in src/Facebook/InstantArticles/Elements/Footer.php [225:248]
public function getContainerChildren()
{
$children = array();
if ($this->credits) {
if (is_array($this->credits)) {
foreach ($this->credits as $paragraph) {
if (Type::is($paragraph, Element::getClassName())) {
$children[] = $paragraph;
}
}
} else {
if (Type::is($this->credits, Element::getClassName())) {
$children[] = $this->credits;
}
}
}
if ($this->relatedArticles) {
$children[] = $this->relatedArticles;
}
return $children;
}