Advent day 1 part 2

AdventDay1.php

<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;

/**
 * https://adventofcode.com/2023/day/1/input
 * https://adventofcode.com/2023/day/1
 */
class AdventDay1 extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'advent:day1 {--t|test}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Command description';

    private array $wordToDigitMap = [
        'one' => 1,
        'two' => 2,
        'three' => 3,
        'four' => 4,
        'five' => 5,
        'six' => 6,
        'seven' => 7,
        'eight' => 8,
        'nine' => 9,
    ];

    public $outputLines = [];

    /**
     * Execute the console command.
     */
    public function handle(): int
    {
        if (!$this->option('test')) {
            $file_path = storage_path('app/advent/day/1/input');
        } else {
            $file_path = storage_path('app/advent/day/1/input.test');
        }
        $contents = file_get_contents($file_path);
        $lines = explode("\n", $contents);

        $this->newLine();
        $this->info("Total Calibration Value: " . $this->sumCalibrationValues($lines));
        $this->newLine();

        //$this->table(['found(s)', 'found(n)', 'line', 'newNumber'], $this->outputLines);

        return self::SUCCESS;
    }

    public function wordToDigit($word)
    {
        return $this->wordToDigitMap[$word] ?? null;
    }

    public function extractCalibrationValue($line)
    {
        // Replace spelled-out numbers with digits
        $words = array_keys($this->wordToDigitMap);
        $replace = implode('|', $words);
        $found_numbers = [];
        $outputLine = [];

        // find all the spelled out numbers and numbers in the order they are in and append to $found_numbers
        preg_match_all("/$replace|\d/", strtolower($line), $matches);
        $found = $matches[0];
        $this->info("Found(strings): " . implode(', ', $found));
        $outputLine[] = implode(', ', $found);

        if (!count($found)) {
            $this->error("No numbers found in line: $line");
            return 0;
        }

        foreach ($found as $found_number) {
            if (!is_numeric($found_number)) {
                $found_numbers[] = $this->wordToDigit($found_number);
            } else {
                $found_numbers[] = (int)($found_number);
            }
        }

        $this->info("Found(numbers): " . implode(', ', $found_numbers));
        $outputLine[] = implode(', ', $found_numbers);
        $this->info("Line: " . $line);
        $outputLine[] = $line;

        // Extract the first and last digit
        $firstDigit = $found_numbers[0];
        $lastDigit = end($found_numbers);

        $this->info('New Number: ' . intval($firstDigit . $lastDigit));
        $outputLine[] = intval($firstDigit . $lastDigit);
        $this->newLine();
        $this->outputLines[] = $outputLine;

        // Combine them to form a two-digit number
        return intval($firstDigit . $lastDigit);
    }

    public function sumCalibrationValues($lines)
    {
        $sum = 0;
        foreach ($lines as $row_num => $line) {
            if (!$line) {
                continue;
            }
            $this->comment("Row: $row_num");

            $sum += $this->extractCalibrationValue($line);
        }

        return $sum;
    }
}