Php/docs/reflectionparameter.gettype
ReflectionParameter::getType
(PHP 7)
ReflectionParameter::getType — Gets a parameter's type
说明
public ReflectionParameter::getType ( ) : ReflectionType
Gets the associated type of a parameter.
参数
此函数没有参数。
范例
Example #1 ReflectionParameter::getType() Usage as of PHP 7.1.0
As of PHP 7.1.0, ReflectionType::__toString() is deprecated, and ReflectionParameter::getType() may return an instance of ReflectionNamedType. To get the name of the parameter type, ReflectionNamedType() is available in this case.
<?phpfunction someFunction(int $param, $param2) {}$reflectionFunc = new ReflectionFunction('someFunction');$reflectionParams = $reflectionFunc->getParameters();$reflectionType1 = $reflectionParams[0]->getType();$reflectionType2 = $reflectionParams[1]->getType();assert($reflectionType1 instanceof ReflectionNamedType);echo $reflectionType1->getName(), PHP_EOL;var_dump($reflectionType2);?>
以上例程会输出:
int NULL
Example #2 ReflectionParameter::getType() Usage before PHP 7.1.0
<?phpfunction someFunction(int $param, $param2) {}$reflectionFunc = new ReflectionFunction('someFunction');$reflectionParams = $reflectionFunc->getParameters();$reflectionType1 = $reflectionParams[0]->getType();$reflectionType2 = $reflectionParams[1]->getType();echo $reflectionType1, PHP_EOL;var_dump($reflectionType2);?>
以上例程在 PHP 7.0 中的输出:
int NULL
参见
- ReflectionParameter::hasType() - Checks if parameter has a type
- ReflectionType::__toString() - To string