What steps should be taken to ensure smooth collaboration and version control when multiple developers are working on a PHP project using GIT?

To ensure smooth collaboration and version control when multiple developers are working on a PHP project using GIT, developers should follow best practices such as creating branches for new features or bug fixes, regularly pulling changes from the main repository, resolving conflicts promptly, and using descriptive commit messages. Additionally, developers should communicate effectively and coordinate their work to avoid stepping on each other's toes.

// Example of creating a new branch for a feature in GIT using PHP
exec('git checkout -b new-feature-branch');