Class Olivier extends Human

<?php
/*
 * Copyright (C) 2010 - Neigedhiver
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace Animal;

class Human {
	const STATE_PITIFUL = 'pitiful';
	const STATE_TIRED = 'tired';
	const STATE_THINKING = 'thinking';
	const STATE_NO_SLEEPING_FOR_2_DAYS = 'almost dead';
}

/**
 * This is me
 * @author olivier
 *
 */
class Olivier extends Human {

	/**
	 * This is private == secret
	 * @var $age int
	 */
	private $age = 33;
	
	/**
	 * Oh ! Really ?
	 * @var boolean
	 */
	protected $geek = TRUE;
	
	/**
	 * The time I go to bed (UnixTimestamp)
	 * @TODO : Use DateTime
	 * @var $timeWentToBed int
	 */
	private $timeWentToBed;
	
	/**
	 * Naturraly, no one can change this value !!
	 * @return boolean
	 */
	public function isGeek() {
		return $geek;
	}
	
	public function __sleep() {
		switch ($this -> state) {
			case Human::STATE_THINKING:
			case Human::STATE_PITIFUL:
				$this -> waitBeforeSleep();
				break;
			case Human::STATE_NO_SLEEPING_FOR_2_DAYS:
				$this -> closeEyes('45min', array($this -> openEyes(), $this -> waitBeforeSleep()));
				break;
		}
	}
	
	public function __wakeUp() {
		if ($this -> hasAppoitment()) {
			$this -> openEyes();
			$this -> standUp();
			$this -> state = Human::STATE_PITIFUL & Human::STATE_TIRED;
			$this -> increaseAdrenaline('max');
			$this -> mode = 'hurry';
		}
		else {
			if ($this -> canEarAlarmClock()) {
				$this -> shutTheFuckUp($this -> alarmClock);
			}
			elseif ($this -> mode !== 'dreaming') {
				$this -> dream();
			}
		}
	}
	
	/**
	 * May I ever be able to sleep in less than 2 hours ?
	 */
	private function waitBeforeSleep() {
		static $wait = 0;
		// Can't really be 0...
		0 === $wait && $wait = mt_rand(1,6);
		// @TODO : use DateInterval and DatePeriod
		while(time() > $this -> timeWentToBed + 3600*$wait) {
			$this -> think() or $this -> worry();
			// Every 30 minutes...
			if ((time() - $this -> timeWentToBed) % 30 == 0) {
				$this -> openEyes();
			}
			if ($wait > 2 && time() > $this -> timeWentToBed + 3600) {
				$this -> standUp();
				$this -> wear($this -> clothes);
				$this -> computer -> screen -> powerOn();
				$this -> writeDumbCode();
			}
		}
		// Of course...
		if ($wait > 2) {
			$this -> state = Human::STATE_PITIFUL;
		}
		$wait = 0;
	}
	
	/**
	 * I wish I could live my dreams
	 */
	private function dream() {
		static $dreams = array('superHeroe', 'meetGirls', 'fly', 'sleeping', 'rich', 'famous', 'writeMovies');
		$this -> dream = mt_rand(0, count($dreams));
	}
	
	/**
	 * An important activity in my life
	 * @param $movie
	 */
	private function watchMovie(Movie $movie) {
		$this -> mode = 'lazy';
		if ($movie -> isBoring && $this -> eyesStatus === 'open') {
			$this -> closeEyes(new Flock(5000));
		}
		if ($movie -> isReallyBoring && $this -> state = Human::STATE_PITIFUL) {
			$this -> dream();
		}
		// Damn !!
		Delay::forget($movie, strtotime('+2 months'));
	}
	
	/**
	 * Yesssss :)
	 * @param $flock How many sheeps are there ?
	 */
	private function closeEyes(Flock $flock) {
		$count = 0;
		foreach ($flock as $sheep) {
			$count++;
		}
	}
	
	/**
	 * Does it really work ?
	 * @return boolean
	 */
	private function canEarAlarmClock() {
		$probability = $this -> state = Human::NO_SLEEP_FOR_2_DAYS ? 0.2 : 0.6;
		return Random::headsOrTails($probability);
	}
}


?>

<?php

include 'olivier.php';
$ol = new Animal\Olivier();
$sol = serialize($ol);

?>

Notice: Undefined property: Animal\Olivier::$state in /path/to/olivier.php on line 63

Notice: serialize(): __sleep should return an array only containing the names of instance-variables to serialize in /path/to/olivier_test.php on line 5