Add removeCommentByColumnAndRow function

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org).
 
 ### Added
 
+- Added `removeComment()` method for Worksheet [PR #2875](https://github.com/PHPOffice/PhpSpreadsheet/pull/2875/files)
 - Add point size option for scatter charts [Issue #2298](https://github.com/PHPOffice/PhpSpreadsheet/issues/2298) [PR #2801](https://github.com/PHPOffice/PhpSpreadsheet/pull/2801)
 - Basic support for Xlsx reading/writing Chart Sheets [PR #2830](https://github.com/PHPOffice/PhpSpreadsheet/pull/2830)
 

src/PhpSpreadsheet/Worksheet/Worksheet.php

@@ -2600,6 +2600,33 @@ public function setComments(array $comments)
         return $this;
     }
 
+    /**
+     * Remove comment from cell.
+     *
+     * @param array<int>|CellAddress|string $cellCoordinate Coordinate of the cell as a string, eg: 'C5';
+     *               or as an array of [$columnIndex, $row] (e.g. [3, 5]), or a CellAddress object.
+     *
+     * @return $this
+     */
+    public function removeComment($cellCoordinate)
+    {
+        $cellAddress = Functions::trimSheetFromCellReference(Validations::validateCellAddress($cellCoordinate));
+
+        if (Coordinate::coordinateIsRange($cellAddress)) {
+            throw new Exception('Cell coordinate string can not be a range of cells.');
+        } elseif (strpos($cellAddress, '$') !== false) {
+            throw new Exception('Cell coordinate string must not be absolute.');
+        } elseif ($cellAddress == '') {
+            throw new Exception('Cell coordinate can not be zero-length string.');
+        }
+        // Check if we have a comment for this cell and delete it
+        if (isset($this->comments[$cellAddress])) {
+            unset($this->comments[$cellAddress]);
+        }
+
+        return $this;
+    }
+
     /**
      * Get comment for cell.
      *

tests/PhpSpreadsheetTests/CommentTest.php

@@ -5,6 +5,7 @@
 use PhpOffice\PhpSpreadsheet\Comment;
 use PhpOffice\PhpSpreadsheet\RichText\RichText;
 use PhpOffice\PhpSpreadsheet\RichText\TextElement;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
 use PhpOffice\PhpSpreadsheet\Style\Alignment;
 use PhpOffice\PhpSpreadsheet\Style\Color;
 use PHPUnit\Framework\TestCase;
@@ -83,4 +84,14 @@ public function testSetText(): void
         $comment->setText($test);
         self::assertEquals('This is a test comment', (string) $comment);
     }
+
+    public function testRemoveComment(): void
+    {
+        $spreadsheet = new Spreadsheet();
+        $sheet = $spreadsheet->getActiveSheet();
+        $sheet->getComment('A2')->getText()->createText('Comment to delete');
+        self::assertArrayHasKey('A2', $sheet->getComments());
+        $sheet->removeComment('A2');
+        self::assertEmpty($sheet->getComments());
+    }
 }