Optimized code.

CHANGELOG.md

@@ -76,6 +76,7 @@ Now:
 ## Fixed
 
 - [#448](https://github.com/hyperf-cloud/hyperf/pull/448) Fixed TCP Server does not works when HTTP Server or WebSocket Server exists.
+- [#623](https://github.com/hyperf-cloud/hyperf/pull/623) Fixed `null` is replaced by default value.
 
 # v1.0.16 - TBD
 

src/di/src/Aop/ProxyTrait.php

@@ -43,10 +43,10 @@ trait ProxyTrait
         ];
         $reflectMethod = ReflectionManager::reflectMethod($className, $method);
         $reflectParameters = $reflectMethod->getParameters();
+        $leftCount = count($args);
         foreach ($reflectParameters as $key => $reflectionParameter) {
-            $leftCount = count($args);
             $arg = $reflectionParameter->isVariadic() ? $args : array_shift($args);
-            if (! isset($arg) && $leftCount === 0) {
+            if (! isset($arg) && $leftCount-- <= 0) {
                 $arg = $reflectionParameter->getDefaultValue();
             }
             $map['keys'][$reflectionParameter->getName()] = $arg;

src/di/tests/ProxyTraitTest.php

@@ -33,5 +33,8 @@ class ProxyTraitTest extends TestCase
 
         $this->assertEquals(['id' => null, 'str' => ''], $obj->get2(null)['keys']);
         $this->assertEquals(['id', 'str'], $obj->get2(null)['order']);
+
+        $this->assertEquals(['id' => 1, 'str' => '', 'num' => 1.0], $obj->get3()['keys']);
+        $this->assertEquals(['id', 'str', 'num'], $obj->get3()['order']);
     }
 }

src/di/tests/Stub/ProxyTraitObject.php

@@ -27,4 +27,9 @@ class ProxyTraitObject
     {
         return $this->getParamsMap(static::class, 'get2', func_get_args());
     }
+
+    public function get3(?int $id = 1, string $str = '', float $num = 1.0)
+    {
+        return $this->getParamsMap(static::class, 'get3', func_get_args());
+    }
 }