php man page for dio_write

DIO_WRITE(3)								 1							      DIO_WRITE(3)

dio_write - Writes data to fd with optional truncation at length

SYNOPSIS
       int dio_write (resource	$fd, string  $data, [int  $len])

DESCRIPTION
       dio_write(3) writes up to $len bytes from $data to file $fd.

PARAMETERS
	      o $fd
		- The file descriptor returned by dio_open(3).

	      o $data
		- The written data.

	      o $len
		- The length of data to write in bytes. If not specified, the function writes all the data to the specified file.

RETURN VALUES
	Returns the number of bytes written to $fd.

SEE ALSO
       dio_read(3).

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