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Example code of lopo/olef

Informations about the package olef

OleF

OleF is a PHP port of the OpenMCDF library (version 2.4), originally written in C# for the .NET platform. It allows developers to manipulate Microsoft Compound Document Files (also known as OLE structured storage).

In addition to porting the OpenMCDF logic, several .NET framework classes and functionalities were reimplemented to provide equivalent behavior in PHP, as these are not natively available in the language.

This port is inspired by and partially based on code and ideas from:

Features

Performance

OleF requires the ds PHP extension or php-ds/php-ds polyfill. While both provide the same functionality, there's a significant performance difference:

Example performance differences:

Performance Measurements

Tests were performed on:

For best performance, install the native extension:

Usage Examples

Create a new compound file

Open an existing file (e.g., Excel workbook) and read a stream

Add storage and stream items

Remove items

Commit changes

Purge unused space (shrink file)

Handle OLE Properties

More about OLE Compound Files

Compound files store multiple streams of information (such as document summary and user data) in a single container. This file format is used by many applications, including all Microsoft Office documents up to the 2007 release, Windows thumbnail cache files (thumbs.db), Outlook .msg files, Visual Studio .suo files, and some audio/video editing project files.

License

This project is licensed under the Mozilla Public License 2.0 (MPL-2.0).

Contributing

Please respect the MPL-2.0 license and credit original authors when contributing.

Author: Lopo
Project URL: https://github.com/Lopo/OleF

All versions of olef with dependencies

PHP Build Version
Package Version
Requires php Version >=8.4
ext-bcmath Version *
ext-iconv Version *
ext-mbstring Version *
nette/utils Version ~4.0.7
php-ds/php-ds Version ~1.7.0
ramsey/uuid Version ~4.8.1
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