get_class (): 获取当前调用方法的类名; get_called_class():获取静态绑定后的类名; abstract class dbObject { const TABLE_NAME='undefined'; public static function GetAll() { $c = get_called_class(); return "SELECT * FROM `".$c::TABLE_NAME."`"; } } class dbPerson extends dbObject ...
1.static方法是类中的一个成園方法,属于整个类,即不用創建任何对象也可以直接调用! static内部只能...
get_class (): 获取当前调用方法的类名; get_called_class():获取静态绑定后的类名; 有例为证: classFoo{publicfunctiontest(){var_dump(get_class()); }publicfunctiontest2(){var_dump(get_called_class()); }publicstaticfunctiontest3(){var_dump(get_class()); }publicstaticfunctiontest4(){var_d...
<?php // 子类扩展站点类别 class Child_Site extends Site { var $category; function setCate($par){ $this->category = $par; } function getCate(){ echo $this->category . PHP_EOL; } }方法重写如果从父类继承的方法不能满足子类的需求,可以对其进行改写,这个过程叫方法的覆盖(override),也称为...
<?php interface B { public function fn(): void; } class A { public function fn(): void {} } class C extends A implements B { #[\Override] public function fn(): void {} } ?> 超类中必须存在匹配的方法。作为演示,请运行下面的脚本,其中#[\Override] 属性放置在没有与超类匹配的方法上...
9class Photo extends Model implements Attachable 10{ 11 /** 12 * Get the attachable representation of the model. 13 */ 14 public function toMailAttachment(): Attachment 15 { 16 return Attachment::fromPath('/path/to/file'); 17 } 18}Once...
<?phpclassTestObject{publicfunction__destruct(){echo$this->data;echo'Destruct called';}}$filename='phar://phar.phar/test.txt';file_get_contents($filename);?> 这里可以看到已经反序列化成功触发__destruct方法并且读取了文件内容。 其他函数也是可以的,就不一一试了, ...
echo "Private method called.\n"; } } // 创建 ReflectionClass 实例 $reflectionClass = new ReflectionClass('MyClass'); // 获取类名 echo "Class name: " . $reflectionClass->getName() . "\n"; // 检查是否包含某个方法 if ($reflectionClass->hasMethod('publicMethod')) { ...
void *object_or_called_scope; uint32_t call_info; if (EG(exception) != NULL) { return; } object_or_called_scope = zend_get_this_object(EG(current_execute_data)); if (EXPECTED(!object_or_called_scope)) { object_or_called_scope = zend_get_called_scope(EG(current_execute_data));...
Class Redis Description: Creates a Redis client Example $redis = new Redis(); Starting from version 6.0.0 it's possible to specify configuration options. This allows to connect lazily to the server without explicitly invoking connect command. Example $redis = new Redis([ 'host' => '127.0....