PHP method to create an array from an object using Reflection

Reflection.php

/**
 * Awesome method to create an array from an object using Reflection. Useful for JSON serialization
 * @return array : array of object properties.
 */
public function asArray()
{
    $reflectionClass = new ReflectionClass(get_class($this));
    $array = array();
    foreach ($reflectionClass->getProperties() as $property) {
        $property->setAccessible(true);
        $array[$property->getName()] = $property->getValue($this);
        $property->setAccessible(false);
    }
    return $array;
}