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.
注: 此延伸不適用於 Windows 平台。
建立這個延伸不需要任何外部程式庫。
To get these functions to work, you have to configure PHP with --enable-dio.
php.ini中沒有定義此延伸的組態指令。
One resource type is defined by this extension: a file descriptor returned by dio_open().
這個延伸沒有定義任何常數。