PHP获得工具属性的三观其站长工具箱+webmaster+toolbox-种方式真例阐发
明天检察yii源码,发明yii\base\Model中的attribute()方式是经由过程反射获得工具的public non-static属性。记患上之前见到的代码皆是用get_object_vars()那个函数获得的,今天检察php文档,发明借能够用foreach遍历工具属性。因而编辑个例子操练下。
- class TestClass {
- private $a;
- protected $b;
- public $c;
- public $d;
- public static $e;
- private function funcA() {
- }
- protected function funcB() {
- }
- public function funcC() {
- }
- public function getPropertyMethodOne() {
- 上海seo排名工具echo "[get_object_vars]", PHP_EOL;
- $vars = get_object_vars($this);
- foreach ($vars as $k => $v) {
- echo $k, ‘ => ‘, $v, PHP_EOL;
- }
- }
- public function getPropertyMethodTwo() {
- echo "[foreach object]", PHP_EOL;
-  站长工具的数据怎么用; foreach ($this as $k => $v) {
- echo $k, ‘ => ‘, $v, PHP_EOL;
- }
- }
- public function getPropertyMethodThree() {
- echo "[reflection]", PHP_EOL;
- $class = new ReflectionClass($this);
- foreach ($class->getProperties(ReflectionProperty::IS_PUBLIC) as $property) {
- if (!$property->isStatic()) {
- echo $property-偏码转换站长工具>getName(), ‘ => ‘, $property->getValue($this), PHP_EOL;
- }
- }
- }
- }
复造代码
测试代码一
- $obj = new TestClass();
- echo "[get_object_vars]", PHP_EOL;
- $vars = get_object_vars($obj);
- foreach ($vars as $k => $v) {
- echo $k, ‘ => ‘, $v, PHP_EOL;
- }
- echo "[foreach object]", PHP_EOL;
- foreach ($obj as $k => $v) {
- echo $k, ‘ => ‘, $v, PHP_EOL;
- }
- echo "[reflection]", PHP_EOL;
- $class = new ReflectionClass($obj);
- foreach ($class->getProperties(ReflectionProperty::IS_PUBLIC) as $property) {
- if (!$property->isStatic()) {
- echo $property->getName(), ‘ =>站长工具里面的指数是什么意思; ‘, $property->getValue($obj), PHP_EOL;
- }
- }
复造代码
输入:
- [get_object_vars]
- c =>
- d =>
- [foreach object]
- c =>
- d =>
- [reflection]
- c =>
- d =>
复造代码
可睹,当着三种方式用正在类的中部时,成果是同样的。get_object_vars()战foreach是获得到的是工具的public non-static属性,而经由过程反射的话则要求脚动挑选出public non-static属性。
测试代码两
- $obj = new TestClass();
- $obj->getPropertyMethodOne();
- $obj->getPropertyMethodTwo();
- $obj->getPropertyMethodThree();
复造代码
输入
- [get_object_vars]
- a =>
- b =>
- c =>
- d =>
- [foreach object]
- a =>
- b =>
- c =>
- d =>
- [reflection]
- c =>
- d =>
复造代码
可睹,get_object_vars()战foreach用正在类里面时,private、protected、public的真例属性皆能获得到。反射便不消讲了,经由过程脚动挑选,各类范例的属性皆能获得到。