#Kata mine fields
My solution to the mine fields kata!
##Requirements
A field of M x N squares is represented by N lines of
exactly M characters each. The character '*' represents
a mine and the character '.' represents no-mine.
Example input (a 4 x 3 mine-field of 12 squares, 2 of
which are mines)
4 3
*...
..*.
....
Your task is to write a program to accept this input and
produce as output a hint-field of identical dimensions
where each square is a * for a mine or the number of
adjacent mine-squares if the square does not contain a mine.
Example output (for the above input)
*211
12*1
0111
##Install dependencies
composer install##Run example
php main.php##Run tests
vendor/bin/phpunit tests/