Upgrade framework

vendor/spatie/backtrace/src/File.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Spatie\Backtrace;
+
+use SplFileObject;
+
+class File
+{
+    /** @var \SplFileObject */
+    protected $file;
+
+    public function __construct(string $path)
+    {
+        $this->file = new SplFileObject($path);
+    }
+
+    public function numberOfLines(): int
+    {
+        $this->file->seek(PHP_INT_MAX);
+
+        return $this->file->key() + 1;
+    }
+
+    public function getLine(int $lineNumber = null): string
+    {
+        if (is_null($lineNumber)) {
+            return $this->getNextLine();
+        }
+
+        $this->file->seek($lineNumber - 1);
+
+        return $this->file->current();
+    }
+
+    public function getNextLine(): string
+    {
+        $this->file->next();
+
+        return $this->file->current();
+    }
+}