Question

How to override static methods with non static methods?

code

class Env {
    static protected $vars = [
    ];

    static public function get_env_var($var){
        return self::$vars[$var];
    }

    static public function set_env_var($var, $value){
        self::$vars[$var] = $value;
    }
}

class Test extends Env {
    private $env_vars = [];

    public function __construct(){
        $this->env_vars = self::$vars;
    }

    public function get_env_var($var){
        return $this->env_vars[$var];
    }

    public function set_env_var($var, $value){
        $this->env_vars[$var] = $value;
    }
}

$Test = new Test();

error

Cannot make static method Env::get_env_var() non static in class Test in

Answer 1

public static function get_env_var($var)