ReflectionFunctionAbstract::returnsReference 检查是否返回引用 &reftitle.description; public boolReflectionFunctionAbstract::returnsReference 检查是否返回引用 &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; 如果返回引用则为 &true;，否则为 &false; &reftitle.seealso; ReflectionFunctionAbstract::isClosure