<?php

class aClass
    {

    protected $protected_property = 'protected_value';
    private $private_property = 'private_value';
    public $public_property = 'public_value';

    public function getAllProperties()
        {
        return get_object_vars($this);
        }

    }

$an_object = new aClass;
//------------------------------------------------------------------------------
$start = microtime(true);
$an_array = array();
for ($i = 0; $i <= 10000; $i++)
    {
    $reflection = new \ReflectionClass($an_object);
    $properties = $reflection->getProperties();
    foreach ($properties as $property)
        {
        $property->setAccessible(true);
        $an_array[$property->getName()] = $property->getValue($an_object);
        if (!$property->isPublic())
            $property->setAccessible(false);
        }
    $reflection = null;
    $properties = null;
    }
echo microtime(true) - $start, PHP_EOL; // 0.171475172043
var_dump($an_array);
//------------------------------------------------------------------------------

$start = microtime(true);
$an_array = array();
for ($i = 0; $i <= 10000; $i++)
    {
    reset($an_object);
    while (list($key, $val) = each($an_object))
        {
        $key = ($key{0} === "\0") ? substr($key, strpos($key, "\0", 1) + 1) : $key;
        $an_array[$key] = $val;
        }
    }
echo microtime(true) - $start, PHP_EOL; // 0.0651688575745
var_dump($an_array);
//------------------------------------------------------------------------------
$start = microtime(true);
$an_array = array();
for ($i = 0; $i <= 10000; $i++)
    {
    $an_array = $an_object->getAllProperties();
    }
echo microtime(true) - $start, PHP_EOL; // 0.0214040279388
var_dump($an_array);
//------------------------------------------------------------------------------
$an_array = array(
    'protected_property' => 'other_protected_value',
    'private_property' => 'other_private_value',
    'public_property' => 'other_public_value',
);
//------------------------------------------------------------------------------
$start = microtime(true);
for ($i = 0; $i <= 10000; $i++)
    {
    $reflection = new \ReflectionClass($an_object);
    $properties = $reflection->getProperties();
    foreach ($properties as $property)
        {
        $property->setAccessible(true);
        $property->setValue($an_object, $an_array[$property->getName()]);
        if (!$property->isPublic())
            $property->setAccessible(false);
        }
    $reflection = null;
    $properties = null;
    }
echo microtime(true) - $start, PHP_EOL; // 0.166314125061
var_dump($an_object);
//------------------------------------------------------------------------------
$start = microtime(true);
for ($i = 0; $i <= 10000; $i++)
    {
    array_walk($an_object, function(&$val, $key, $array)
                {
                $key = ($key{0} === "\0") ? substr($key, strpos($key, "\0", 1) + 1) : $key;
                $val = $array[$key];
                }, $an_array);
    }
echo microtime(true) - $start, PHP_EOL; // 0.0659220218658
var_dump($an_object);
//------------------------------------------------------------------------------