ReflectionNamedType
PHP Manual

ReflectionNamedType::isBuiltin

Checks if it is a built-in type

Description

public bool ReflectionNamedType::isBuiltin()

Checks if the type is a built-in type in PHP. A built-in type is any type that is not a class, interface, or trait.

Parameters

This function has no parameters.

Return Values

true if it's a built-in type, otherwise false

Examples

Example #1 ReflectionNamedType::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());

The above example will output:

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

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

See Also

  • ReflectionType::allowsNull
  • ReflectionType::__toString
  • ReflectionClass::isInternal
  • ReflectionParameter::getType