/**
* Constructs a new instance of Element from the $value.
* @param mixed $value
*/
public function __construct($value = null)
{
$this->value = new \stdClass();
// Caches props.
$parent_class = get_parent_class(get_called_class());
if ($parent_class && $parent_class !== 'Locker\\XApi\\Atom') {
$parent_instance = new $parent_class();
$this->props = array_merge($parent_instance->props, $this->props);
$this->required_props = array_unique(array_merge($parent_instance->required_props, $this->required_props));
$this->default_props = array_merge($parent_instance->default_props, $this->default_props);
}
$this->known_props = array_keys($this->props);
// Sets defaults.
foreach ($this->default_props as $prop_key => $prop_value) {
$this->setProp($prop_key, $prop_value);
}
parent::__construct($value);
}
