95c41da020
For large XLSX files `Reader/Xlsx::readColumnsAndRowsAttributes()` performs a lot of calls to `$this->getReadFilter()` and `$this->getReadFilter()->readCell()` as `readCell()` is called twice for each (possibbly filled) cell. By ignoring calls to the DefaultReadFilter implementation (which always returns true), using no custom read filter will not incur any runtime penalty. The runtime penaltiy when using a custom read filter is reduced by a third by caching the read filter into a variable instead of using the getter method. Fixes issue #772. |
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| CHANGELOG.PHPExcel.md | ||
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README.md
PhpSpreadsheet
Master:
Develop:
PhpSpreadsheet is a library written in pure PHP and providing a set of classes that allow you to read from and to write to different spreadsheet file formats, like 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 develop branch.
License
PhpSpreadsheet is licensed under LGPL (GNU LESSER GENERAL PUBLIC LICENSE)