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PHPExcel_Writer_Excel5_BIFFwriter

category PHPExcel
package PHPExcel_Writer_Excel5
copyright Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)

 Methods

Constructor

__construct() 

Excel limits the size of BIFF records.

_addContinue(string $data) : string

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.

access private

Parameters

$data

string

The original binary data to be written

Returns

stringA very convenient string of continue blocks

General storage function

_append(string $data) 
access private

Parameters

$data

string

binary data to append

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

_storeBof(integer $type) 
access private

Parameters

$type

integer

Type of BIFF file to write: 0x0005 Workbook, 0x0010 Worksheet.

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

_storeEof() 
access private

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

getByteOrder() : int
Static

Returns

int

General storage function like _append, but returns string instead of modifying $this->_data

writeData(string $data) : string

Parameters

$data

string

binary data to write

Returns

string

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

writeEof() 
access private

 Properties

 

$_data : string
 

$_datasize : integer

Should be the same as strlen($this->_data)

 

$_limit : integer

See _addContinue()

see \_addContinue()
 

$_byte_order : integer

0 => little endian, 1 => big endian