Fix "Increment on non-numeric string is deprecated" (PHP 8.5+)

Author: thekid

.github/workflows/ci.yml

@@ -11,11 +11,11 @@ jobs:
     if: "!contains(github.event.head_commit.message, 'skip ci')"
     name: PHP ${{ matrix.php-versions }} on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
-    continue-on-error: ${{ matrix.php-versions >= '8.4' }}
+    continue-on-error: ${{ matrix.php-versions >= '8.5' }}
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ['7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
+        php-versions: ['7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5']
         os: [ubuntu-latest, windows-latest]
 
     steps:
@@ -48,7 +48,7 @@ jobs:
 
     - name: Install dependencies
       run: >
-        curl -sSL https://baltocdn.com/xp-framework/xp-runners/distribution/downloads/e/entrypoint/xp-run-8.8.0.sh > xp-run &&
+        curl -sSL https://github.com/xp-runners/reference/releases/download/v9.2.0/xp-run-9.2.0.sh > xp-run &&
         composer install --prefer-dist &&
         echo "vendor/autoload.php" > composer.pth
 

ChangeLog.md

@@ -3,10 +3,12 @@ Data sequences change log
 
 ## ?.?.? / ????-??-??
 
+* Fix *Increment on non-numeric string is deprecated* warning in PHP 8.5+
+  (@thekid)
+
 ## 10.3.0 / 2024-03-24
 
 * Made compatible with XP 12 - @thekid
-
 * Added PHP 8.3 and 8.4 to the test matrix - @thekid
 
 ## 10.2.0 / 2023-02-23

src/test/php/util/data/unittest/SequenceFlatteningTest.class.php

@@ -14,7 +14,7 @@ public function flatten_without_mapper() {
   #[Test]
   public function flatten_with_mapper() {
     $this->assertSequence(['a', 'b', 'c', 'd'], Sequence::of(['a', 'c'])->flatten(function($e) {
-      return Sequence::iterate($e, function($n) { return ++$n; })->limit(2);
+      return Sequence::iterate($e, function($n) { return chr(ord($n) + 1); })->limit(2);
     }));
   }