git init

app/Services/CsvReader.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Services;
+
+class CsvReader {
+    private $file;
+    private array $headers;
+
+    public array $lines = [];
+
+    public function __construct(
+        public string $filename,
+    )
+    {
+        $this->file = fopen(public_path($filename), "r");
+        if (!$this->file) {
+            throw new \RuntimeException("Failed to open file: " . $filename);
+        }
+
+        $this->headers = $this->readNextLine();
+    }
+
+    public function readNextLine(): ?array
+    {
+        if (($data = fgetcsv($this->file, 1000, ",")) !== FALSE) {
+            return $data;
+        }
+        return null; // End of file or error
+    }
+}