ActiveRecord\Table::set_associations PHP Method

    private function set_associations()
    {
        require_once __DIR__ . '/Relationship.php';
        $namespace = $this->class->getNamespaceName();
        foreach ($this->class->getStaticProperties() as $name => $definitions) {
            if (!$definitions) {
                # || !is_array($definitions))
                continue;
            }
            foreach (wrap_strings_in_arrays($definitions) as $definition) {
                $relationship = null;
                $definition += array('namespace' => $namespace);
                switch ($name) {
                    case 'has_many':
                        $relationship = new HasMany($definition);
                        break;
                    case 'has_one':
                        $relationship = new HasOne($definition);
                        break;
                    case 'belongs_to':
                        $relationship = new BelongsTo($definition);
                        break;
                    case 'has_and_belongs_to_many':
                        $relationship = new HasAndBelongsToMany($definition);
                        break;
                }
                if ($relationship) {
                    $this->add_relationship($relationship);
                }
            }
        }
    }