public function process(XHPASTNode $root)
{
$namespaces = $root->selectDescendantsOfType('n_NAMESPACE');
if (!count($namespaces)) {
return;
}
$statements = $root->getChildOfType(0, 'n_STATEMENT_LIST');
// Ignore the first statement, which should be `n_OPEN_TAG`.
$second_statement = $statements->getChildByIndex(1)->getChildByIndex(0);
if ($second_statement->getTypeName() != 'n_NAMESPACE') {
$this->raiseLintAtNode($second_statement, pht('A script which contains a `%s` statement expects the very first ' . 'statement to be a `%s` statement. Otherwise, a PHP fatal error ' . 'will occur. %s', 'namespace', 'namespace', $second_statement->getTypeName()));
}
}
