private function resolve($schema, $parents = array())
{
$result = $schema;
if ($ref = JsonUtils::get($schema, '$ref')) {
$refSchema = JsonUtils::get($this->references, $ref);
if (in_array($ref, $parents)) {
throw new \RuntimeException('Circular reference to ref ' . $ref);
} elseif (JsonUtils::get($refSchema, '$ref')) {
$parents[] = $ref;
$result = $this->resolve($refSchema, $parents);
} else {
$result = $refSchema;
}
}
return $result;
}
protected function validateUnique($data)
{
$count = count($data);
for ($i = 0; $i < $count; ++$i) {
for ($j = $i + 1; $j < $count; ++$j) {
if (JsonUtils::equals($data[$i], $data[$j])) {
return false;
}
}
}
return true;
}
