How to use the container reflection method encapsulated by thinkphp5.1 in business code

invokeClass
usage ： Namespace instantiation is not required ( Instantiated by reflection )
$obj = Container::getInstance()->invokeClass(InvokerTest::class);
var_dump($obj->invokerNews());die;

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invokeMethod
usage ： Pass in the class with namespace and the corresponding method , Call this method after instantiation
$methods = Container::getInstance()->invokeMethod(["app\common\service\InvokerTest", "invokerNews"]);
var_dump($methods);die;

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invokeFunction
usage ： You can execute custom functions and closures , Parameters are passed as an array
$functions = Container::getInstance()->invokeFunction(function ($name) {
    return "hello {$name}";
}, ["beiqiaosu"]);
var_dump($functions);die;

$functions = Container::getInstance()->invokeFunction("procmsg", ["12312", "heillo"]);
var_dump($functions);die;

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invoke
usage ：invokeFunction and invokeMethod A combination
$invoke = Container::getInstance()->invoke(["app\common\service\InvokerTest", "invokerNews"]);
var_dump($invoke);die;