Fix codestyle issues

src/DocBlock/Tags/Factory/MethodFactory.php

@@ -57,7 +57,9 @@ final class MethodFactory implements PHPStanFactory
                         ),
                         $param->isReference,
                         $param->isVariadic,
-                        $param->defaultValue === null ? MethodParameter::NO_DEFAULT_VALUE : (string) $param->defaultValue
+                        $param->defaultValue === null ?
+                            MethodParameter::NO_DEFAULT_VALUE :
+                            (string) $param->defaultValue
                     );
                 },
                 $tagValue->parameters

src/DocBlock/Tags/Factory/MethodParameterFactory.php

@@ -13,9 +13,12 @@ declare(strict_types=1);
 
 namespace phpDocumentor\Reflection\DocBlock\Tags\Factory;
 
-use phpDocumentor\Reflection\DocBlock\Tags\Formatter;
-use function str_repeat;
-use function strlen;
+use function array_key_last;
+use function get_class;
+use function gettype;
+use function method_exists;
+use function ucfirst;
+use function var_export;
 
 /**
  * @internal This class is not part of the BC promise of this library.
@@ -26,13 +29,14 @@ final class MethodParameterFactory
      * Formats the given default value to a string-able mixin
      *
      * @param mixed $defaultValue
-     * @return string
      */
     public function format($defaultValue): string
     {
-        if (method_exists($this, $method = 'format'.ucfirst(gettype($defaultValue)))) {
+        $method = 'format' . ucfirst(gettype($defaultValue));
+        if (method_exists($this, $method)) {
             return ' = ' . $this->{$method}($defaultValue);
         }
+
         return '';
     }
 
@@ -43,7 +47,6 @@ final class MethodParameterFactory
 
     /**
      * @param mixed $defaultValue
-     * @return string
      */
     private function formatNull($defaultValue): string
     {
@@ -66,30 +69,32 @@ final class MethodParameterFactory
     }
 
     /**
-     * @param array<array|null|int|float|bool|string|object> $defaultValue
-     * @return string
+     * @param array<(array<mixed>|int|float|bool|string|object|null)> $defaultValue
      */
     private function formatArray(array $defaultValue): string
     {
         $formatedValue = '[';
 
         foreach ($defaultValue as $key => $value) {
-            if (method_exists($this, $method = 'format'.ucfirst(gettype($value)))) {
+            $method = 'format' . ucfirst(gettype($value));
+            if (!method_exists($this, $method)) {
+                continue;
+            }
+
             $formatedValue .= $this->{$method}($value);
 
-                if ($key !== array_key_last($defaultValue)) {
+            if ($key === array_key_last($defaultValue)) {
+                continue;
+            }
+
             $formatedValue .= ',';
         }
-            }
-        }
 
-        $formatedValue .= ']';
-
-        return $formatedValue;
+        return $formatedValue . ']';
     }
 
     private function formatObject(object $defaultValue): string
     {
-        return 'new '. get_class($defaultValue). '()';
+        return 'new ' . get_class($defaultValue) . '()';
     }
 }

src/DocBlock/Tags/MethodParameter.php

@@ -15,6 +15,9 @@ namespace phpDocumentor\Reflection\DocBlock\Tags;
 use phpDocumentor\Reflection\DocBlock\Tags\Factory\MethodParameterFactory;
 use phpDocumentor\Reflection\Type;
 
+use function implode;
+use function is_array;
+
 final class MethodParameter
 {
     private Type $type;
@@ -25,9 +28,7 @@ final class MethodParameter
 
     private string $name;
 
-    /**
-     * @var mixed
-     */
+    /** @var mixed */
     private $defaultValue;
 
     public const NO_DEFAULT_VALUE = '__NO_VALUE__';
@@ -71,13 +72,11 @@ final class MethodParameter
 
     public function getDefaultValue(): ?string
     {
-        if ($this->defaultValue === static::NO_DEFAULT_VALUE) {
+        if ($this->defaultValue === self::NO_DEFAULT_VALUE) {
             return null;
         }
-        if (is_array($this->defaultValue)) {
-            return implode(',', $this->defaultValue);
-        }
-        return (string) $this->defaultValue;
+
+        return (new MethodParameterFactory())->format($this->defaultValue);
     }
 
     public function __toString(): string
@@ -86,6 +85,10 @@ final class MethodParameter
             ($this->isReference() ? '&' : '') .
             ($this->isVariadic() ? '...' : '') .
             '$' . $this->getName() .
-            ($this->defaultValue !== self::NO_DEFAULT_VALUE ? (new MethodParameterFactory)->format($this->defaultValue) : '');
+            (
+                $this->defaultValue !== self::NO_DEFAULT_VALUE ?
+                (new MethodParameterFactory())->format($this->defaultValue) :
+                ''
+            );
     }
 }

tests/unit/DocBlock/Tags/MethodParameterTest.php

@@ -24,6 +24,9 @@ use phpDocumentor\Reflection\Types\Nullable;
 use phpDocumentor\Reflection\Types\Object_;
 use phpDocumentor\Reflection\Types\String_;
 use PHPUnit\Framework\TestCase;
+use stdClass;
+
+use function sprintf;
 
 /**
  * @coversDefaultClass \phpDocumentor\Reflection\DocBlock\Tags\Method
@@ -39,6 +42,7 @@ class MethodParameterTest extends TestCase
         m::close();
     }
 
+    /** @return array<array{0: Type, 1: mixed, 2: string}> */
     public function collectionDefaultValuesProvider(): array
     {
         return [
@@ -50,7 +54,7 @@ class MethodParameterTest extends TestCase
             [new Array_(), [[1, 2], '2', true], '[[1,2],\'2\',true]'],
             [new Nullable(new Float_()), null, 'null'],
             [new Nullable(new Float_()), 1.23, '1.23'],
-            [new Object_(new Fqsen('\\stdClass')), new \stdClass(), 'new stdClass()'],
+            [new Object_(new Fqsen('\\stdClass')), new stdClass(), 'new stdClass()'],
         ];
     }
 
@@ -60,12 +64,17 @@ class MethodParameterTest extends TestCase
      * @uses   \phpDocumentor\Reflection\DocBlock\Tags\MethodParameter::__toString
      * @uses   \phpDocumentor\Reflection\DocBlock\Tags\Formatter\PassthroughFormatter
      *
+     * @param mixed $defaultValue
+     *
      * @dataProvider collectionDefaultValuesProvider
      * @covers \phpDocumentor\Reflection\DocBlock\Tags\BaseTag::render
      * @covers \phpDocumentor\Reflection\DocBlock\Tags\BaseTag::getName
      */
-    public function testIfTagCanBeRenderedUsingMethodParameterWithDefaultValue(Type $type, $defaultValue, string $defaultValueStr): void
-    {
+    public function testIfTagCanBeRenderedUsingMethodParameterWithDefaultValue(
+        Type $type,
+        $defaultValue,
+        string $defaultValueStr
+    ): void {
         $fixture = new MethodParameter('argument', $type, false, false, $defaultValue);
 
         $this->assertSame(