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


ftok

(PHP 4 >= 4.2.0, PHP 5)

ftokConvert a pathname and a project identifier to a System V IPC key

说明

int ftok ( string $pathname , string $proj )

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

参数

pathname

Path to an accessible file.

proj

Project identifier. This must be a one character string.

返回值

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

参见


«  ftell
» ftp_alloc
快速导航

Copyright © 2016 phpStudy | 皖ICP备18014864号-4