DatabaseSeeder.php

<?php

namespace Database\Seeders;

use Str;
use File;
use SplFileInfo;
use ReflectionClass;
use ReflectionException;
use Illuminate\Database\Seeder;
use Illuminate\Database\Console\Seeds\WithoutModelEvents;

class DatabaseSeeder extends Seeder
{
    use WithoutModelEvents;

    protected array $omit = [];

    /**
     * Seed the application's database with all files in the same directory as this one.
     * @throws ReflectionException
     */
    public function run(): void
    {
        $omit = array_map(fn (string $className) => '\\'.ltrim($className, '\\'), $this->omit);
        $omit = array_merge($omit, ['\\'.static::class, '\\'.self::class]);
        $namespace = (new ReflectionClass($this))->getNamespaceName();

        $seederNames = array_filter(array_map(function (SplFileInfo $fileInfo) use ($namespace, $omit) {
            $extension = strtolower($fileInfo->getExtension());
            $fileName = Str::beforeLast($fileInfo->getRelativePathname(), ".$extension");

            $className = "\\$namespace\\$fileName";
            $classInfo = new ReflectionClass($className);

            $isAllowed = !in_array($className, $omit);
            $isAllowed &= $extension == 'php';
            $isAllowed &= !$classInfo->isTrait() && !$classInfo->isAbstract();

            return $isAllowed ? $className : null;
        }, File::allFiles(__DIR__)));

        $this->call($seederNames);
    }
}