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(PHP 4 >= 4.2.0, PHP 5 <= 5.0.5)
dio_write — Writes data to fd with optional truncation at length
$fd
, string $data
[, int $len
= 0
] )
dio_write() writes up to len
bytes from data
to file fd
.
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.
Returns the number of bytes written to fd
.