allow safe ^2.0 (#6)

* allow safe ^2.0
* fixed tests for php>=8.2 and safe>=2.0

---------

Co-authored-by: Alessandro Chitolina <alekitto@gmail.com>

composer.json

@@ -17,7 +17,7 @@
     "minimum-stability": "stable",
     "require": {
         "php": "^8.0",
-        "thecodingmachine/safe": "^1.0"
+        "thecodingmachine/safe": "^1.0 || ^2.0"
     },
     "require-dev": {
         "doctrine/annotations": "^1.0",

lib/Iterator/PhpDocumentorIterator.php

@@ -32,17 +32,19 @@
 use function assert;
 use function class_exists;
 use function defined;
+use function function_exists;
+use function is_callable;
 use function is_dir;
 use function is_file;
 use function iterator_to_array;
 use function ltrim;
 use function Safe\glob;
 use function Safe\preg_match;
-use function Safe\uasort;
 use function strpos;
 
 use const GLOB_BRACE;
 use const GLOB_ONLYDIR;
+use const PHP_VERSION_ID;
 
 final class PhpDocumentorIterator extends ClassIterator
 {
@@ -210,7 +212,20 @@ static function (SplFileInfo $file) {
                     ),
                     RecursiveIteratorIterator::LEAVES_ONLY,
                 ));
-                uasort($files, static function (SplFileInfo $a, SplFileInfo $b) {
+
+                /**
+                 * Compatibility layer for uasort:
+                 *
+                 * @see https://www.php.net/manual/en/function.uasort.php
+                 * - in php 8.2.0 uasort always returns true instead of bool
+                 * - subsequently the function has been removed from thecodingmachine\safe >= 2.0
+                 */
+                $uasort = function_exists('\Safe\uasort') && PHP_VERSION_ID <= 80200
+                    ? '\Safe\uasort'
+                    : '\uasort';
+
+                assert(is_callable($uasort));
+                $uasort($files, static function (SplFileInfo $a, SplFileInfo $b) {
                     return (string) $a <=> (string) $b;
                 });