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(PHP 8 >= 8.1.0)
ReflectionFunctionAbstract::getTentativeReturnType — Returns the tentative return type associated with the function
Returns the tentative return type associated with the function.
此函数没有参数。
Returns a ReflectionType object if a tentative return type is
specified, null otherwise.
示例 #1 ReflectionFunctionAbstract::getTentativeReturnType() example
<?php
$method = new ReflectionMethod(\ArrayAccess::class, 'offsetGet');
var_dump($method->getTentativeReturnType());
以上例程的输出类似于：
object(ReflectionNamedType)#2 (0) {
}
