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：
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<?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 + $this->bar(); } }; }}echo (new An())->drive()->ea(); |
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<?php$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); |
希望本文所述对大家PHP程序设计有所帮助。
原文链接：https://blog.csdn.net/qq_34690432/article/details/86644964
