Class Reflection : Missing Properties

Question

I'm trying to get all properties of a Class using Reflection, but some properties are still messing.

Here a small exemple of what happens in my code

Class Test {
    public $a = 'a';
    protected $b = 'b';
    private $c = 'c';
}

$test = new Test();
$test->foo = "bar";

So at this point my $test object has 4 properties (a, b, c and foo).
The foo property is considered as a public property because I can do

echo $test->foo; // Gives : bar

On the contrary b or c are considered as private properties

echo $test->b; // Gives : Cannot access protected property Test::$b
echo $test->c; // Gives : Cannot access private property Test::$c

 

---

I tried two solutions to get all properties (a, b, c and foo) of my $test object

The first

var_dump(get_object_vars($test));

Which gives

array (size=2)
    'a' => string 'a' (length=1)
    'foo' => string 'bar' (length=3)

 
And the second solution

$reflection = new ReflectionClass($test);
$properties = $reflection->getProperties(ReflectionProperty::IS_PUBLIC | ReflectionProperty::IS_PRIVATE | ReflectionProperty::IS_PROTECTED);
foreach($properties as $property) {
    echo $property->__toString()."<br>";
}

Which gives

Property [ public $a ]
Property [ protected $b ]
Property [ private $c ]

 
In the first case, private properties are missing, and in the second case "after instantiation" properties are missing.

No idea of what can I do to get all properties ?
(preferably with Reflection, because I also want to know if a property is public, private...)

Answer 1

Use ReflectionObject instead of ReflectionClass if you also need to list dynamically created object properties:

$test = new Test();
$test->foo = "bar";

$class = new ReflectionObject($test);
foreach($class->getProperties() as $p) {
    $p->setAccessible(true);
    echo $p->getName() . ' => ' . $p->getValue($test) . PHP_EOL;
}

Note that I've used ReflectionProperty::setAccessible(true) in order to access the value of protected or private properties.

Output:

a => a
b => b
c => c
foo => bar

Demo