ReflectionType::isBuiltin()

版本：php7

(PHP 7)

Checks if it is a built-in type

说明

publicReflectionType::isBuiltin(void) : bool

Checks if the type is a built-in type in PHP.

参数

此函数没有参数。

返回值

TRUEif it's a built-in type,otherwiseFALSE

范例

Example #1ReflectionType::isBuiltin()example

<?php
class SomeClass {}
function someFunction(string $param, SomeClass $param2, StdClass $param3) {}
$reflectionFunc = new ReflectionFunction('someFunction');
$reflectionParams = $reflectionFunc->getParameters();
var_dump($reflectionParams[0]->getType() >isBuiltin());
var_dump($reflectionParams[1]->getType() >isBuiltin());
var_dump($reflectionParams[2]->getType() >isBuiltin());

以上例程的输出类似于：

bool(true)
bool(false)
bool(false)

Note that theReflectionType::isBuiltin()method does not distinguish between internal and custom classes. To make this distinction,theReflectionClass::isInternal()method should be used on the returned class name.

参见

• ReflectionType::allowsNull() Checks if null is allowed
• ReflectionType::__toString() To string
• ReflectionClass::isInternal() 检查类是否由扩展或核心在内部定义
• ReflectionParameter::getType() Gets a parameter's type