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

												 				  Get and/or set the current session module				  				 				 				 session_is_registered				 session_name				 Session Functions				 PHP Manual								 				  session_module_name				  (PHP 4, PHP 5)session_module_name — Get and/or set the current session module								 				 				 				  Description				  				   string session_module_name				    ([ string $module				  ] )								  				   session_module_name() gets the name of the current				   session module. 				  				 												 				  Parameters				  				   								    								     module												     								      				       If module				 is specified, that module will be				       used instead.				      				     								    								   								  				 												 				  Return Values				  				   Returns the name of the current session module.				  				 																 session_is_registered				 session_name				 Session Functions				 PHP Manual