classes

<?php
class klasse {
$variabel = "een variabel";
}
$class = klasse();
echo $class->$variabel;
?>

<?php
class klasse {
$variabel = "een variabel";
}
$class = klasse();
echo $class->$variabel;
?>

<?php
class klasse {
$variabel = "een variabel";
}
$class = klasse();
echo $this->$variabel;
?>

<?php
class klasse {
$variabel = "een variabel";
}
$class = klasse();
echo $this->$variabel;
?>

<?php
class Klasse {
    private $_variabel = 'een variabele';
    public function getVariable() {
        return $this->_variabel;
}

$class = new Klasse;
echo $class->getVariabele();

<?php
class Klasse {
    private $_variabel = 'een variabele';
    public function getVariable() {
        return $this->_variabel;
}
 
$class = new Klasse;
echo $class->getVariabele();

<?php
class Klasse {
    private $_variabel = 'een variabele';
    public function getVariable() {
        return $this->_variabel;
    }
}

$class = new Klasse;
echo $class->getVariabele();

<?php
class Klasse {
    private $_variabel = 'een variabele';
    public function getVariable() {
        return $this->_variabel;
    }
}
 
$class = new Klasse;
echo $class->getVariabele();