more return type

src/ReflectionClassConstant.php

@@ -111,7 +111,7 @@ public function __debugInfo(): array
     /**
      * @inheritDoc
      */
-    public function getDeclaringClass()
+    public function getDeclaringClass(): \ReflectionClass
     {
         return new ReflectionClass($this->className);
     }

src/ReflectionFunction.php

@@ -67,7 +67,7 @@ public function getNode(): Function_
     /**
      * {@inheritDoc}
      */
-    public function getClosure()
+    public function getClosure(): \Closure
     {
         $this->initializeInternalReflection();
 

src/ReflectionMethod.php

@@ -138,7 +138,7 @@ public function __toString()
     /**
      * {@inheritDoc}
      */
-    public function getClosure($object = null)
+    public function getClosure($object = null): \Closure
     {
         $this->initializeInternalReflection();
 
@@ -148,7 +148,7 @@ public function getClosure($object = null)
     /**
      * {@inheritDoc}
      */
-    public function getDeclaringClass()
+    public function getDeclaringClass(): \ReflectionClass
     {
         return $this->declaringClass ?? new ReflectionClass($this->className);
     }
@@ -184,7 +184,7 @@ public function getModifiers(): int
     /**
      * {@inheritDoc}
      */
-    public function getPrototype()
+    public function getPrototype(): \ReflectionMethod
     {
         $parent = $this->getDeclaringClass()->getParentClass();
         if (!$parent) {

src/ReflectionParameter.php

@@ -216,7 +216,7 @@ public function getClass()
     /**
      * {@inheritDoc}
      */
-    public function getDeclaringClass()
+    public function getDeclaringClass(): ?\ReflectionClass
     {
         if ($this->declaringFunction instanceof \ReflectionMethod) {
             return $this->declaringFunction->getDeclaringClass();

src/ReflectionProperty.php

@@ -134,7 +134,7 @@ public function __toString()
     /**
      * {@inheritDoc}
      */
-    public function getDeclaringClass()
+    public function getDeclaringClass(): \ReflectionClass
     {
         return new ReflectionClass($this->className);
     }

src/Traits/ReflectionClassLikeTrait.php

@@ -453,7 +453,7 @@ public function getNamespaceName(): string
     /**
      * {@inheritDoc}
      */
-    public function getParentClass()
+    public function getParentClass(): \ReflectionClass|false
     {
         if (!isset($this->parentClass)) {
             static $extendsField = 'extends';
@@ -479,7 +479,7 @@ public function getParentClass()
      *
      * @return ReflectionProperty[]
      */
-    public function getProperties($filter = null)
+    public function getProperties($filter = null): array
     {
         if (!isset($this->properties)) {
             $directProperties = ReflectionProperty::collectFromClassNode($this->classLikeNode, $this->getName());
@@ -533,7 +533,7 @@ public function getProperty($name)
     /**
      * @inheritDoc
      */
-    public function getReflectionConstant($name)
+    public function getReflectionConstant($name): \ReflectionClassConstant|false
     {
         $classConstants = $this->getReflectionConstants();
         foreach ($classConstants as $classConstant) {
@@ -577,7 +577,7 @@ function (array &$result, \ReflectionClass $instance, $isParent) {
     /**
      * {@inheritDoc}
      */
-    public function getShortName()
+    public function getShortName(): string
     {
         return $this->className;
     }
@@ -595,7 +595,7 @@ public function getStartLine(): int
      * @return array|null an array with new method names in keys and original names (in the format
      *                    "TraitName::original") in values.
      */
-    public function getTraitAliases()
+    public function getTraitAliases(): array
     {
         $aliases = [];
         $traits  = $this->getTraits();
@@ -652,7 +652,7 @@ public function getTraits(): array
     /**
      * {@inheritDoc}
      */
-    public function hasConstant($name)
+    public function hasConstant($name): bool
     {
         $constants   = $this->getConstants();
         $hasConstant = isset($constants[$name]) || array_key_exists($name, $constants);
@@ -664,7 +664,7 @@ public function hasConstant($name)
      * {@inheritdoc}
      * @param string $name
      */
-    public function hasMethod($name)
+    public function hasMethod($name): bool
     {
         $methods = $this->getMethods();
         foreach ($methods as $method) {
@@ -679,7 +679,7 @@ public function hasMethod($name)
     /**
      * {@inheritdoc}
      */
-    public function hasProperty($name)
+    public function hasProperty($name): bool
     {
         $properties = $this->getProperties();
         foreach ($properties as $property) {
@@ -695,7 +695,7 @@ public function hasProperty($name)
      * {@inheritDoc}
      * @param string $interfaceName
      */
-    public function implementsInterface($interfaceName)
+    public function implementsInterface($interfaceName): bool
     {
         $allInterfaces = $this->getInterfaces();
 
