Solr 9.6 → 9.7 for integration tests (solariumphp#1133)

* Solr 9.6 → 9.7 for integration tests

* Adjust managed resource test for Solr 8.11.4

Author: thomascorthals

.github/workflows/run-tests.yml

@@ -51,12 +51,12 @@ jobs:
                 ref: branch_8_11
                 path: lucene-solr
 
-            - name: Checkout solr 9.6
+            - name: Checkout solr 9.7
               if: matrix.solr == 9
               uses: actions/checkout@v4
               with:
                 repository: apache/solr
-                ref: branch_9_6
+                ref: branch_9_7
                 path: lucene-solr
 
             - name: Start Solr ${{ matrix.solr }} in ${{ matrix.mode }} mode

src/Support/Utility.php

@@ -132,4 +132,22 @@ public static function compactSolrClassName(string $className): string
     {
         return preg_replace('/(?<=[a-z1-9])[a-z1-9]+(?=\.)/i', '', $className);
     }
+
+    /**
+     * Recursively sorts an array in place by keys in ascending order.
+     *
+     * @param array $array
+     *
+     * @return bool Always returns true
+     */
+    public static function recursiveKeySort(array &$array): bool
+    {
+        foreach ($array as &$value) {
+            if (\is_array($value)) {
+                self::recursiveKeySort($value);
+            }
+        }
+
+        return ksort($array);
+    }
 }