private $last_registered;
private static $instance;
+ const API_VERSION = 1;
+
const HOOK_ARTICLE_BUTTON = 1;
const HOOK_ARTICLE_FILTER = 2;
const HOOK_PREFS_TAB = 3;
if (class_exists($class) && is_subclass_of($class, "Plugin")) {
$plugin = new $class($this);
+ $plugin_api = $plugin->api_version();
+
+ if ($plugin_api < PluginHost::API_VERSION) {
+ user_error("Plugin $class is not compatible with current API version (need: " . PluginHost::API_VERSION . ", got: $plugin_api)", E_USER_WARNING);
+ continue;
+ }
+
$this->last_registered = $class;
switch ($kind) {