ilAssLacAbstractComposite.php

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<?php

abstract class ilAssLacAbstractComposite implements ilAssLacCompositeInterface
{
    public $nodes = [];

    public function addNode(ilAssLacCompositeInterface $node): void
    {
        $this->nodes[] = $node;
    }

    public function describe(): string
    {
        $description = "";
        if (\count($this->nodes) > 0) {
            $description .= "(" . $this->nodes[0]->describe();
        }
        $description .= $this->getDescription();
        if (\count($this->nodes) > 0) {
            $description .= $this->nodes[1]->describe() . ") ";
        }
        return $description;
    }
}