oleibman fa5ab52b66 VLOOKUP Handling of Strings and Number
Fix #1402, another in our "better late than never" series. Stalebot closed it in May 2020, and I have reopened it. @ljcag submitted the issue, and PR #1403 to resolve it, also marked stale. That change is more complicated than this one. Since there were no tests in that PR, and since this PR solves the original problem (test added), I will stick with this version, but will continue to study 1403 before merging.

This is also another in the "Excel doesn't believe in complete documentation" series. (See issue #3802 for a similar example.) Nothing that I have seen in the documentation suggests that a number will not match a numeric string, but that seems clearly to be the case. Despite the lack of complete documentation, PhpSpreadsheet implemented VLOOKUP with that in mind. Unfortunately, it did so by using `is_numeric` on its comparands, and so treats numeric strings as if they were numbers. This PR replaces those tests with `is_int() || is_float()`. The earlier PR used `is_string()` instead as a proxy for "not numeric" but that required other changes.
2024-08-20 00:02:48 -07:00
2024-08-10 00:46:13 -07:00
2024-08-01 10:54:54 -07:00

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.

Installation

See the install instructions.

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.

Patreon

I am now running a Patreon 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.
  • Looping the Loop
    • Advice on Iterating through the rows and cells in a worksheet.

And for Patrons at levels actively using PhpSpreadsheet:

  • Behind the Mask
    • A look at Number Format Masks.

The Next Article (currently Work in Progress):

  • Formula for Success
    • How to debug formulae that don't produce the expected result.

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
  • AutoFiltering
  • Array Formulae
  • Conditional Formatting
  • Data Validation
  • Value Binders
  • Images
  • Charts

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 for that.

License

PhpSpreadsheet is licensed under MIT.

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