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PHP7匿名类的用法示例

更新时间:2020-04-04 04:30:07 作者:startmvc
本文实例讲述了PHP7匿名类的用法。分享给大家供大家参考,具体如下:<?php/***CreatedbyP

本文实例讲述了PHP7匿名类的用法。分享给大家供大家参考,具体如下:


<?php
/**
 * Created by PhpStorm.
 * User: Itboot
 * Date: 2019/1/17
 * Time: 18:15
 */
class An
{
 private $num;
 protected $age = 15;
 public function __construct() {
 $this->num = 1;
 }
 protected function bar(): int {
 return 10;
 }
 public function drive() {
 return new class($this->num) extends An{
 protected $id;
 public function __construct($num) {
 $this->id = $num;
 }
 public function ea() {
 return $this->id + $this->age + $this->bar();
 }
 };
 }
}
echo (new An())->drive()->ea();


<?php
$fun = function (){
 print '这是匿名函数'. PHP_EOL;
};
$fun();
class Animal
{
 public $num;
 public function __construct(...$args)
 {
 $this->num = $args[0];
 }
 public function getValue($su): int
 {
 return $this->num + $su;
 }
}
$an = new Animal(4);
echo $an->getValue(12) . PHP_EOL;
echo '匿名类'. PHP_EOL;
echo (new class(11) extends Animal{})->getValue(12);

PHP7 匿名类