src/Utility/Import.php
protected function _validateUpload() : bool
    {
        if (! $this->request->getData('file')) {
            $this->flash->error('Please choose a file to upload.');

            return false;
        }

        if (! in_array($this->request->getData('file.type'), $this->__supportedMimeTypes)) {
            $this->flash->error('Unable to upload file, unsupported file provided.');

            return false;
        }

        return true;
    }
protected function _validateUpload() : bool
    {
        if (! $this->request->getData('file')) {
            $this->flash->error('Please choose a file to upload.');

            return false;
        }

        if (! in_array($this->request->getData('file.type'), $this->__supportedMimeTypes)) {
            $this->flash->error('Unable to upload file, unsupported file provided.');

            return false;
        }

        return true;
    }
protected function _validateUpload ( ) : bool { if ( ! $ this -> request -> getData ( 'file' ) ) { $ this -> flash -> error ( 'Please choose a file to upload.' ) ; return false ; } if ( ! in_array ( $ this -> request -> getData ( 'file.type' ) , $ this -> __supportedMimeTypes ) ) { $ this -> flash -> error ( 'Unable to upload file, unsupported file provided.' ) ; return false ; } return true ; }
Upload file validation.

@return bool
Upload file validation .