Create a fifo special file (a named pipe) (original) (raw)

posix_mkfifo

(PHP 4, PHP 5, PHP 7)

posix_mkfifo — Create a fifo special file (a named pipe)

Description

posix_mkfifo ( string $pathname , int $mode ) : bool

Parameters

pathname

Path to the FIFO file.

mode

The second parameter mode has to be given in octal notation (e.g. 0644). The permission of the newly createdFIFO also depends on the setting of the currentumask(). The permissions of the created file are (mode & ~umask).

Return Values

Returns TRUE on success or FALSE on failure.

Notes

Note: When safe mode is enabled, PHP checks whether the files or directories being operated upon have the same UID (owner) as the script that is being executed.