<?php

// a class without anything
class Foo {}

$anyObject = new Foo();
// Foo has no property funProp
dump(property_exists($anyObject, 'funProp'));

$anyObject->funProp = 'you don\'t have properties, Foo? ' .
    'Are you sure?';

// suddenly it has a property funProp
dump(property_exists($anyObject, 'funProp'));

// Open the door to bad code with this behaviour
echo $anyObject->funProp;


^ false

^ true

you don't have properties, Foo? Are you sure?

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PHP 8.2, Laminas MVC 3.2, Symfony 5.2, Laravel 8.28, PHPUnit 9.5, Doctrine ORM 2.8