8000 Day1 · FailedCode/adventofcode-2022-php@bbd577c · GitHub
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Day1
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‎src/Days/AbstractDay.php

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namespace Failedcode\Aoc2022\Days;
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use Failedcode\Aoc2022\Utils;
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abstract class AbstractDay
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{
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protected Utils $util;
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public function __construct()
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{
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$this->util = new Utils();
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}
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public function solve_part_1(): string
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{
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return "TODO";

‎src/Days/Day1.php

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class Day1 extends AbstractDay
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{
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public function solve_part_1(): string
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{
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$calories = $this->getCalories();
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return max($calories);
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}
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public function solve_part_2(): string
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{
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$calories = $this->getCalories();
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$caloriesMax = 0;
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for ($i = 0; $i < 3; $i += 1) {
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$maxVal = max($calories);
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$position = array_search($maxVal, $calories);
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unset($calories[$position]);
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$caloriesMax += (int)$maxVal;
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}
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return $caloriesMax;
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}
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public function getCalories(): array
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{
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$list = $this->util->loadInput(1);
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$calories = [];
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$currentSum = 0;
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foreach ($list as $row) {
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if (trim($row) === '') {
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$calories[] = $currentSum;
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$currentSum = 0;
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continue;
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}
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$currentSum += (int)$row;
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}
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return $calories;
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}
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}

‎src/Utils.php

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<?php
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namespace Failedcode\Aoc2022;
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class Utils
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{
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public function loadInput($day, $type="day"): array
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{
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$filePath = "input/{$type}{$day}.txt";
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if (!file_exists($filePath)) {
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// TODO: download input
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throw new \Exception("Input missing: '$filePath'", 1670457206416);
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}
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$content = file_get_contents($filePath);
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return explode("\n", $content);
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}
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}

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