(PHP 4, PHP 5)
posix_mkfifo — Create a fifo special file (a named pipe)
posix_mkfifo() creates a special FIFO file which exists in the file system and acts as a bidirectional communication endpoint for processes.
Path to the FIFO file.
The second parameter mode has to be given in octal notation (e.g. 0644). The permission of the newly created FIFO also depends on the setting of the current umask(). The permissions of the created file are (mode & ~umask).
Palauttaa TRUE onnistuessaan, muutoin FALSE.
Note: Kun safe mode on käytössä, PHP tarkistaa onko käsiteltävien tiedostojen/hakemistojen UID sama kuin ajettavalla skriptillä.