Online PHP editor | output for Qibd7

@ 2020-05-28T09:26:00Z

<?php

    class Vehicle
    {
      private static $counts = [];
    
      public static function getCount()
      {
          return self::$counts[static::class];
      }
    
      public function __construct()
      {
          $target =& self::$counts[static::class];
          $target++;
      }
    }

class Bike extends Vehicle {}
class Car extends Vehicle {}

new Bike;
new Bike;
new Car;

var_dump(Bike::getCount());
var_dump(Car::getCount());

Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: int(2) int(1)
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 int(2) int(1)

preferences:dark modelive preview