include'ChromePhp.php';$age=0;$age++;functiontest1(){static$age=100;$age++;ChromePhp::log($age);//output 101}functiontest2(){static$age=1000;$age++;ChromePhp::log($age);//output 1001}test1();test2();ChromePhp::
另外,属于静态存储方式的变量不一定就是静态变量。 例如:外部变量(在PHP中指全局变量)虽属于静态存储方式,但不一定是静态变量,必须由 static加以定义后才能成为静态外部变量,或称静态全局变量。 所有的全局变量都是静态变量,而局部变量只有定义时加上类型修饰符static,才为局部静态变量。 静态变量可以在任何可以申请的地...
var_dump($this); // 报错 Notice: Undefined variable: this } } Foo::aStaticMethod(); $classname = 'Foo'; $classname::aStaticMethod(); 类的静态属性 静态属性的例子,注意静态属性的访问方式: class Foo { public static $my_static = 'foo'; public function staticValue() { return self::$my...
ChromePhp::log($i);//output 10; ChromePhp::log($age);//output 11; ?>
echo $var; //报错:Notice: Undefined variable: var 关于静态全局变量 代码如下 复制代码 //全局变量本身就是静态存储方式,所有的全局变量都是静态变量 function static_global(){ global $glo; $glo++; echo $glo.''; } static_global(); //1 static...
; (3) based on the unit of integrated functional modules, recognizing the incredible variables by using a static analysis method; and (4) summarizing the extraction results of all the modules, generating reports, and recording the PHP files and the specific position of each incredible variable. ...
Description The following code: function getUserContext() { static $userContext ??= User::load(\Drupal::currentUser()->id()); return $userContext; } <?php Resulted in this output: syntax error, unexpected token "??=", expecting "," or ";...
Example Use a static variable in a function: <?php function add1() { static $number = 0; $number++; return $number;}echo add1();echo "";echo add1();echo "";echo add1(); ?> Try it Yourself » ❮ PHP Keywords Track your...
In my controllerabout.phpI user the following code: Code: <? class About extends Controller { public function __construct() { parent::Controller(); // LOADING MODELS HERE } public function index() { $data["main_content"] = "index/homepage"; ...
Static methods in a classcan be called without an instance of the object created. Pseudo variable$this is not availableinside the method declared as static. class MyCircle { // Instance members (one per object) public $r = 10; function getArea() ...