I've just released a new version of php-excel extension that exposes the new functionality offered by libxl 3.2.0.
The new functionality in this release includes the following:
        - ExcelSheet::setPrintFit(int wPages, int hPages) that fits sheet width and sheet height to wPages and hPages respectively
        - ExcelSheet::getPrintFit() that returns whether fit to page option is enabled, and if so to what width & height
        - ExcelSheet::getNamedRange(string name) that gets the named range coordianates by name, returns false if range is not found
        - ExcelSheet::getIndexRange(int index) that gets the named range coordianates by index, returns false if range is not found
        - ExcelSheet::namedRangeSize() that returns the number of named ranges in the sheet
        - ExcelSheet::getVerPageBreak(int index) that returns column with vertical page break at position index
        - ExcelSheet::getVerPageBreakSize() that returns a number of vertical page breaks in the sheet
        - ExcelSheet::getHorPageBreak(int index) that eturns column with horizontal page break at position index
        - ExcelSheet::getHorPageBreakSize() that returns a number of horizontal page breaks in the sheet
        - ExcelSheet::getPictureInfo(int index) that returns a information about a workbook picture at position index in worksheet
        - ExcelSheet::getNumPictures() that returns a number of pictures in this worksheet
        - ExcelBook::biffVersion() that returns BIFF version of binary file. (Used for xls format only)
        - ExcelBook::getRefR1C1() that returns whether the R1C1 reference mode is active
        - ExcelBook::setRefR1C1(bool active) that sets the R1C1 reference mode
        - ExcelBook::getPicture(int picture_index) that returns a picture at position index
        - ExcelBook::getNumPictures() that returns a number of pictures in this workbook
        - ExcelSheet ExcelBook::insertSheet(int index, string name [, ExcelSheet sh]) that inserts a new sheet to this book at position index,
          returns the sheet handle. If ExcelSheet parameter is missing a new sheet will be created.
The source code & tar balls can be found at 
https://github.com/iliaal/php_excel