A pure PHP library for reading and writing spreadsheet files
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oleibman b1c9f0a1bc
Update Doc Blocks to Discourage Use of Unix Timestamps (#2350)
* Update Doc Blocks to Discourage Use of Unix Timestamps

This was suggested by issue #2347. Unix timestamps have clear disadvantages compared with the alternate methods of supplying date and time to PhpSpreadsheet - DateTime objects, Excel date time fields, and strings. In particular, Unix timestamp is not Y2038-safe on a 32-bit system, and it reflects the time in UTC, which may come as a surprise to the end-user (as it did in the cited issue). The alternate methods do not come with such baggage. This change updates some doc blocks to note that Unix timestamps are discoburage (N.B. - not deprecated). No executable code is changed.

* Document in Code As Well as Commmit Message

Per suggestion from @PowerKiKi.

* Missed One DocBlock

Including it now.

Co-authored-by: Adrien Crivelli <adrien.crivelli@gmail.com>
2021-11-04 08:12:47 -07:00
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README.md

PhpSpreadsheet

Build Status Code Quality Code Coverage Total Downloads Latest Stable Version License Join the chat at https://gitter.im/PHPOffice/PhpSpreadsheet

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.

Documentation

Read more about it, including install instructions, in the official documentation. Or check out the API documentation.

Please ask your support questions on StackOverflow, or have a quick chat on Gitter.

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 for that.

License

PhpSpreadsheet is licensed under MIT.