protected static function loadSubClassesMap()
{
self::$_classInheritMap = array();
if (!file_exists(self::$_classInheritMapLocation)) {
foreach (self::$_classMap as $class) {
if (!class_exists($class)) {
continue;
}
$parentClass = get_parent_class($class);
while ($parentClass) {
if (!isset(self::$_classInheritMap[$parentClass])) {
self::$_classInheritMap[$parentClass] = array();
}
self::$_classInheritMap[$parentClass][] = $class;
$parentClass = get_parent_class($parentClass);
}
}
file_put_contents(self::$_classInheritMapLocation, serialize(self::$_classInheritMap));
} else {
self::$_classInheritMap = unserialize(file_get_contents(self::$_classInheritMapLocation));
}
}
