(PHP 5 >= 5.1.2, PHP 7, PHP 8, PECL xmlwriter >= 0.1.0)
XMLWriter::writeElementNs -- xmlwriter_write_element_ns — Write full namespaced element tag
Object-oriented style
$prefix,$name,$namespace,$content = nullProcedural style
$writer,$prefix,$name,$namespace,$content = nullWrites a full namespaced element tag.
writerOnly for procedural calls. The XMLWriter instance that is being modified. This object is returned from a call to xmlwriter_open_uri() or xmlwriter_open_memory().
prefix
       The namespace prefix.
       If prefix is null, the namespace will be omitted.
      
nameThe element name.
namespace
       The namespace URI.
       If namespace is null, the namespace declaration will be
       omitted.
      
contentThe element contents.
   Returns true on success or false on failure.
  
| Version | Description | 
|---|---|
| 8.0.0 | writerexpects an XMLWriter
  instance now; previously, a resource was expected. |