Xlsx reader not recognize data validations that references another sheet

[nooraldeen-albakri]

This is:

- [X] a bug report
- [ ] a feature request
- [ ] **not** a usage question (ask them on https://stackoverflow.com/questions/tagged/phpspreadsheet or https://gitter.im/PHPOffice/PhpSpreadsheet)

What is the expected behavior?

Load the data validations that references lists of another sheet.

What is the current behavior?

return data validations with none type, and empty formula.

What are the steps to reproduce?

Create a xlsx file with a column with data validation that reference a list of another sheet, then load it in your code.

Please provide a Minimal, Complete, and Verifiable example of code that exhibits the issue without relying on an external Excel file or a web server:

<?php

// when cell with list validate : (=Sheet3!$G$2:$G$4)
var_dump($cell->getDataValidation());
/*
object(PhpOffice\PhpSpreadsheet\Cell\DataValidation)#34559 (13) {
  ["formula1":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  string(0) ""
  ["formula2":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  string(0) ""
  ["type":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  string(4) "none"
  ["errorStyle":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  string(4) "stop"
  ["operator":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  string(7) "between"
  ["allowBlank":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  bool(false)
  ["showDropDown":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  bool(false)
  ["showInputMessage":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  bool(false)
  ["showErrorMessage":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  bool(false)
  ["errorTitle":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  string(0) ""
  ["error":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  string(0) ""
  ["promptTitle":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  string(0) ""
  ["prompt":"PhpOffice\PhpSpreadsheet\Cell\DataValidation":private]=>
  string(0) ""
}
*/

Which versions of PhpSpreadsheet and PHP are affected?

phpspreadsheet - 1.6.0
php - 7.2

[nooraldeen-albakri]

Solution found:
#388 (comment)