<?php
class Foo
{
public $result;
protected $message;
protected $level;
function __construct($message = 'Nothing to say', $level = E_USER_NOTICE)
{
$this->message = $message;
$this->level = $level;
}
function raiseError()
{
trigger_error($this->message, $this->level);
}
function something()
{
$this->result .= ' do intermadiate result';
return $this;
}
function somethingelse()
{
$this->result .= ' do final result';
return $this;
}
}
$foo = new Foo();
echo $foo->something()->somethingelse()->result;
$foo->raiseError();
