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* Xlsx Reader Merge Range For Entire Column(s) or Row(s) Fix #2501. Merge range can be supplied as entire rows or columns, e.g. `1:1` or `A:C`. PhpSpreadsheet is expecting a row and a column to be specified for both parts of the range, and fails when the unexpected format shows up. The code to clear cells within the merge range is very inefficient in terms of both memory and time, especially when the range is large (e.g. for an entire row or column). More efficient code is substituted. It is possible that we can get even more efficient by deleting the cleared cells rather than setting them to null. However, that needs more research, and there is no reason to delay this fix while I am researching. When Xlsx Writer encounters a null cell, it writes it to the output file. For cell merges (especially involving whole rows or columns), this results in a lot of useless output. It is changed to skip the output of null cells when (a) the cell style matches its row's style, or (b) the row style is not specified and the cell style matches its column's style. * Scrutinizer See if these changes appease it. * Improved CellIterators Finally figured out how to improve efficiency here, meaning that there is no longer a reason to change Writer/Xlsx, so restore that. * No Change for CellIterator I had thought a change was needed for CellIterator, but it isn't. |
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README.md
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.