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PHP Manual :: ftok



Semaphore Functions || msg_get_queue || PHP Manual

(PHP 4 >= 4.2.0, PHP 5, PHP 7)

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

Description

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.

Parameters

pathname

Path to an accessible file.

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



Semaphore Functions || msg_get_queue || PHP Manual
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