PHP 手冊
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# XXII.Direct IO Functions

# 介紹

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(),..). The use of the DIO functions should be considered only when direct control of a device is needed. In all other cases, the standard filesystem functions are more than adequate.

> 備注:此延伸不適用於 Windows 平台。

# 需求

建立這個延伸不需要任何外部程式庫。

# 安裝

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

# 執行時期組態

`php.ini`中沒有定義此延伸的組態指令。

# 資源類型

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

# 預先定義常數

這個延伸沒有定義任何常數。

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