PHPXRef 0.7 : Moodle 1.9.3 [Build 15-Oct-2008] : Detail view of BIFFwriter.php

(no description)

File Size:	209 lines (7 kb)
Included or required:	3 times
Referenced:	0 times
Includes or requires:	0 files

Defines 1 class

BIFFWriter:: (7 methods):
  BIFFwriter()
  _set_byte_order()
  _prepend()
  _append()
  _store_bof()
  _store_eof()
  _add_continue()

Class: BIFFWriter - X-Ref

Class for writing Excel BIFF records.

From "MICROSOFT EXCEL BINARY FILE FORMAT" by Mark O'Brien (Microsoft Corporation):

BIFF (BInary File Format) is the file format in which Excel documents are
saved on disk. A BIFF file is a complete description of an Excel document.
BIFF files consist of sequences of variable-length records. There are many
different types of BIFF records. For example, one record type describes a
formula entered into a cell; one describes the size and location of a
window into a document; another describes a picture format.

BIFFwriter() X-Ref

Constructor

_set_byte_order() X-Ref

Determine the byte order and store it as class data to avoid
recalculating it for each call to new().

_prepend($data) X-Ref

General storage function

param: string $data binary data to prepend

_append($data) X-Ref

General storage function

param: string $data binary data to append

_store_bof($type) X-Ref

Writes Excel BOF record to indicate the beginning of a stream or
sub-stream in the BIFF file.

param: integer $type type of BIFF file to write: 0x0005 Workbook, 0x0010 Worksheet.

_store_eof() X-Ref

Writes Excel EOF record to indicate the end of a BIFF stream.

_add_continue($data) X-Ref

Excel limits the size of BIFF records. In Excel 5 the limit is 2084 bytes. In
Excel 97 the limit is 8228 bytes. Records that are longer than these limits
must be split up into CONTINUE blocks.

This function takes a long BIFF record and inserts CONTINUE records as
necessary.

param: string $data The original binary data to be written
return: string A very convenient string of continue blocks

PHP Cross Reference of Moodle 1.9.3 [Build 15-Oct-2008]

/lib/excel/ -> BIFFwriter.php (summary)

Defines 1 class