LogTheInvocation.php

<?php declare(strict_types = 1);

class Logger
{
	function info(string $msg):void{}
}

$logger = new Logger();

/**
 * @return \Closure(array{0:object,1:string}):callable
 *
 **/
function decorateWith(Logger $logger):\Closure
{
	/** @return callable **/
    return function(array $call) use($logger)
    {
        $msg = 'object:'.var_export($call[0],true).' invoking: '.$call[1]; 
        $logger->info($msg);
        /** @var callable $result **/ $result = $call;
		return $result;
    };
}

class Pippo
{
    function hello(string $name):void
    {
        echo "HELLO ".$name.PHP_EOL;
    }
}

class Pluto
{
  function execute(callable $task, string $data):void
  {
	$task(  $data );
  }
}

$pippo = new Pippo();
$pluto = new Pluto();

$pluto->execute( 
      decorateWith($logger)
      ([$pippo,'hello']),"Stefano");