Returns the tentative return type associated with the function

# ReflectionFunctionAbstract::getTentativeReturnType

(PHP 8 >= 8.1.0)

ReflectionFunctionAbstract::getTentativeReturnType — Returns the tentative return type associated with the function

### 说明

public function ReflectionFunctionAbstract::getTentativeReturnType(): ?ReflectionType

Returns the tentative return type associated with the function.

### 参数

此函数没有参数。

### 返回值

Returns a ReflectionType object if a tentative return type is specified, `null` otherwise.

### 示例

示例 #1 ReflectionFunctionAbstract::getTentativeReturnType() example

    <?php

    $method = new ReflectionMethod(\ArrayAccess::class, 'offsetGet');
    var_dump($method->getTentativeReturnType());

以上示例的输出类似于：

    object(ReflectionNamedType)#2 (0) {
    }

### 参见

- ReflectionFunctionAbstract::getReturnType() - Gets the specified return type of a function
- ReflectionFunctionAbstract::hasTentativeReturnType() - Returns whether the function has a tentative return type
- Return Type Compatibility with Internal Classes

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