在匿名回调PHP中访问实例变量

Question

Lets suppose i have a class & i have to set instance variable from inside the callback.

class A{
   protected $user;

   public __construct(){
      /* Some function here which accept callback */
      StoreData(['name'=>'Stackoverflow'],function($response){
           //how to assign value to $user here???
      });
   }
}

Answer 1

You can assign the entire object to a variable and inject it into the use() thereby modifying the object (presumably this is what you mean?):

<?php
class bug
    {
        protected $user;

        public  function test()
            {
                $thisObj    =   $this;
                goo('test',function() use ($thisObj) {
                    $thisObj->user  =   'foooooooo';
                });

                echo $this->user;
            }
    }

function goo($val,$callback)
    {
        $callback();
    }

$bug    =   new bug();
$bug->test();

You will get:

foooooooo