php - How to unlink the excel file after download in cakephp 3.2


I am doing an excel plugin for my project ,i want to unlink that excel file after the completion of download by the user or cancel by the user in the popup showing for the download.

I have tried the unlink code to getting things done ,but as there is the response ,i am slightly confuse how to make it. Below i have attached some part of code . Any suggestion will highly appreciated.

 $filename = time() . "-ocma-sales-report-" . date("Y-m-d") . ".xlsx"; //'.time() . '-ocma-sales-report-' . date("Y-m-d").'.xls'

                        $filePath = 'temp_excel/' . $filename;
                        $this->response->file($filePath, ['download' => TRUE, 'name' => $filename]);

                        return $this->response;




You can use FileSystem/File class for create, modify and delete file. Also for download file you have to use simple php code because$this->response->file($filePath, ['download' => TRUE, 'name' => $filename]); is not allowing to so any operation after executing function.


$filePath = 'temp_excel/' . $filename;
$size   = filesize($filePath);

header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename=' . $filename); 
header('Content-Transfer-Encoding: binary');
header('Connection: Keep-Alive');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Content-Length: ' . $size);

$file = new \Cake\Filesystem\File($filePath);

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