From fee5c1afe402a44bff82989976e6892817ffc6f3 Mon Sep 17 00:00:00 2001 From: Oliver Davies Date: Sun, 12 Jul 2020 16:05:33 +0100 Subject: [PATCH] Flatten array --- README.md | 1 + composer.json | 1 + src/FlattenArray.php | 19 +++++++++++++++++++ tests/FlattenArrayTest.php | 31 +++++++++++++++++++++++++++++++ 4 files changed, 52 insertions(+) create mode 100644 src/FlattenArray.php create mode 100644 tests/FlattenArrayTest.php diff --git a/README.md b/README.md index 84bfd5b..bd6dca0 100644 --- a/README.md +++ b/README.md @@ -5,6 +5,7 @@ PHP code katas, tested with [Pest PHP][]. Based on exercises from [Exercism.io][ Includes: - **Anagrams**: select an anagram for a word from a list of condidates. +- **Flatten Array**: take a nested list and return a single flattened list with all values except nil/null. - **Bob**: returns different responses based on input. - **Bowling**: calculate the score for a game of bowling. - **Grade School**: given students' names along with the grade that they are in, create a roster for the school. diff --git a/composer.json b/composer.json index dea63fd..709c257 100644 --- a/composer.json +++ b/composer.json @@ -10,6 +10,7 @@ "phpunit/phpunit": "^9.0" }, "autoload": { + "files": ["src/FlattenArray.php"], "psr-4": { "App\\": "src/" } diff --git a/src/FlattenArray.php b/src/FlattenArray.php new file mode 100644 index 0000000..0a24c0b --- /dev/null +++ b/src/FlattenArray.php @@ -0,0 +1,19 @@ +with([ + [ + 'input' => [1, 2, 3], + 'expected' => [1, 2, 3], + ], + [ + 'input' => [1, [2, 3, null, 4], [null], 5], + 'expected' => [1, 2, 3, 4, 5], + ], + [ + 'input' => [1, [2, [[3]], [4, [[5]]], 6, 7], 8], + 'expected' => [1, 2, 3, 4, 5, 6, 7, 8], + ], + [ + 'input' => [null, [[[null]]], null, null, [[null, null], null], null], + 'expected' => [], + ] +]);