See the discussion in PR #2232 which came about 3 months after it was merged. It caused a problem in an unusual situation which did not come to light until the change was part of the new release version. The original PR changed PhpSpreadsheet's behavior to match Excel's for (not case sensitive) strings `TRUE` and `FALSE`. Excel treats the values as boolean, and now so does PhpSpreadsheet. When StringValueBinder is used, this becomes a tricky situation. The user wants the original strings preserved, including the case of all the letters. This PR changes the behavior of CSV reader as follows: - If StringValueBinder is not in effect, convert to boolean. - If StringValueBinder (actually any binder with method getBooleanConversion) is in effect, and the result of getBooleanConversion is true (which is the default in StringValueBinder), leave the value coming out of Csv Reader as the unchanged string. - Otherwise, convert to boolean. This should mean that there are no regression problems with StringValueBinder, while allowing PhpSpreadsheet to continue to match Excel in the default situation. No new settings are required. |
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| CHANGELOG.PHPExcel.md | ||
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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.

