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.