"            .print_r($var1,true).print_r($var2,true).            "";    }}class Test{    /**    * 静态变量、实例变量    **/    public static $staticVal = 1;    public $instanceVal = 1;    public function __construct()    {        $this->a();        $this->c();        p(self::$staticVal,"class static ");        p($this->instanceVal,"class instance ");    }    public function a()    {        self::$staticVal++;        $this->instanceVal++;    }    public function b()    {        static $val = 1;        $val1 = 1;        $val++;        $val1++;        p($val,"function static ");        p($val1,"function instance ");    }    public function c()    {        self::$staticVal++;        $this->instanceVal++;    }        //输出    public function dis()    {        p(self::$staticVal,"class static ");        p($this->instanceVal,"class instance ");    }}p("调用a，c方法，分别让类内两参数自增并输出");$test = new Test();p("再次调用a，c方法，分别让类内两参数自增并输出");$test->a();$test->c();$test->dis();p("调用b方法，分别让方法内两参数自增并输出");$test->b();p("再次调用b方法，分别让方法内两参数自增并输出");$test->b();

结果，类内静态、实例变量结果完全一样，但是方法内的静态参数会保留上一次计算的值，而实例变量每一次都会初始化。