PHP uses reflection to implement member method invocation of an object

class food{    public  $name  =  ' Apple ';} class person{    const sex =  ' Boy ';     public   $name;    private  $age;    protected  $hobbies  =  [];    public function eat (food  $foodObj, string  $waterName ):string    {        return  "eatting {$ foodobj->name},drinking {$waterName} ";    }    public  Function hello ()     {        return  ' Hello world ';     }} $instance  =  (new reflectionclass (' person ')) Newinstance (); $reflectionMethod  = new reflectionmethod (' person ',  ' eat ');//Verify that the member method is public, Accessible if  (! $reflectionMethod->ispublic ())  {    echo  ' cannot access the Eat method of the person class '  . php_eol;    return;} An array of Reflectionparametr objects $parameters =  $reflectionMethod->getparameters ();if  (Empty ($ Parameters))  {    echo  $reflectionMethod->invoke ($instance);}  else {     $args  = [];    foreach  ($ parameters as  $parameterObj)  {        if  ($ reflectionclass =  $parameterObj->getclass ())  {              $className  =  $reflectionclass->getname ();              $args [] =  (New reflectionclass ($className))- >newinstance ();        } else {              $args [] =&nbsP; ' Hello ';         }    }    echo   $reflectionMethod->invoke ($instance,   .... $args);}

1. Implementing Reflectionclass Objects

2. Implementing Reflectionmethod Objects

3. Implementing Reflectionparameter Objects

4. Implementing dependency injection of objects through reflection
   

PHP uses reflection to implement member method invocation of an object