ReflectionParameter
PHP Manual

ReflectionParameter::hasType

Checks if parameter has a type

Description

public bool ReflectionParameter::hasType()

Checks if the parameter has a type associated with it.

Parameters

This function has no parameters.

Return Values

true if a type is specified, false otherwise.

Examples

Example #1 ReflectionParameter::hasType example

<?php
function someFunction(string $param, $param2 = null) {}

$reflectionFunc = new ReflectionFunction('someFunction');
$reflectionParams = $reflectionFunc->getParameters();

var_dump($reflectionParams[0]->hasType());
var_dump($reflectionParams[1]->hasType());

The above example will output something similar to:

bool(true)
bool(false)

See Also

  • ReflectionParameter::getType