Refactor canonicalizePath method to improve clarity and performance; remove outdated docblock and optimize array checks

Author: rcalicdan

src/Internal/PathMatcher.php

@@ -64,9 +64,6 @@ public static function normalizePath(string|false|null $path): string
         return str_replace('\\', '/', $path);
     }
 
-    /**
-     * Resolves dot-dot (..) relative segments in a path without hitting the disk.
-     */
     public static function canonicalizePath(string $path): string
     {
         $path = str_replace('\\', '/', $path);
@@ -79,14 +76,15 @@ public static function canonicalizePath(string $path): string
 
         foreach ($parts as $part) {
             if ($part === '.' || $part === '') {
-                if ($part === '' && empty($absolutes)) {
+                if ($part === '' && \count($absolutes) === 0) {
                     $absolutes[] = '';
                 }
+
                 continue;
             }
 
             if ($part === '..') {
-                if (! empty($absolutes) && end($absolutes) !== '..') {
+                if (\count($absolutes) > 0 && end($absolutes) !== '..') {
                     array_pop($absolutes);
                 } else {
                     $absolutes[] = '..';