--TEST--
Un-setting instance properties causes magic methods to be called when trying to access them from outside the magic
methods themselves.
--FILE--
<?php

class Test
{
    public    $publicProperty        = 'publicProperty set';

    protected $protectedProperty     = 'protectedProperty set';

    private   $privateProperty       = 'privateProperty set';

    public function __get($name)
    {
        return '__get "' . $name . '"';
    }

    public function __set($name, $value)
    {
        $this->$name = $value;
        echo '__set "' . $name . '" to "' . $value . '"';
    }

    public function __isset($name)
    {
        echo '__isset "' . $name . '"';
        return isset($this->$name);
    }

    public function getPublicProperty()
    {
        return $this->publicProperty;
    }

    public function setPublicProperty($publicProperty)
    {
        $this->publicProperty = $publicProperty;
    }

    public function unsetProtectedProperty()
    {
        unset($this->protectedProperty);
    }

    public function getProtectedProperty()
    {
        return $this->protectedProperty;
    }

    public function setProtectedProperty($protectedProperty)
    {
        $this->protectedProperty = $protectedProperty;
    }

    public function unsetPrivateProperty()
    {
        unset($this->privateProperty);
    }

    public function getPrivateProperty()
    {
        return $this->privateProperty;
    }

    public function setPrivateProperty($privateProperty)
    {
        $this->privateProperty = $privateProperty;
    }
}

// verifying public property
$o = new Test;
echo $o->publicProperty;
echo "\n";
var_export(isset($o->publicProperty));
echo "\n";
unset($o->publicProperty);
isset($o->publicProperty);
echo "\n";
echo $o->publicProperty;
echo "\n";
echo $o->getPublicProperty();
echo "\n";
echo $o->setPublicProperty('new publicProperty value via setter');
echo "\n";
echo $o->publicProperty;
echo "\n";
unset($o->publicProperty);
$o->publicProperty = 'new publicProperty value via public access';
echo "\n";
var_export(isset($o->publicProperty));
echo "\n";
echo $o->publicProperty;
echo "\n\n";

// verifying protected property
echo $o->getProtectedProperty();
echo "\n";
$o->unsetProtectedProperty();
var_export(isset($o->protectedProperty));
echo "\n";
echo $o->getProtectedProperty();
echo "\n";
echo $o->setProtectedProperty('new protectedProperty value via setter');
echo "\n";
var_export(isset($o->protectedProperty));
echo "\n";
echo $o->getProtectedProperty();
echo "\n\n";

// verifying private property
echo $o->getPrivateProperty();
echo "\n";
$o->unsetPrivateProperty();
var_export(isset($o->privateProperty));
echo "\n";
echo $o->getPrivateProperty();
echo "\n";
echo $o->setPrivateProperty('new privateProperty value via setter');
echo "\n";
var_export(isset($o->privateProperty));
echo "\n";
echo $o->getPrivateProperty();
echo "\n\n";

?>
--EXPECT--
publicProperty set
true
__isset "publicProperty"
__get "publicProperty"
__get "publicProperty"
__set "publicProperty" to "new publicProperty value via setter"
new publicProperty value via setter
__set "publicProperty" to "new publicProperty value via public access"
true
new publicProperty value via public access

protectedProperty set
__isset "protectedProperty"false
__get "protectedProperty"
__set "protectedProperty" to "new protectedProperty value via setter"
__isset "protectedProperty"true
new protectedProperty value via setter

privateProperty set
__isset "privateProperty"false
__get "privateProperty"
__set "privateProperty" to "new privateProperty value via setter"
__isset "privateProperty"true
new privateProperty value via setter