/**
* Adds a trait.
*
* If the trait is passed as PhpTrait object,
* the trait is also added as use statement.
*
* @param PhpTrait|string $trait trait or qualified name
* @return $this
*/
public function addTrait($trait)
{
if ($trait instanceof PhpTrait) {
$name = $trait->getName();
$qname = $trait->getQualifiedName();
$namespace = $trait->getNamespace();
if ($namespace != $this->getNamespace()) {
$this->addUseStatement($qname);
}
} else {
$name = $trait;
}
if (!in_array($name, $this->traits)) {
$this->traits[] = $name;
}
return $this;
}
