feat: add day

Makefile

@@ -24,7 +24,7 @@ test:
 	@docker-compose exec php php vendor/bin/phpunit --testdox tests/Year2024/
 
 day1:
-	@docker-compose exec php bin/console puzzle:exec -y 2024 -d 02 -p 1
+	@docker-compose exec php bin/console puzzle:exec -y 2024 -d 03 -p 1
 
 day2:
-	@docker-compose exec php bin/console puzzle:exec -y 2024 -d 02 -p 2
+	@docker-compose exec php bin/console puzzle:exec -y 2024 -d 03 -p 2

src/Year2024/Day03/Puzzle.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Year2024\Day03;
+
+use App\Puzzle\AbstractPuzzle;
+
+class Puzzle extends AbstractPuzzle
+{
+    public function read(): array
+    {
+        $array = [];
+
+        if ($file = fopen($this->getPathIn(), 'r')) {
+            while (($line = fgets($file)) !== false) {
+                preg_match_all('/mul\(\d+,\d+\)|do\(\)|don\'t\(\)/', $line, $matches, PREG_SET_ORDER);
+
+                $enabled = true;
+                foreach ($matches as $match) {
+                    if ($match[0] === 'do()') {
+                        $enabled = true;
+                    } elseif ($match[0] === "don't()") {               
+                        $enabled = false;
+                    } elseif ($enabled) {
+                        $array[] = $match[0];
+                    }
+                }
+
+                // preg_match_all('/mul\(\d+,\d+\)/', $line, $matches, PREG_SET_ORDER);
+                // foreach ($matches as $match) {
+                //     $array[] = $match[0];
+                // }
+            }
+            fclose($file);
+        }
+
+        return $array;
+    }
+
+    public function exec1(array $input = []): int
+    {
+        $result = 0;
+
+        foreach ($input as $instruction) {
+            preg_match('/mul\((?<x>\d+),(?<y>\d+)\)/', $instruction, $matches);
+            $result += ($matches['x'] * $matches['y']);
+        }
+
+        return $result;
+    }
+
+    public function exec2(array $input = []): int
+    {
+        $result = 0;
+
+        foreach ($input as $instruction) {
+            preg_match('/mul\((?<x>\d+),(?<y>\d+)\)/', $instruction, $matches);
+            $result += ($matches['x'] * $matches['y']);
+        }
+
+        return $result;
+    }
+}
+

src/Year2024/Day03/_in.txt

@@ -0,0 +1 @@
+xmul(2,4)&mul[3,7]!^don't()_mul(5,5)+mul(32,64](mul(11,8)undo()?mul(8,5))

tests/Year2024/Day03/PuzzleTest.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Tests\Year2024\Day03;
+
+use App\Year2024\Day03\Puzzle;
+use PHPUnit\Framework\TestCase;
+
+class PuzzleTest extends TestCase
+{
+    /**
+     * @var Puzzle
+     */
+    private object $runner;
+
+    /**
+     * @var array
+     */
+    private array $array;
+
+    protected function setUp(): void
+    {
+        $this->runner = new Puzzle();
+
+        $this->array = $this->runner->read();
+    }
+
+    public function testExec1(): void
+    {
+        $this->assertEquals(48, $this->runner->exec1($this->array));
+    }
+
+    public function testExec2(): void
+    {
+        $this->assertEquals(48, $this->runner->exec2($this->array));
+    }
+}