run composer install code example
Example 1: install composer mac
curl -sS https://getcomposer.org/installer | php
php composer.phar install
mv composer.phar /usr/local/bin/composer
open -e ~/.zshrc
// or open -e ~/.bash_profile
alias composer="php /usr/local/bin/composer"
Example 2: update composer php version
php7.3 -f /usr/local/bin/composer update
Example 3: update composer
To update composer command just find location of composer.phar and update as:
where composer #Retrieves you location of your composer.phar
cd path_to_composer.phar #Move to directory with composer.phar
php composer.phar self-update #Update your composer
Example 4: where do you install composer
// Adding permissions after installing Composer on Mac OSX
sudo chmod 755 /usr/local/bin/composer.phar