4 files changed, 0 insertions, 267 deletions
diff --git a/2024/PHP/day_04/Grid.php b/2024/PHP/day_04/Grid.php
deleted file mode 100644
index 75d531b..0000000
--- a/2024/PHP/day_04/Grid.php
+++ /dev/null
@@ -1,69 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-class Grid implements Stringable
-{
-    /**
-     * @param string[][] $data
-     */
-    public function __construct(public array $data)
-    {
-    }
-
-    public function __toString(): string
-    {
-        $rowToLine = fn (array $row): string => array_reduce(
-            array: $row,
-            callback: fn (string $acc, string $character): string => $acc . $character,
-            initial: "",
-        );
-
-        return array_reduce(
-            array: $this->data,
-            callback: fn (string $acc, array $row): string => $acc . $rowToLine($row) . PHP_EOL,
-            initial: "",
-        );
-    }
-
-    public function getCharacterAtPosition(Position $position): string
-    {
-        if ($this->isInBounds($position)) {
-            return $this->data[$position->y][$position->x];
-        }
-
-        return ".";
-    }
-
-    /**
-     * @param Position[] $positions
-     */
-    public function getStringFromPositions(array $positions): string
-    {
-        $characters = array_map(
-            callback: fn (Position $position): string => $this->getCharacterAtPosition($position),
-            array: $positions,
-        );
-
-        $string = array_reduce(
-            array: $characters,
-            callback: fn (string $acc, string $character): string => $acc . $character,
-            initial: "",
-        );
-
-        return $string;
-    }
-
-    public function isInBounds(Position $position): bool
-    {
-        if (!array_key_exists($position->y, $this->data)) {
-            return false;
-        }
-
-        if (!array_key_exists($position->x, $this->data[$position->y])) {
-            return false;
-        }
-
-        return true;
-    }
-}
diff --git a/2024/PHP/day_04/Input.php b/2024/PHP/day_04/Input.php
deleted file mode 100644
index 60a16a0..0000000
--- a/2024/PHP/day_04/Input.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-class Input
-{
-    public string $contents;
-
-    public function __construct(private string $fileName)
-    {
-        $contents = file_get_contents($this->fileName, use_include_path: true);
-        $this->contents = $contents === false ? "" : $contents;
-    }
-
-    public function toGrid(): Grid
-    {
-        $lines = explode("\n", $this->contents);
-        $gridArray = array_map(
-            callback: fn (string $line): array => str_split(trim($line)),
-            array: $lines
-        );
-
-        return new Grid($gridArray);
-    }
-}
diff --git a/2024/PHP/day_04/Position.php b/2024/PHP/day_04/Position.php
deleted file mode 100644
index 0dcf96c..0000000
--- a/2024/PHP/day_04/Position.php
+++ /dev/null
@@ -1,79 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-class Position implements Stringable
-{
-    public function __construct(public $x, public $y)
-    {
-    }
-
-    public function __toString(): string
-    {
-        return "({$this->x}, {$this->y})";
-    }
-
-    /**
-     * Not validated
-     */
-    public function getNorth(): self
-    {
-        return new self($this->x, $this->y - 1);
-    }
-
-    /**
-     * Not validated
-     */
-    public function getNorthEast(): self
-    {
-        return new self($this->x + 1, $this->y - 1);
-    }
-
-    /**
-     * Not validated
-     */
-    public function getEast(): self
-    {
-        return new self($this->x + 1, $this->y);
-    }
-
-    /**
-     * Not validated
-     */
-    public function getSouthEast(): self
-    {
-        return new self($this->x + 1, $this->y + 1);
-    }
-
-    /**
-     * Not validated
-     */
-    public function getSouth(): self
-    {
-        return new self($this->x, $this->y + 1);
-    }
-
-    /**
-     * Not validated
-     */
-    public function getSouthWest(): self
-    {
-        return new self($this->x - 1, $this->y + 1);
-    }
-
-    /**
-     * Not validated
-     */
-    public function getWest(): self
-    {
-        return new self($this->x - 1, $this->y);
-    }
-
-    /**
-     * Not validated
-     */
-    public function getNorthWest(): self
-    {
-        return new self($this->x - 1, $this->y - 1);
-    }
-}
diff --git a/2024/PHP/day_04/part_01.php b/2024/PHP/day_04/part_01.php
deleted file mode 100644
index 0faa5b0..0000000
--- a/2024/PHP/day_04/part_01.php
+++ /dev/null
@@ -1,94 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-spl_autoload_register(fn (string $className) => require "{$className}.php");
-
-// Assumes executed from workspace root
-$input = new Input('../_input/day_04.txt');
-if ($input->contents === "") {
-    throw new RuntimeException("File not found");
-}
-
-$grid = $input->toGrid();
-
-$matchCount = 0;
-foreach ($grid->data as $y => $row) {
-    foreach ($row as $x => $char) {
-        if ($char !== 'X') {
-            continue;
-        }
-
-        $start = new Position($x, $y);
-
-        $possibleMatches = [];
-
-        $possibleMatches["north"] = $grid->getStringFromPositions([
-            $start,
-            $start->getNorth(),
-            $start->getNorth()->getNorth(),
-            $start->getNorth()->getNorth()->getNorth(),
-        ]);
-
-        $possibleMatches["east"] = $grid->getStringFromPositions([
-            $start,
-            $start->getEast(),
-            $start->getEast()->getEast(),
-            $start->getEast()->getEast()->getEast(),
-        ]);
-
-        $possibleMatches["south"] = $grid->getStringFromPositions([
-            $start,
-            $start->getSouth(),
-            $start->getSouth()->getSouth(),
-            $start->getSouth()->getSouth()->getSouth(),
-        ]);
-
-        $possibleMatches["west"] = $grid->getStringFromPositions([
-            $start,
-            $start->getWest(),
-            $start->getWest()->getWest(),
-            $start->getWest()->getWest()->getWest(),
-        ]);
-
-        $possibleMatches["north-east"] = $grid->getStringFromPositions([
-            $start,
-            $start->getNorthEast(),
-            $start->getNorthEast()->getNorthEast(),
-            $start->getNorthEast()->getNorthEast()->getNorthEast(),
-        ]);
-
-        $possibleMatches["north-west"] = $grid->getStringFromPositions([
-            $start,
-            $start->getNorthWest(),
-            $start->getNorthWest()->getNorthWest(),
-            $start->getNorthWest()->getNorthWest()->getNorthWest(),
-        ]);
-
-        $possibleMatches["south-east"] = $grid->getStringFromPositions([
-            $start,
-            $start->getSouthEast(),
-            $start->getSouthEast()->getSouthEast(),
-            $start->getSouthEast()->getSouthEast()->getSouthEast(),
-        ]);
-
-        $possibleMatches["south-west"] = $grid->getStringFromPositions([
-            $start,
-            $start->getSouthWest(),
-            $start->getSouthWest()->getSouthWest(),
-            $start->getSouthWest()->getSouthWest()->getSouthWest(),
-        ]);
-
-        $matchCount += array_reduce(
-            array: $possibleMatches,
-            callback: fn (int $acc, string $possibleMatch): int => match ($possibleMatch) {
-                "XMAS" => $acc + 1,
-                default => $acc,
-            },
-            initial: 0,
-        );
-    }
-}
-
-// ANSWER: 2517
-echo $matchCount;