Exercise for AFW

Notes on the solution

• This makes use of composer and php-di version 4 http://php-di.org/ for dependency injection.
• Additionally composer is used for psr-0 autoloading of libraries.
• Mocking is used in conjunction with DI to make testing easier.

DI Configuration files

./config.php (for 'production' version) ./test/config.php (for unit tests)

Running the unit tests

cd tests ./runtests.sh

Running the example

php solution.php 1

Merchant ID Date Value
1 01/05/2010 £50.00
1 02/05/2010 £11.04
1 02/05/2010 £0.75
1 03/05/2010 £15.21

php solution.php 2

Merchant ID Date Value
2 01/05/2010 £43.56
2 02/05/2010 £9.00
2 02/05/2010 £6.50
2 04/05/2010 £4.88