MAMP/bin/php/php5.4.10/bin/php'

This will create an alias, phpmamp, so that you can take advantage of the MAMP installation of PHP. Please take note of the PHP version, in this case 5.4.10, as with different versions of MAMP this may be different. Check your installation and see what version you have, and replace the number accordingly (this was written with MAMP version 2.1.2).

With that setup, we are ready to install composer. This is a two step process if we would like this to be installed globally, while you would only need to do the first step if you would like this installed to the local working directory only.

First, run the following command in the terminal:

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

Note that instead of the standard 'php' at the end, we are using 'phpmamp' so that we correctly use the MAMP installation of PHP.

Next, we want to make this available globally, so we need to move the file to '/usr/local/bin/composer'. To do this, run the following command:

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

Terminal will ask you for yor password, after entering it and pressing the 'return' (or enter) key, you'll have a working global installation of composer on your mac that uses MAMP!

You can verify your installation worked by typing the following command:

composer

It'll show you the current version and a list of commands you can use!

@davidrhoden
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davidrhoden commented May 17, 2021

still working in 2021, thank you

@mosaabramadan
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mosaabramadan commented Jun 10, 2021

thanks alot

@patovd
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patovd commented May 18, 2022

In Mac OS, if you get this error

zsh: command not found: phpmamp
curl: (23) Failure writing output to destination

You can fix running this command after create the alias:

source ~/.bash_profile

So, run the curl command.

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