vendor and env first commit

vendor/spatie/backtrace/src/CodeSnippets/LaravelSerializableClosureSnippetProvider.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace Spatie\Backtrace\CodeSnippets;
+
+class LaravelSerializableClosureSnippetProvider implements SnippetProvider
+{
+    /** @var array<string> */
+    protected $lines;
+
+    /** @var int */
+    protected $counter = 0;
+
+    public function __construct(string $snippet)
+    {
+        $this->lines = preg_split("/\r\n|\n|\r/", $snippet);
+
+        $this->cleanupLines();
+    }
+
+    public function numberOfLines(): int
+    {
+        return count($this->lines);
+    }
+
+    public function getLine(int $lineNumber = null): string
+    {
+        if (is_null($lineNumber)) {
+            return $this->getNextLine();
+        }
+
+        $this->counter = $lineNumber - 1;
+
+        return $this->lines[$lineNumber - 1];
+    }
+
+    public function getNextLine(): string
+    {
+        $this->counter++;
+
+        if ($this->counter >= count($this->lines)) {
+            return '';
+        }
+
+        return $this->lines[$this->counter];
+    }
+
+    protected function cleanupLines(): void
+    {
+        $spacesOrTabsToRemove = PHP_INT_MAX;
+
+        for ($i = 1; $i < count($this->lines); $i++) {
+            if (empty($this->lines[$i])) {
+                continue;
+            }
+
+            $spacesOrTabsToRemove = min(strspn($this->lines[$i], " \t"), $spacesOrTabsToRemove);
+        }
+
+        if ($spacesOrTabsToRemove === PHP_INT_MAX) {
+            $spacesOrTabsToRemove = 0;
+        }
+
+        for ($i = 1; $i < count($this->lines); $i++) {
+            $this->lines[$i] = substr($this->lines[$i], $spacesOrTabsToRemove);
+        }
+    }
+}