<?php
final class Car {}
$refl = new ReflectionClass('Car');
echo "isAbstract is ", var_dump($refl->isAbstract());
//isAbstract is false
echo "isFinal is ", var_dump($refl->isFinal());
//isFinal is true
echo "isInterface is ", var_dump($refl->isInterface());
//isInterface is false
echo "isReadOnly is ", var_dump($refl->isReadOnly());
//isReadOnly is false