#!/usr/local/bin/php
<?php

class Foo
{
  public function __call($n,$a) {
    var_dump(func_get_args());

    return $this;
  }
  public function __get($n) {
    var_dump(func_get_args());

    return $this;
  }
}

(new Foo)->{`ls`}->{'foo|bar|baz'};