XXIII. Direct IO functions

Úvod

PHP supports the direct io functions as described in the Posix Standard (Section 6) for performing I/O functions at a lower level than the C-Language stream I/O functions (fopen, fread,..).

Požadavky

Tyto funkce jsou k dispozici jako součást standardního modulu, který je vždy dostupný.

Installation

To get these functions to work, you have to configure PHP with --enable-dio.

Konfigurace běhu

Toto rozšíření nemá definováno žádné konfigurační direktivy.

Typy prostředků

One resource type is defined by this extension: a file descriptor returnded by dio_open().

Předdefinované konstanty

Toto rozšíření nemá definovány žádné konstanty.

Obsah
dio_close -- Closes the file descriptor given by fd
dio_fcntl -- Performs a c library fcntl on fd
dio_open -- Opens a new filename with specified permissions of flags and creation permissions of mode
dio_read -- Reads n bytes from fd and returns them, if n is not specified, reads 1k block
dio_seek -- Seeks to pos on fd from whence
dio_stat -- Gets stat information about the file descriptor fd
dio_tcsetattr -- Sets terminal attributes and baud rate for a serial port
dio_truncate -- Truncates file descriptor fd to offset bytes
dio_write -- Writes data to fd with optional truncation at length

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