(PHP 5 >= 5.1.2, PECL xmlwriter >= 0.1.0)
XMLWriter::writeAttributeNS -- xmlwriter_write_attribute_ns — Write full namespaced attribute
Object oriented style
$prefix
   , string $name
   , string $uri
   , string $content
   )Procedural style
$xmlwriter
   , string $prefix
   , string $name
   , string $uri
   , string $content
   )Writes a full namespaced attribute.
xmlwriterOnly for procedural calls. The XMLWriter resource that is being modified. This resource comes from a call to xmlwriter_open_uri() or xmlwriter_open_memory().
prefix
     The namespace prefix.
name
     The attribute name.
uri
     The namespace URI.
content
     The attribute value.
   Returns TRUE on success or FALSE on failure.