@@ -765,7 +765,7 @@ public function isFinal(): bool
     /**
      * {@inheritDoc}
      */
-    public function isInstance($object)
+    public function isInstance($object): bool
     {
         if (!is_object($object)) {
             throw new RuntimeException(sprintf('Parameter must be an object, "%s" provided.', gettype($object)));
@@ -897,10 +897,9 @@ public function getStaticProperties(): array
      * @param mixed  $default A default value to return in case the class does not declare
      *                        a static property with the given name
      *
-     * @return mixed
      * @throws ReflectionException If there is no such property and no default value was given
      */
-    public function getStaticPropertyValue($name, $default = null)
+    public function getStaticPropertyValue($name, $default = null): mixed
     {
         $properties     = $this->getStaticProperties();
         $propertyExists = array_key_exists($name, $properties);
@@ -925,10 +924,8 @@ public function getStaticPropertyValue($name, $default = null)
      *
      * @param mixed $arg  First argument
      * @param mixed $args Accepts a variable number of arguments which are passed to the class constructor
-     *
-     * @return object
      */
-    public function newInstance($arg = null, ...$args)
+    public function newInstance($arg = null, ...$args): object
     {
         $args = array_slice(array_merge([$arg], $args), 0, func_num_args());
         $this->initializeInternalReflection();
@@ -942,10 +939,8 @@ public function newInstance($arg = null, ...$args)
      * @link http://php.net/manual/en/reflectionclass.newinstanceargs.php
      *
      * @param array $args The parameters to be passed to the class constructor as an array.
-     *
-     * @return object
      */
-    public function newInstanceArgs(array $args = [])
+    public function newInstanceArgs(array $args = []): ?object
     {
         $function = __FUNCTION__;
         $this->initializeInternalReflection();
@@ -957,10 +952,8 @@ public function newInstanceArgs(array $args = [])
      * Creates a new class instance without invoking the constructor.
      *
      * @link http://php.net/manual/en/reflectionclass.newinstancewithoutconstructor.php
-     *
-     * @return object
      */
-    public function newInstanceWithoutConstructor()
+    public function newInstanceWithoutConstructor(): object
     {
         $function = __FUNCTION__;
         $this->initializeInternalReflection();

src/Traits/ReflectionFunctionLikeTrait.php

@@ -24,6 +24,7 @@
 use PhpParser\Node\Stmt\ClassMethod;
 use PhpParser\Node\Stmt\Function_;
 use PhpParser\NodeTraverser;
+use ReflectionException;
 use ReflectionExtension;
 
 /**
@@ -53,7 +54,7 @@ trait ReflectionFunctionLikeTrait
     /**
      * {@inheritDoc}
      */
-    public function getClosureScopeClass()
+    public function getClosureScopeClass(): ?\ReflectionClass
     {
         $this->initializeInternalReflection();
 
@@ -63,7 +64,7 @@ public function getClosureScopeClass()
     /**
      * {@inheritDoc}
      */
-    public function getClosureThis()
+    public function getClosureThis(): ?object
     {
         $this->initializeInternalReflection();
 
@@ -175,11 +176,9 @@ public function getParameters(): array
     /**
      * Gets the specified return type of a function
      *
-     * @return \ReflectionType
-     *
      * @link http://php.net/manual/en/reflectionfunctionabstract.getreturntype.php
      */
-    public function getReturnType()
+    public function getReturnType(): ?\ReflectionType
     {
         $isBuiltin  = false;
         $returnType = $this->functionLikeNode->getReturnType();
@@ -205,13 +204,13 @@ public function getReturnType()
     /**
      * {@inheritDoc}
      */
-    public function getShortName()
+    public function getShortName(): string
     {
         if ($this->functionLikeNode instanceof Function_ || $this->functionLikeNode instanceof ClassMethod) {
             return $this->functionLikeNode->name->toString();
         }
 
-        return false;
+        throw new ReflectionException('unable to get short name');
     }
 
     public function getStartLine(): int
@@ -222,7 +221,7 @@ public function getStartLine(): int
     /**
      * {@inheritDoc}
      */
-    public function getStaticVariables()
+    public function getStaticVariables(): array
     {
         $nodeTraverser      = new NodeTraverser();
         $variablesCollector = new StaticVariablesCollector($this);