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

												 				  Change the current value of a counter.				  				 				 				 Counter::getValue				 Counter::resetValue				 Counter				 PHP Manual								    				     Counter::bumpValue				     Counter::bumpValue — 				      Change the current value of a counter.				     								    				    				     Description				     				      void Counter::bumpValue				       ( integer $offset				      )								     				      Counter::bumpValue() updates the current value of a				      counter.				     				    								    				     Parameters				     								      								       offset												       								        				         The amount by which to change the counter's value. Can be negative.				        				       								      								     								    								    				     See Also				     				      Counter::getValue()				      Counter::resetValue()				     				    								   				 Counter::getValue				 Counter::resetValue				 Counter				 PHP Manual