php_stream_fopen_temporary_file

Description

php_stream_fopen_temporary_file() generates a temporary file name in the directory specified by dir and with a prefix of pfx. The generated file name is returns in the opened parameter, which you are responsible for cleaning up using efree(). A stream is opened on that generated filename in "w+b" mode. The file is NOT automatically deleted; you are responsible for unlinking or moving the file when you have finished with it.