/**
* Make sure all object references are cloned.
*
*/
public function postClone()
{
// Images / resources
if (is_object($this->bannerImage)) {
// Clone does not work for this kind of reference.
// Manual copy mode engaged.
$this->bannerImage = $this->bannerImage->copy();
}
// Tags.
$tempTags = new ArrayCollection();
foreach ($this->tags as $tag) {
$tempTags->add($tag);
}
$this->tags = $tempTags;
// Knowledge Prerequisites.
$tempKnowledgePrerequisites = new ArrayCollection();
foreach ($this->knowledgePrerequisites as $knowledgePrerequisite) {
$newKnowledgePrerequisite = clone $knowledgePrerequisite;
$newKnowledgePrerequisite->setQuiz($this);
$tempKnowledgePrerequisites->add($knowledgePrerequisite);
}
$this->knowledgePrerequisites = $tempKnowledgePrerequisites;
$tempExercises = new ArrayCollection();
foreach ($this->exercises as $exercise) {
$newExercise = clone $exercise;
$newExercise->postClone();
$newExercise->setQuiz($this);
$tempExercises->add($newExercise);
}
$this->exercises = $tempExercises;
$tempSubjects = new ArrayCollection();
foreach ($this->subjects as $subject) {
$tempSubjects->add($subject);
}
$this->subjects = $tempSubjects;
$tempLevels = new ArrayCollection();
foreach ($this->levels as $level) {
$tempLevels->add($level);
}
$this->levels = $tempLevels;
}
/**
* Implementation of clone magic method.
*/
public function postClone()
{
if (!is_null($this->image)) {
$this->image = $this->image->copy();
}
}
/**
* Implementation of custom clone method since
* native php __clone raises error in Flow.
* Override in exercises which have additional references to objects.
*/
public function postClone()
{
if (is_object($this->image)) {
$this->image = $this->image->copy();
}
if (is_object($this->pdfFile)) {
$this->pdfFile = $this->pdfFile->copy();
}
if (is_object($this->soundFile)) {
$this->soundFile = $this->soundFile->copy();
}
}
