use Joomla\Filesystem\File; $file = $this->input->files->get('file'); $config = array( 'extensions' => 'jpg,jpeg,gif,png,pdf,doc,docx', 'max_size' => 30000000, // 30 MB 'folder' => 'documents' ); // Check there is some file to upload if (empty($file['name'])) { return; } // Check max size if ($file['size'] > $config['max_size']) { throw new \RuntimeException('Uploaded file size (' . round($file['size'] / 1000) . ' kB) is greater than allowed size (' . round($config['max_size'] / 1000) . ' kB).'); } $config['extensions'] = explode(',', $config['extensions']); // Get File extension $ext = strtolower(substr($file['name'], (strrpos($file['name'], '.') + 1))); // Sanitize allowed extensions foreach ($config['extensions'] as &$extension) { $extension = str_replace('.', '', trim(strtolower($extension))); } // Check allowed extensions if (!in_array($ext, $config['extensions'])) { throw new \RuntimeException('Uploaded file extension (' . $ext . ') is not within allowed extensions (' . implode(',', $config['extensions']) . ')'); } $path = JPATH_ROOT . '/' . $config['folder'] . '/' . File::makeSafe($file['name']); File::upload($file['tmp_name'], $path);