sign

CONTENTS

LAYOUT AND SETTINGS

TEMPLATES

SAVE

FORMAT CONVERSION

transform

XLSXUTILITIES

INDEXER

indexer

PERFORMANCE

zipStream

CRYPTO

DIGITAL SIGNATURE

sign (XLSX)

sign (for XLSX files)

PREMIUM

BASIC / ADVANCED

Digitally signs an Excel spreadsheet.

DIGITAL SIGNATURE PACKAGE

Description

public sign()

This method allows you to digitally sign an Excel spreadsheet.

Code samples

Example #1

require_once 'classes/CreateXlsx.php';

$sign = new SignXlsx();

$sign->setXlsx('file.xlsx');
$sign->setPrivateKey('file.pem', 'password');
$sign->setX509Certificate('file.pem');
$sign->setSignatureComments('This spreadsheet has been signed');

$sign->sign();

Release notes

phpxlsx 2.5: avoid generating partial signed files.
phpxlsx 1.0: new method.