<?php
abstract class Engine
{
protected $engine = 'AbstractEngine';
public function engine()
{
return $this->engine;
}
}
class Car extends Engine
{
}
$car = new Car();
echo $car->engine();
$engine = new Engine();
echo $engine->engine();
AbstractEngine
Fatal error: Uncaught Error: Cannot instantiate abstract class Engine in /in/2EZNj:20
Stack trace:
#0 {main}
thrown in /in/2EZNj on line 20
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
AbstractEngine
Fatal error: Uncaught Error: Cannot instantiate abstract class Engine in /in/2EZNj:20
Stack trace:
#0 {main}
thrown in /in/2EZNj on line 20
Process exited with code 255.
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Engine has a deprecated constructor in /in/2EZNj on line 2
AbstractEngine
Fatal error: Uncaught Error: Cannot instantiate abstract class Engine in /in/2EZNj:20
Stack trace:
#0 {main}
thrown in /in/2EZNj on line 20
Process exited with code 255.