Use mixed type only for PHP >= 8

Author: kylekatarnls

src/Php86/bootstrap.php

@@ -16,16 +16,37 @@
 }
 
 if (!function_exists('clamp')) {
-    /**
-     * @template V
-     * @template L
-     * @template H
-     *
-     * @param V $value
-     * @param L $min
-     * @param H $max
-     *
-     * @return V|L|H
-     */
-    function clamp(mixed $value, mixed $min, mixed $max): mixed { return p\Php86::clamp($value, $min, $max); }
+    if (\PHP_VERSION_ID >= 80000) {
+        /**
+         * @template V
+         * @template L
+         * @template H
+         *
+         * @param V $value
+         * @param L $min
+         * @param H $max
+         *
+         * @return V|L|H
+         */
+        function clamp(mixed $value, mixed $min, mixed $max): mixed
+        {
+            return p\Php86::clamp($value, $min, $max);
+        }
+    } else {
+        /**
+         * @template V
+         * @template L
+         * @template H
+         *
+         * @param V $value
+         * @param L $min
+         * @param H $max
+         *
+         * @return V|L|H
+         */
+        function clamp($value, $min, $max)
+        {
+            return p\Php86::clamp($value, $min, $max);
+        }
+    }
 }