How to check object instance is inherited from Abstract Class in PHP

Question

I have below Abstract Class

abstract class AbstractPerson{
  ......
}

I have inherited AbstractPerson into Account

class Account extends AbstractPerson{
  ......
}

Now I am going to make object of class

$account= new Account()

I am wondering how to check $account object is extended from AbstractPerson class?

Martin · Accepted Answer · 2016-07-28 13:39:57Z

2

Well, you need Reflection, and two methods getParentClass() & isAbstract().

Here's a working example of what you need.

$accountReflection     = new ReflectionClass('Account');
$parentReflection     = new ReflectionClass($accountReflection->getParentClass()->getName());
$isAbstract           = $parentReflection->isAbstract(); // return true of false

edited Jul 28, 2016 at 13:39

answered Jul 28, 2016 at 13:29

Martin

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4 Comments

Haresh Vidja Over a year ago

What is $testClass?

Martin Over a year ago

I fix it, check it.

Haresh Vidja Over a year ago

$accountReflection::getParentClass(); this syntax is wrong getting error

Haresh Vidja Over a year ago

I have edited accessor, but still $isAbstract returns false;

JustOnUnderMillions · Accepted Answer · 2016-07-28 13:24:58Z

0

Use:

if ($account instanceof AbstractPerson) {
   echo 'AbstractPerson';
}

answered Jul 28, 2016 at 13:24

JustOnUnderMillions

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