case sensitivity of class name - PHP - W3Schools Forum

i have attached a snapshot from W3 site php example for abstract classes, as you can see the object $audi created from the child class audi, is Audi(with capital A) when class is created. Still it runs on their hosting servers, with try it yourself option. but aren't php classes case sensitive.

w3schools: The Ugly, the Bad, and the Good

GFD-I.068 David Wallom, University of Oxford - Open Grid Forum

Php1

w3schools: The Ugly, the Bad, and the Good

HTML > CSS - CSS - W3Schools Forum

php - Why is my 1 to 1 copy of the w3schools ajax database

PHP NOTES FOR BEGGINERS

HTML Tutorial W3schools

Using PHP to Manage Files

Basic JavaScript - Understanding Case Sensitivity in Variables