original_string: private function generateHead()
  	{
  		$out  = '<?xml version="1.0" encoding="utf-8"?>' . "\n";
  
  		if ($this->version == self::RSS2)
  		{
  			$out .= '<rss version="2.0"
  					xmlns:content="http://purl.org/rss/1.0/modules/content/"
  					xmlns:wfw="http://wellformedweb.org/CommentAPI/"
  				  >' . PHP_EOL;
  		}
  		elseif ($this->version == self::RSS1)
  		{
  			$out .= '<rdf:RDF
  					 xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  					 xmlns="http://purl.org/rss/1.0/"
  					 xmlns:dc="http://purl.org/dc/elements/1.1/"
  					>' . PHP_EOL;
  		}
  		elseif ($this->version == self::ATOM)
  		{
  			$out .= '<feed xmlns="http://www.w3.org/2005/Atom">' . PHP_EOL;
  		}
  		return $out;
  	}
code: private function generateHead()
  	{
  		$out  = '<?xml version="1.0" encoding="utf-8"?>' . "\n";
  
  		if ($this->version == self::RSS2)
  		{
  			$out .= '<rss version="2.0"
  					xmlns:content="http://purl.org/rss/1.0/modules/content/"
  					xmlns:wfw="http://wellformedweb.org/CommentAPI/"
  				  >' . PHP_EOL;
  		}
  		elseif ($this->version == self::RSS1)
  		{
  			$out .= '<rdf:RDF
  					 xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  					 xmlns="http://purl.org/rss/1.0/"
  					 xmlns:dc="http://purl.org/dc/elements/1.1/"
  					>' . PHP_EOL;
  		}
  		elseif ($this->version == self::ATOM)
  		{
  			$out .= '<feed xmlns="http://www.w3.org/2005/Atom">' . PHP_EOL;
  		}
  		return $out;
  	}
code_tokens: private function generateHead ( ) { $ out = '<?xml version="1.0" encoding="utf-8"?>' . "\n" ; if ( $ this -> version == self :: RSS2 ) { $ out .= '<rss version="2.0"
  					xmlns:content="http://purl.org/rss/1.0/modules/content/"
  					xmlns:wfw="http://wellformedweb.org/CommentAPI/"
  				  >' . PHP_EOL ; } elseif ( $ this -> version == self :: RSS1 ) { $ out .= '<rdf:RDF
  					 xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  					 xmlns="http://purl.org/rss/1.0/"
  					 xmlns:dc="http://purl.org/dc/elements/1.1/"
  					>' . PHP_EOL ; } elseif ( $ this -> version == self :: ATOM ) { $ out .= '<feed xmlns="http://www.w3.org/2005/Atom">' . PHP_EOL ; } return $ out ; }
docstring: Prints the xml and rss namespace
  
  @return string
docstring_tokens: Prints the xml and rss namespace