19 declare(strict_types=1);
49 $this->flow_mat[] = $a_flow_mat;
59 return $this->material[$index] ??
null;
addFlowMat(ilQTIFlowMat $a_flow_mat)
addMaterial(ilQTIMaterial $material)
while($session_entry=$r->fetchRow(ilDBConstants::FETCHMODE_ASSOC)) return null
setComment(string $a_comment)
Interface ilQTIMaterialAware.