signXLSX

sign (for XLSX files)

PREMIUM TRIAL / ADVANCED

Digitally signs an Excel document.

DIGITAL SIGNATURE PACKAGE

Description
public sign ()

This method allows you to digitally sign an Excel document.

You may find a detailed description of the digital signature process in the Digital Signature section of our API documentation.

Parameters

This method takes no parameters.

Exceptions

Error while trying to open the (base) template as a zip file.

The file does not exist.

Unable to find a private key.

Unable to find a certificate.

Code samples

Example #1

Release notes
  • phpdocx 14.0:
    • avoid generating partial signed files in the latest revisions of MS Office.
  • phpdocx 12.0:
    • replaced phpseclib with OpenSSL.
    • replaced exit methods by exceptions.
  • phpdocx 8.5:
    • new method.