PHP中is_callable()函数的用法详解 <?php class test { static function a() { return "test"; } } class abc { public function a($Object,$funcName){ if (!is_callable(array($Object,$funcN...
简述PHP7.4 新特性和废弃的功能 1. 属性添加限定类型 <?php class User { public int $age; public string $name } $user = new User(); $user->age = 10; $user->name = "张三"; //error $user->age = "zhang"...