Minor clean up.
Change-Id: I64b9519aed56d8ae4f7d6b42e94acf60a9c386ea
diff --git a/classes/Project.class.php b/classes/Project.class.php
index f3f39c0..522398a 100644
--- a/classes/Project.class.php
+++ b/classes/Project.class.php
@@ -252,12 +252,12 @@
));
}
- public static function visit($function, $pre, $post) {
- $pre(null);
+ public static function visit($callable, $pre = null, $post = null) {
+ if ($pre) call_user_func($pre);
foreach (self::getTopLevelProjects() as $project) {
- $project->visitHierarchy($function, $pre, $post, 0);
+ $project->visitHierarchy($callable, $pre, $post, 0);
}
- $post(null);
+ if ($post) call_user_func($post);
}
private static function getProjects($conditions) {
@@ -420,13 +420,13 @@
return Forge::getForgeForProjectId($this->getId());
}
- public function visitHierarchy($function, $pre, $post, $level) {
- $function($this, $level);
- $pre($this);
+ public function visitHierarchy($function, $pre = null, $post = null, $level) {
+ call_user_func($function, $this, $level);
+ if ($pre) call_user_func($pre, $this);
foreach ($this->getChildren() as $child) {
$child->visitHierarchy($function, $pre, $post, $level + 1);
}
- $post($this);
+ if ($post) call_user_func($post, $this);
}
/**
