php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容

												 				  Clear history				  				 				 				 HttpRequest::addSslOptions				 HttpRequest::__construct				 The HttpRequest				 PHP Manual								 				  HttpRequest::clearHistory				  (PECL pecl_http:0.15.0-1.5.5)HttpRequest::clearHistory — Clear history								 				 				  Description				  				   public				   void HttpRequest::clearHistory				    ( void				   )												  				   Clears all history messages.				  				  Note: 				   				    History is only logged if recordHistory was enabled.				   				  								 												 												 												 												 																 HttpRequest::addSslOptions				 HttpRequest::__construct				 The HttpRequest				 PHP Manual