By Manuel Lemos
PHPUnit is a popular tool frequently used by PHP developers for testing PHP projects.
You do not need to run tests of a project every time if the project files do not change.
This class can automate the execution of tests using PHPUnit only after your project files are changed.
It can determine which files are used in the tests and check if they changed to determine if the tests should be rerun.
Source: Read MoreÂ