generator.php

<?php
$year = "2022";
$classFile = file_get_contents('stubs/Day.php.stub');
$testClassFile = file_get_contents('stubs/DayTest.php.stub');
$readmeFile = file_get_contents('stubs/README.MD.stub');

$days = ['01','02','03','04','05','06','07','08','09','10','11', '12', '13', '14', '15', '16', '17', '18', '19', '20',
    '21', '22',
'23',
'24', '25'];
mkdir("AdventOfCode$year");
foreach ($days as $day) {
    $class = str_replace(['%DAY%', '%YEAR%'], [$day, $year], $classFile);
    $test = str_replace(['%DAY%', '%YEAR%'], [$day, $year], $testClassFile);
    $readme = str_replace(['%DAY%', '%YEAR%'], [$day, $year], $readmeFile);


    mkdir("AdventOfCode$year/Day$day");

    file_put_contents("AdventOfCode$year/Day$day/Day$day.php", $class);
    file_put_contents("AdventOfCode$year/Day$day/Day".$day."Test.php", $test);
    file_put_contents("AdventOfCode$year/Day$day/README.MD", $readme);
    file_put_contents("AdventOfCode$year/Day$day/input.txt", '');
    file_put_contents("AdventOfCode$year/Day$day/test_input.txt", '');
}