8. Composer is a tool for
dependency management
in PHP. It allows you to
declare the dependent
libraries your project needs
and it will install them in
your project for you.
21. Install vs Update
•composer.lock
•tracks versions of
dependencies used
•commit it
•install-looks for composer.lock
then composer.json
•update-looks straight at
composer.json and updates
composer.lock
22. Working in a Team
•Elect a dependency
manager
• manages and commits
composer files
•add vendor folder to git/svn
ignore