php man page for ftok

FTOK(3) 								 1								   FTOK(3)

ftok - Convert a pathname and a project identifier to a System V IPC key

SYNOPSIS
       int ftok (string  $pathname, string  $proj)

DESCRIPTION
	The  function  converts  the  $pathname  of  an existing accessible file and a project identifier into an integer for use with for example
       shmop_open(3) and other System V IPC keys.

PARAMETERS
	      o $pathname
		- Path to an accessible file.

	      o $proj
		- Project identifier. This must be a one character string.

RETURN VALUES
	On success the return value will be the created key value, otherwise -1 is returned.

SEE ALSO
       shmop_open(3), sem_get(3).

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