Bugfix for Issue #3013, Named ranges not usable as anchors in OFFSET function

src/PhpSpreadsheet/Calculation/Functions.php

@@ -687,7 +687,7 @@ class Functions
             $worksheet2 = $defined->getWorkSheet();
             if (!$defined->isFormula() && $worksheet2 !== null) {
                 $coordinate = "'" . $worksheet2->getTitle() . "'!" .
-                    (string) preg_replace('/^=/', '', $defined->getValue());
+                    (string) preg_replace('/^=/', '', str_replace('$', '', $defined->getValue()));
             }
         }
 

src/PhpSpreadsheet/Calculation/LookupRef/Offset.php

@@ -99,6 +99,8 @@ class Offset
 
     private static function extractWorksheet($cellAddress, Cell $cell): array
     {
+        $cellAddress = self::assessCellAddress($cellAddress, $cell);
+
         $sheetName = '';
         if (strpos($cellAddress, '!') !== false) {
             [$sheetName, $cellAddress] = Worksheet::extractSheetTitle($cellAddress, true);
@@ -112,6 +114,15 @@ class Offset
         return [$cellAddress, $worksheet];
     }
 
+    private static function assessCellAddress(string $cellAddress, Cell $cell): string
+    {
+        if (preg_match('/^' . Calculation::CALCULATION_REGEXP_DEFINEDNAME . '$/mui', $cellAddress) !== false) {
+            $cellAddress = Functions::expandDefinedName($cellAddress, $cell);
+        }
+
+        return $cellAddress;
+    }
+
     private static function adjustEndCellColumnForWidth(string $endCellColumn, $width, int $startCellColumn, $columns)
     {
         $endCellColumn = Coordinate::columnIndexFromString($endCellColumn) - 1;

tests/PhpSpreadsheetTests/Calculation/Functions/LookupRef/HLookupTest.php

@@ -5,6 +5,7 @@ namespace PhpOffice\PhpSpreadsheetTests\Calculation\Functions\LookupRef;
 use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
 use PhpOffice\PhpSpreadsheet\Calculation\LookupRef;
 use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
+use PhpOffice\PhpSpreadsheet\NamedRange;
 use PhpOffice\PhpSpreadsheet\Spreadsheet;
 use PHPUnit\Framework\TestCase;
 
@@ -91,6 +92,44 @@ class HLookupTest extends TestCase
         self::assertSame($expectedResult, $result);
     }
 
+    /**
+     * @dataProvider providerHLookupNamedRange
+     */
+    public function testHLookupNamedRange(string $expectedResult, string $cellAddress): void
+    {
+        $lookupData = [
+            ['Rating', 1, 2, 3, 4],
+            ['Level', 'Poor', 'Average', 'Good', 'Excellent'],
+        ];
+        $formData = [
+            ['Category', 'Rating', 'Level'],
+            ['Service', 2, '=HLOOKUP(C5,Lookup_Table,2,FALSE)'],
+            ['Quality', 3, '=HLOOKUP(C6,Lookup_Table,2,FALSE)'],
+            ['Value', 4, '=HLOOKUP(C7,Lookup_Table,2,FALSE)'],
+            ['Cleanliness', 3, '=HLOOKUP(C8,Lookup_Table,2,FALSE)'],
+        ];
+
+        $spreadsheet = new Spreadsheet();
+        $worksheet = $spreadsheet->getActiveSheet();
+        $worksheet->fromArray($lookupData, null, 'F4');
+        $worksheet->fromArray($formData, null, 'B4');
+
+        $spreadsheet->addNamedRange(new NamedRange('Lookup_Table', $worksheet, '=$G$4:$J$5'));
+
+        $result = $worksheet->getCell($cellAddress)->getCalculatedValue();
+        self::assertEquals($expectedResult, $result);
+    }
+
+    public function providerHLookupNamedRange(): array
+    {
+        return [
+            ['Average', 'D5'],
+            ['Good', 'D6'],
+            ['Excellent', 'D7'],
+            ['Good', 'D8'],
+        ];
+    }
+
     /**
      * @dataProvider providerHLookupArray
      */

tests/PhpSpreadsheetTests/Calculation/Functions/LookupRef/OffsetTest.php

@@ -3,6 +3,7 @@
 namespace PhpOffice\PhpSpreadsheetTests\Calculation\Functions\LookupRef;
 
 use PhpOffice\PhpSpreadsheet\Calculation\LookupRef;
+use PhpOffice\PhpSpreadsheet\NamedRange;
 
 class OffsetTest extends AllSetupTeardown
 {
@@ -46,4 +47,18 @@ class OffsetTest extends AllSetupTeardown
         $sheet->getCell('A5')->setValue('=OFFSET(C1, 0, 0)');
         self::assertSame(5, $sheet->getCell('A5')->getCalculatedValue());
     }
+
+    public function testOffsetNamedRange(): void
+    {
+        $workSheet = $this->getSheet();
+        $workSheet->setCellValue('A1', 1);
+        $workSheet->setCellValue('A2', 2);
+
+        $this->getSpreadsheet()->addNamedRange(new NamedRange('demo', $workSheet, '=$A$1'));
+
+        $workSheet->setCellValue('B1', '=demo');
+        $workSheet->setCellValue('B2', '=OFFSET(demo, 1, 0)');
+
+        self::assertSame(2, $workSheet->getCell('B2')->getCalculatedValue());
+    }
 }