php write online remote file to temp file

php writes online remote files to temporary files

Foreword

In the project, the data needs to be imported from the Excel table uploaded to Qiniu. First, the file must be temporarily saved in a remote location, and then follow-up operations will be carried out

tempnam() function creates a temporary file with a unique file name, if successful, the function returns the new temporary file name, if it fails, it returns false.

sys_get_temp_dir() get the current temporary file directory
fopen($filename, "wb") wb binary write

Code

$filename = tempnam(sys_get_temp_dir(), "xlsx");$handle = fopen($filename, "wb");fwrite($handle, file_get_contents('https://cdn.kj.com/aaa.xlsx'));