alrahma_sunday_school_api/app/Services/Email/EmailAttachmentService.php

<?php

namespace App\Services\Email;

use Illuminate\Http\UploadedFile;

class EmailAttachmentService
{
    public function normalize($files): array
    {
        if ($files instanceof UploadedFile) {
            $files = [$files];
        }
        if (!is_array($files)) {
            return [];
        }

        $out = [];
        foreach ($files as $file) {
            if (!$file instanceof UploadedFile || !$file->isValid()) {
                continue;
            }
            $path = $file->getRealPath();
            if (!$path || !is_file($path)) {
                continue;
            }
            $out[] = [
                'path' => $path,
                'name' => $file->getClientOriginalName(),
            ];
        }

        return $out;
    }
}