src/XSD2PHP/src/com/mikebevz/xsd2php/Common.php
public function resolveNamespace($shortNs)
    {
        if (!($this->dom instanceof \DOMDocument)) {
            throw new RuntimeException("DOM is not initialized");
        }

        if (!is_array($this->namespaces)) {
            $this->namespaces = $this->getDocNamespaces($this->dom);
        }

        if (array_key_exists($shortNs, $this->namespaces)) {
            return $this->namespaces[$shortNs];
        } else {
            return $shortNs;
        }
    }
public function resolveNamespace($shortNs)
    {
        if (!($this->dom instanceof \DOMDocument)) {
            throw new RuntimeException("DOM is not initialized");
        }

        if (!is_array($this->namespaces)) {
            $this->namespaces = $this->getDocNamespaces($this->dom);
        }

        if (array_key_exists($shortNs, $this->namespaces)) {
            return $this->namespaces[$shortNs];
        } else {
            return $shortNs;
        }
    }
Resolve short namespace to long, or return the same code if not found

@param unknown_type $shortNs

@return string Long namespace