Resources

Test Doubles

• PHP-Mock: for mocking built-in php functions – includes libraries for integrating with PHPUnit, Mockery and Prophecy.
• 5 Types of Test Doubles

PHPUnit

• How to clean up memory being used by PHPUnit (fixes PHPUnit running out of memory)

General TDD

• jbrains.ca online training – Paid courses from one of the smartest people I’ve ever heard talk about TDD.