Minor memory improvement

Author: MarkBaker

src/PhpSpreadsheet/ReferenceHelper.php

@@ -316,6 +316,7 @@ protected function adjustColumnDimensions(Worksheet $worksheet): void
  $objColumnDimension->setColumnIndex($newReference);
  }
  }
+
  $worksheet->refreshColumnDimensions();
  }
  }
@@ -339,6 +340,7 @@ protected function adjustRowDimensions(Worksheet $worksheet, $beforeRow, $number
  $objRowDimension->setRowIndex($newRoweference);
  }
  }
+
  $worksheet->refreshRowDimensions();
 
  $copyDimension = $worksheet->getRowDimension($beforeRow - 1);

src/PhpSpreadsheet/Worksheet/Worksheet.php

@@ -658,10 +658,8 @@ public function getChartByName($chartName)
  */
  public function refreshColumnDimensions()
  {
- $currentColumnDimensions = $this->getColumnDimensions();
  $newColumnDimensions = [];
-
- foreach ($currentColumnDimensions as $objColumnDimension) {
+ foreach ($this->getColumnDimensions() as $objColumnDimension) {
  $newColumnDimensions[$objColumnDimension->getColumnIndex()] = $objColumnDimension;
  }
 
@@ -677,10 +675,8 @@ public function refreshColumnDimensions()
  */
  public function refreshRowDimensions()
  {
- $currentRowDimensions = $this->getRowDimensions();
  $newRowDimensions = [];
-
- foreach ($currentRowDimensions as $objRowDimension) {
+ foreach ($this->getRowDimensions() as $objRowDimension) {
  $newRowDimensions[$objRowDimension->getRowIndex()] = $objRowDimension;
  }