Series in PHP
Given a string of digits, output all the contiguous substrings of length `n` in that string.
exercism fetch php series
Given a string of digits, output all the contiguous substrings of length
For example, the string "49142" has the following 3-digit series:
And the following 4-digit series:
And if you ask for a 6-digit series from a 5-digit string, you deserve whatever you get.
Note that these series are only required to occupy adjacent positions in the input; the digits need not be numerically consecutive.
Running the tests
Go to the root of your PHP exercise directory, which is
<EXERCISM_WORKSPACE>/php. To find the Exercism workspace run
% exercism debug | grep Workspace
Get PHPUnit if you don't have it already.
Execute the tests:
% ./phpunit.phar series/series_test.php
A subset of the Problem 8 at Project Euler http://projecteuler.net/problem=8
Submitting Incomplete Solutions
It's possible to submit an incomplete solution so you can see how others have completed the exercise.