dio_write
(PHP 4 >= 4.2.0, PHP 5 < 5.1.0)
dio_write — Writes data to fd with optional truncation at length
说明
dio_write(resource
$fd
, string $data
, int $len
= 0): int
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
.
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