Fixed Issues - Inspection of "PHPStan Level 3" - PHPOffice/PhpSpreadsheet - Measure and Improve Code Quality continuously with Scrutinizer

PhpSpreadsheet

Count	Path	Last Found
1	src/PhpSpreadsheet/Calculation/FormulaParser.php Bug Best Practice	2017-12-03 09:09 UTC
2	src/PhpSpreadsheet/Calculation/Functions.php Bug Best Practice	2017-12-03 09:09 UTC
3	src/PhpSpreadsheet/Chart/DataSeries.php Bug Best Practice	2017-12-03 09:09 UTC
1	src/PhpSpreadsheet/Shared/JAMA/LUDecomposition.php Bug Best Practice	2017-12-03 09:09 UTC
1	src/PhpSpreadsheet/Shared/JAMA/Matrix.php Bug Best Practice	2017-12-03 09:09 UTC
1	PhpSpreadsheet/Shared/OLE/ChainedBlockStream.php Bug Best Practice	2017-12-03 09:09 UTC
2	src/PhpSpreadsheet/Shared/Trend/BestFit.php Unused Code	2017-12-03 09:09 UTC
3	PhpSpreadsheet/Shared/Trend/PolynomialBestFit.php Bug	2021-01-10 12:49 UTC
2	src/PhpSpreadsheet/Spreadsheet.php Documentation Bug	2018-10-21 04:55 UTC
5	src/PhpSpreadsheet/Style/NumberFormat.php Documentation Bug Best Practice	2017-12-03 09:09 UTC

PHPOffice / PhpSpreadsheet