Remove mixed strict type for data as it may be array or string

Improve doc

diff --git a/Util/SluggerUtil.php b/Util/SluggerUtil.php
index 14a128dea8ec552c7ba5d8722e479afc500f78cc..0d8f346dec16b3a9964e053ce88fda076bf56ebc 100644 (file)
--- a/Util/SluggerUtil.php
+++ b/Util/SluggerUtil.php
@@ -84,14 +84,14 @@ class SluggerUtil {
        /**
         * Flatten recursively an array
         *
-        * @param array $data The data tree
+        * @param array|string $data The data tree
         * @param string|null $current The current prefix
         * @param string $sep The key separator
         * @param string $prefix The key prefix
         * @param string $suffix The key suffix
         * @return array The flattened data
         */
-       public function flatten(array $data, mixed $current = null, string $sep = '.', string $prefix = '', string $suffix = ''): array {
+       public function flatten($data, ?string $current = null, string $sep = '.', string $prefix = '', string $suffix = ''): array {
                //Init result
                $ret = [];