posix_mkfifo

(PHP 4, PHP 5, PHP 7, PHP 8)

posix_mkfifoCreate a fifo special file (a named pipe)

Descrição

posix_mkfifo(string $filename, int $permissions): bool

posix_mkfifo() creates a special FIFO file which exists in the file system and acts as a bidirectional communication endpoint for processes.

Parâmetros

filename

Path to the FIFO file.

permissions

The second parameter permissions 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).

Valor Retornado

Retorna true em caso de sucesso ou false em caso de falha.