# PhpSpreadsheet

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PhpSpreadsheet is a library written in pure PHP and offers a set of classes that
allow you to read and write various spreadsheet file formats such as Excel and LibreOffice Calc.

## PHP Version Support

LTS: Support for PHP versions will only be maintained for a period of six months beyond the
[end of life](https://www.php.net/supported-versions) of that PHP version.

Currently the required PHP minimum version is PHP __7.4__, and we [will support that version](https://www.php.net/eol.php) until 28th June 2023.

See the `composer.json` for other requirements.

## Installation

Use [composer](https://getcomposer.org) to install PhpSpreadsheet into your project:

```sh
composer require phpoffice/phpspreadsheet
```

If you are building your installation on a development machine that is on a different PHP version to the server where it will be deployed, or if your PHP CLI version is not the same as your run-time such as `php-fpm` or Apache's `mod_php`, then you might want to add the following to your `composer.json` before installing:
```json
{
    "require": {
        "phpoffice/phpspreadsheet": "^1.23"
    },
    "config": {
        "platform": {
            "php": "7.4"
        }
    }
}
```
and then run
```sh
composer install
```
to ensure that the correct dependencies are retrieved to match your deployment environment.

See [CLI vs Application run-time](https://php.watch/articles/composer-platform-check) for more details.

### Additional Installation Options

If you want to write to PDF, or to include Charts when you write to HTML or PDF, then you will need to install additional libraries:

#### PDF

For PDF Generation, you can install any of the following, and then configure PhpSpreadsheet to indicate which library you are going to use:
 - mpdf/mpdf
 - dompdf/dompdf
 - tecnickcom/tcpdf

and configure PhpSpreadsheet using:

```php
// Dompdf, Mpdf or Tcpdf (as appropriate)
$className = \PhpOffice\PhpSpreadsheet\Writer\Pdf\Dompdf::class;
IOFactory::registerWriter('Pdf', $className);
```
or the appropriate PDF Writer wrapper for the library that you have chosen to install.

#### Chart Export

For Chart export, we support following packages, which you will also need to install yourself using `composer require`
 - [jpgraph/jpgraph](https://packagist.org/packages/jpgraph/jpgraph) (this package was abandoned at version 4.0. 
   You can manually download the latest version that supports PHP 8 and above from [jpgraph.net](https://jpgraph.net/))
 - [mitoteam/jpgraph](https://packagist.org/packages/mitoteam/jpgraph) (fork with php 8.1 support)

and then configure PhpSpreadsheet using:
```php
Settings::setChartRenderer(\PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph::class); // to use jpgraph/jpgraph
//or
Settings::setChartRenderer(\PhpOffice\PhpSpreadsheet\Chart\Renderer\MtJpGraphRenderer::class); // to use mitoteam/jpgraph
```

One or the other of these libraries is necessary if you want to generate HTML or PDF files that include charts.

## Documentation

Read more about it, including install instructions, in the [official documentation](https://phpspreadsheet.readthedocs.io). Or check out the [API documentation](https://phpoffice.github.io/PhpSpreadsheet).

Please ask your support questions on [StackOverflow](https://stackoverflow.com/questions/tagged/phpspreadsheet), or have a quick chat on [Gitter](https://gitter.im/PHPOffice/PhpSpreadsheet).

## Patreon

I am now running a [Patreon](https://www.patreon.com/MarkBaker) to support the work that I do on PhpSpreadsheet.

Supporters will receive access to articles about working with PhpSpreadsheet, and how to use some of its more advanced features.

Posts already available to Patreon supporters:
 - The Dating Game
   - A  look at how MS Excel (and PhpSpreadsheet) handle date and time values.

The next post (currently being written) will be:
 - Looping the Loop
   - Advice on Iterating through the cells in a worksheet.

My aim is to post at least one article each month, taking a detailed look at some feature of MS Excel and how to use that feature in PhpSpreadsheet, or on how to perform different activities in PhpSpreadsheet.

Planned posts for the future include topics like:
 - Tables
 - Structured References
 - Array Formulae
 - Conditional Formatting
 - Data Validation
 - Formula Debugging
 - Value Binders

After a period of six months exclusive to Patreon supporters, articles will be incorporated into the public documentation for the library.

## PHPExcel vs PhpSpreadsheet ?

PhpSpreadsheet is the next version of PHPExcel. It breaks compatibility to dramatically improve the code base quality (namespaces, PSR compliance, use of latest PHP language features, etc.).

Because all efforts have shifted to PhpSpreadsheet, PHPExcel will no longer be maintained. All contributions for PHPExcel, patches and new features, should target PhpSpreadsheet `master` branch.

Do you need to migrate? There is [an automated tool](/docs/topics/migration-from-PHPExcel.md) for that.

## License

PhpSpreadsheet is licensed under [MIT](https://github.com/PHPOffice/PhpSpreadsheet/blob/master/LICENSE).
