/**
* Prepare static variables before processing a {@link get_static} or {@link set_static}
* call.
*/
private static function prepare_statics($class)
{
// _cache_statics_prepared setting must come first to prevent infinite loops when we call
// get_static below
self::$_cache_statics_prepared[$class] = true;
// load statics now for DataObject classes
if (is_subclass_of($class, 'DataObject')) {
$extensions = Object::uninherited_static($class, 'extensions');
if ($extensions) {
foreach ($extensions as $extension) {
$extensionClass = $extension;
if (preg_match('/^([^(]*)/', $extension, $matches)) {
$extensionClass = $matches[1];
}
if (is_subclass_of($extensionClass, 'DataExtension')) {
DataExtension::load_extra_statics($class, $extension);
} else {
user_error("{$extensionClass} cannot be applied to {$class} without being a DataExtension", E_USER_ERROR);
}
}
}
}
}
