(PHP 4 >= 4.2.0, PHP 5 <= 5.0.5, PHP 7)
Writes data to fd with optional truncation at length
int dio_write ( resource $fd, string $data [, int $len = 0 ] )
dio_write() writes up to len bytes from data to file fd.
Parameters:
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:
Returns the number of bytes written to fd.
See also:
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