PHP Proxy function in class

TestClass.php

<?php

// Source:
// https://stackoverflow.com/questions/3716649/how-to-auto-call-function-in-php-for-every-other-function-call

class test {
    function __construct(){}

    private function test1(){
        echo "In test1", PHP_EOL;
    }
  
    private function test2(){
        echo "test2", PHP_EOL;
    }
  
    protected function test3(){
        return "test3" . PHP_EOL;
    }
  
    public function __call($method, $arguments) {
        if(method_exists($this, $method)) {
            $this->test1();
            return call_user_func_array([$this, $method], $arguments);
        }
    }
}

$a = new test;

$a->test2();

echo $a->test3();

/*
* Output:
* In test1
* test2
* In test1
* test3
*/