backend/kernel/FileUpload.php

<?php

namespace kernel;

use app\helpers\Debug;

class FileUpload
{
    protected string $fileTmpPath;

    protected string $destPath;

    protected string $uploadDir;
    protected string $uploadFile;
    protected string $fileName;
    protected string $fileSize;
    protected string $fileType;
    protected array $fileNameCmps;
    protected string $fileExtension;
    public array $allowedFileExtensions;
    protected bool $hashing = true;

    public function __construct(array $file, array $extensions, bool $hashing = true)
    {
        $this->fileTmpPath = $file['tmp_name'];
        $this->fileName = $file['name'];
        $this->fileSize = $file['size'];
        $this->fileType = $file['type'];
        $this->fileNameCmps = explode('.', $this->fileName);
        $this->fileExtension = strtolower(end($this->fileNameCmps));
        $this->allowedFileExtensions = $extensions;
        $this->hashing = $hashing;
    }

    public function upload($uploadDir = "/resources/upload/"): bool
    {
        if ($this->hashing) {
            $newFileName = md5(time() . $this->fileName) . '.' . $this->fileExtension;
            if (in_array($this->fileExtension, $this->allowedFileExtensions)) {
                $this->uploadDir = $uploadDir . mb_substr($newFileName, 0, 2) . '/' . mb_substr($newFileName, 2, 2) . '/';
                mkdir(ROOT_DIR . $this->uploadDir, 0777, true);
                $uploadFileDir = ROOT_DIR . $this->uploadDir;
                $this->destPath = $uploadFileDir . $newFileName;
                $this->uploadFile = $this->uploadDir . $newFileName;
                move_uploaded_file($this->fileTmpPath, $this->destPath);

                return true;
            } else {
                return false;
            }
        } else {
            if (in_array($this->fileExtension, $this->allowedFileExtensions)) {
                $this->uploadDir = $uploadDir;
                mkdir(ROOT_DIR . $this->uploadDir, 0777, true);
                $uploadFileDir = ROOT_DIR . $this->uploadDir;
                $this->destPath = $uploadFileDir . $this->fileName;
                $this->uploadFile = $this->uploadDir . $this->fileName;
                move_uploaded_file($this->fileTmpPath, $this->destPath);
                return true;
            } else {
                return false;
            }
        }
    }

    public function setAllowedFileExtensions(array $allowedFileExtensions): void
    {
        $this->allowedFileExtensions = $allowedFileExtensions;
    }

    public function getFullUploadedPath(): string
    {
        return $this->destPath;
    }

    public function setDestPath(string $destPath): void
    {
        $this->destPath = $destPath;
    }

    public function setUploadDir(string $uploadDir): void
    {
        $this->uploadDir = $uploadDir;
    }

    public function setUploadFile(string $uploadFile): void
    {
        $this->uploadFile = $uploadFile;
    }

    public function getUploadDir(): string
    {
        return $this->uploadDir;
    }

    public function getUploadFile(): string
    {
        return $this->uploadFile;
    }

}