(PHP 8 >= 8.4.0)
Dom\ChildNode::before — Añade nodos antes del nodo
Añade los nodes
pasados antes del nodo.
nodes
Nodos a añadir antes del nodo. Las cadenas de caracteres son automáticamente convertidas en nodos de texto.
No devuelve ningún valor.
DOM_HIERARCHY_REQUEST_ERR
Raised if the parent is of a type that does not allow children of the
type of one of the passed nodes
, or if the node to
put in is one of this node's ancestors or this node itself.
DOM_WRONG_DOCUMENT_ERR
Raised if one of the passed nodes
was created from a different
document than the one that created this node.