Php/docs/reflectionparameter.gettype

• PHP Manual
• ReflectionParameter
• Gets a parameter's type

ReflectionParameter::getType

(PHP 7)

ReflectionParameter::getType — Gets a parameter's type

Description

public ReflectionParameter::getType ( ) : ReflectionType

Gets the associated type of a parameter.

Parameters

This function has no parameters.

Return Values

Returns a ReflectionType object if a parameter type is specified, NULL otherwise.

Examples

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);?>

The above example will output:

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);?>

Output of the above example in PHP 7.0:

int
NULL

See Also

• ReflectionParameter::hasType() - Checks if parameter has a type
• ReflectionType::__toString() - To string