İlk temizlik tamamlandı bir önceki projeden

app/Functions/csv_to_xlsx.php

@@ -0,0 +1,51 @@
+<?php 
+use PhpOffice\PhpSpreadsheet\IOFactory;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+function csv_to_xlsx($csvFilePath, $outputFilePath, $delimiter= "\t")
+{
+    try {
+        // Create a new Spreadsheet object
+        $spreadsheet = new Spreadsheet();
+
+        // Get the active sheet
+        $sheet = $spreadsheet->getActiveSheet();
+
+        // Open the CSV file
+        $file = fopen($csvFilePath, 'r');
+        if (!$file) {
+            throw new \Exception("Cannot open CSV file.");
+        }
+
+        $rowIndex = 1;
+
+        // Read each row and add it to the spreadsheet
+        while (($row = fgetcsv($file, 0, $delimiter)) !== false) {
+            $colIndex = 'A';
+
+            foreach ($row as $cell) {
+                // Veriyi hücreye yaz
+             //   if($cell == "NULL") $cell = "";
+                $sheet->setCellValue($colIndex . $rowIndex, $cell);
+                $colIndex++;
+            }
+
+            $rowIndex++;
+        }
+        fclose($file);
+
+        // Write to XLSX file
+        $writer = IOFactory::createWriter($spreadsheet, 'Xlsx');
+        $writer->save($outputFilePath);
+
+        return $outputFilePath;
+        
+    } catch (\Exception $e) {
+        $result = [];
+        $result['error'] = "Error: " . $e->getMessage();
+        return $result;
+    }
+}
+
+
+
+ ?>