SHELL

installing composer command line

Installing composer commandline
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php -r "if (hash_file('sha384', 'composer-setup.php') === '756890a4488ce9024fc62c56153228907f1545c228516cbf63f885e036d37e9a59d27d63f46af1d4d07ee0f76181c7d3') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
php composer-setup.php
php -r "unlink('composer-setup.php');"

composer for windows

Composer for Windows

https://getcomposer.org/Composer-Setup.exe

windows install composer

Just to download
https://getcomposer.org/download/

where do you install composer

// Adding permissions after installing Composer on Mac OSX
sudo chmod 755 /usr/local/bin/composer.phar

composer install --

composer require tymon/jwt-auth --ignore-platform-reqs