NickyX3

class A {
	private $table = 'table1';
	public function __construct() {
		// some init
	}
	public function run () {
		// select * from $this->table
	}
}

class B extends A {
	public function __construct() {
		parent::__construct();
		// some init
		$this->table = 'table2';
	}
}