Function (Index())->Index() does not exist

ReflectionMethod Object
(
    [name] => Index
    [class] => Index
)

$call = new ReflectionMethod( "ExampleClass", "exampleMethod" );
$call->invokeArgs( new ExampleClass(), ["argument1", "argument2"] );
print_r( $call );

$type = 'ExampleClass';

$reflector = new ReflectionClass( $type );

if ( !$reflector->isInstantiable() )
  throw new Exception( "Resolution target [$type] is not instantiable." );

$constructor = $reflector->getConstructor();

$parameters = $constructor->getParameters();

$call = new ReflectionMethod( "ExampleClass", "exampleMethod" );
$call->invokeArgs( new ExampleClass(), ["argument1", "argument2"] );

Argument 1: argument1
Argument 2: argument2