Add support for PHP 8 attributes in method signatures

Enhanced MethodSignatureString to include attribute handling if PHP version is 8 or higher. Additional fake attributes and test cases were introduced to validate the new functionality.

src/MethodSignatureString.php

@@ -139,6 +139,12 @@ private function formatArg($name, $value): string
 
     private function generateParameterCode(ReflectionParameter $param): string
     {
+        // Support attributes
+        $attributesStr = '';
+        if (PHP_MAJOR_VERSION >= 8) {
+            $attributesStr = $this->getAttributeStr($param);
+        }
+
         $typeStr = ($this->typeString)($param->getType());
         $typeStrWithSpace = $typeStr ? $typeStr . ' ' : $typeStr;
         $variadicStr = $param->isVariadic() ? '...' : '';
@@ -149,6 +155,26 @@ private function generateParameterCode(ReflectionParameter $param): string
             $defaultStr = ' = ' . str_replace(["\r", "\n"], '', $default);
         }
 
-        return "{$typeStrWithSpace}{$referenceStr}{$variadicStr}\${$param->getName()}{$defaultStr}";
+        return "{$attributesStr}{$typeStrWithSpace}{$referenceStr}{$variadicStr}\${$param->getName()}{$defaultStr}";
+    }
+
+    public function getAttributeStr(ReflectionParameter $param): string
+    {
+        if (PHP_MAJOR_VERSION < 8) {
+            return '';
+        }
+
+        $attributesStr = '';
+        $attributes = $param->getAttributes();
+        if (! empty($attributes)) {
+            $attributeStrings = [];
+            foreach ($attributes as $attribute) {
+                $attributeStrings[] = sprintf('#[%s]', $attribute->getName());
+            }
+
+            $attributesStr = implode(' ', $attributeStrings) . ' ';
+        }
+
+        return $attributesStr;
     }
 }

tests/AopCodeTest.php

@@ -49,7 +49,7 @@ public function testReturnType(): void
     public function testVariousMethodSignature(): void
     {
         $bind = new Bind();
-        for ($i = 1; $i <= 24; $i++) {
+        for ($i = 1; $i <= 25; $i++) {
             $bind->bindInterceptors('method' . (string) $i, []);
         }
 
@@ -91,6 +91,7 @@ public function method22()', $code);
       public function method23()', $code);
         $this->assertStringContainsString('#[\\Ray\\Aop\\Annotation\\FakeMarker6(fruit1: \\Ray\\Aop\\FakePhp81Enum::Apple, fruit2: \\Ray\\Aop\\FakePhp81Enum::Orange)]
       public function method24()', $code);
+        $this->assertStringContainsString('public function method25(#[Ray\Aop\Attribute\FakeAttr1] $a, #[Ray\Aop\FakeAttri1] #[Ray\Aop\FakeAttr2] $b): void', $code);
     }
 
     /** @requires PHP 8.2 */

tests/Fake/Attribute/FakeAttr1.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace Ray\Aop\Attribute;
+
+final class FakeAttr1
+{
+}

tests/Fake/Attribute/FakeAttr2.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace Ray\Aop\Attribute;
+
+final class FakeAttr2
+{
+}

tests/Fake/FakePhp8Types.php

@@ -8,6 +8,7 @@
 use Ray\Aop\Annotation\FakeMarker5;
 use Ray\Aop\Annotation\FakeMarker6;
 use Ray\Aop\Annotation\FakeMarkerName;
+use Ray\Aop\Attribute\FakeAttr1;
 
 class FakePhp8Types implements FakeNullInterface, \Ray\Aop\FakeNullInterface1
 {
@@ -69,4 +70,12 @@ public function method23() {}
 
     #[FakeMarker6(fruit1: FakePhp81Enum::Apple, fruit2: FakePhp81Enum::Orange)]
     public function method24() {}
+
+    // Method with attribute
+    public function method25(
+        #[FakeAttr1]
+        $a,
+        #[FakeAttri1, FakeAttr2]
+        $b
+    ): void {}
 }