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PHP: dio_write - Manual
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Direct IOdio_write
(PHP 4 >= 4.2.0, PHP 5 <= 5.0.5)
dio_write — Writes data to fd with optional truncation at length
说明
int dio_write ( resource $fd , string $data [, int $len ] )
dio_write() writes up to len bytes from data to file fd .
参数
- fd
-
The file descriptor returned by dio_open().
- data
-
The written data.
- len
-
The length of data to write in bytes. If not specified, the function writes all the data to the specified file.
返回值
Returns the number of bytes written to fd .
参见
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