public function HasHeader ($name = '') {
		if ($this->headers === NULL) $this->initHeaders();
		return isset($this->headers[$name]);
	}
public function HasHeader ($name = '') {
		if ($this->headers === NULL) $this->initHeaders();
		return isset($this->headers[$name]);
	}
public function HasHeader ( $ name = '' ) { if ( $ this -> headers === NULL ) $ this -> initHeaders ( ) ; return isset ( $ this -> headers [ $ name ] ) ; }
Return if request has any http header by given name.
@param string $name Http header string name.
@return bool
Return if request has any http header by given name .