/**
* @param string|\Pharborist\Namespaces\NameNode $extends
* @return $this
*/
public function setExtends($extends)
{
if ($extends === NULL) {
if (isset($this->extends)) {
// Remove whitespace after extends keyword.
$this->extends->previous()->remove();
// Remove extends keyword.
$this->extends->previous()->remove();
// Remove whitespace before extends keyword.
$this->extends->previous()->remove();
// Remove extends namespace.
$this->extends->remove();
$this->extends = NULL;
}
} else {
if (is_string($extends)) {
$extends = NameNode::create($extends);
}
if (isset($this->extends)) {
$this->extends->replaceWith($extends);
} else {
$this->name->after([Token::space(), Token::_extends(), Token::space(), $extends]);
}
$this->extends = $extends;
}
return $this;
}
