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Re: out of sheer curiosity...

From Jerry Stuckle <jstucklex@attglobal.net>
Newsgroups comp.lang.php
Subject Re: out of sheer curiosity...
Date 2012-04-09 20:25 -0400
Organization A noiseless patient Spider
Message-ID <jlvuld$qm4$2@dont-email.me> (permalink)
References (17 earlier) <jlv19f$9ts$1@dont-email.me> <jlv8cg$2j7$1@news.albasani.net> <jlvb2i$6t4$1@dont-email.me> <jlvis4$og6$1@news.albasani.net> <jlvnos$jcs$1@dont-email.me>

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On 4/9/2012 6:27 PM, Scott Johnson wrote:
> On 4/9/2012 2:03 PM, Thomas Mlynarczyk wrote:
>> Scott Johnson schrieb:
>>
>>> What would be the reason to serialize an object other then to save it
>>> for later use, and at the time I can't really come up with a reason
>>> for that in my mind (lack of experience in this area I suppose)
>>
>> True, this seems to be the most common use case: Make the object persist
>> between different HTTP requests.
>>

Scotty, please see my reply to Thomas.  Only the state persists between 
requests.  The behavior doesn't.  This is a huge difference.

>>> Now if you are saving it for later use then the original object would
>>> no longer exist and the external resources as Jerry explained would no
>>> longer be available if not for the constructor.
>>
>> The point is that an unserialized object would usually be in a different
>> state than a "fresh" object created using the `new` operator and thus
>> require different initialization tasks to be performed. That's why
>> different magic methods exist:
>>
>> __construct(): Object is "fresh", created using `new`
>> __clone(): Object was copied from another object
>> __wakeup(): Object was unserialized
>>
>> Greetings,
>> Thomas
>>
> OK I see.
>
> I had not even thought about the need for creating the object from
> either new or from a copied version.
>

Actually, both are quite common in true OO languages such as C++, Java 
or Smalltalk.

> Thanks for squeezing my brain.
>
> Scotty


-- 
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

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Thread

out of sheer curiosity... "Leonardo Azpurua" <leonardo@exmvps.org> - 2012-03-27 12:31 -0430
  Re: out of sheer curiosity... "Álvaro G. Vicario" <alvaro.NOSPAMTHANX@demogracia.com.invalid> - 2012-03-27 19:06 +0200
    Re: out of sheer curiosity... "Leonardo Azpurua" <leonardo@exmvps.org> - 2012-03-27 13:04 -0430
  Re: out of sheer curiosity... Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-03-28 21:12 +0200
    Re: out of sheer curiosity... "Leonardo Azpurua" <leonardo@exmvps.org> - 2012-03-28 20:23 -0430
      Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-03-29 10:00 +0200
        Re: out of sheer curiosity... "Leonardo Azpurua" <leonardo@exmvps.org> - 2012-03-29 05:23 -0430
          Re: out of sheer curiosity... The Natural Philosopher <tnp@invalid.invalid> - 2012-03-29 11:46 +0100
            Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-03-29 14:02 +0200
            Re: out of sheer curiosity... Erwin Moller <erwinmollerusenet@xs4all.nl> - 2012-03-29 14:33 +0200
              Re: out of sheer curiosity... The Natural Philosopher <tnp@invalid.invalid> - 2012-03-29 14:37 +0100
                Re: out of sheer curiosity... Erwin Moller <erwinmollerusenet@xs4all.nl> - 2012-03-29 15:59 +0200
                Re: out of sheer curiosity... The Natural Philosopher <tnp@invalid.invalid> - 2012-03-29 17:58 +0100
              Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-29 09:39 -0400
                Re: out of sheer curiosity... Erwin Moller <erwinmollerusenet@xs4all.nl> - 2012-03-29 16:21 +0200
                Re: out of sheer curiosity... The Natural Philosopher <tnp@invalid.invalid> - 2012-03-29 18:09 +0100
                Re: out of sheer curiosity... Tim Streater <timstreater@greenbee.net> - 2012-03-29 22:07 +0100
                Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-03-29 23:43 +0200
                Re: out of sheer curiosity... The Natural Philosopher <tnp@invalid.invalid> - 2012-03-30 04:52 +0100
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-29 16:11 -0400
                Re: out of sheer curiosity... Tim Streater <timstreater@greenbee.net> - 2012-03-29 22:01 +0100
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-29 19:29 -0400
                Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-08 22:50 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-08 17:15 -0400
                Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-09 00:39 +0200
                Re: out of sheer curiosity... The Natural Philosopher <tnp@invalid.invalid> - 2012-04-09 00:59 +0100
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-08 20:28 -0400
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-08 20:24 -0400
                Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-09 11:29 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-09 08:27 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-09 15:20 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-09 12:03 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-09 20:04 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-09 14:37 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-09 22:50 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-09 20:17 -0400
                Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-10 10:05 +0200
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 13:28 +0200
                Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-10 18:54 +0200
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 20:10 +0200
                Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-10 20:23 +0200
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 23:17 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 17:11 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 23:30 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 19:43 -0400
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 17:08 -0400
                Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-11 10:40 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 07:58 -0400
                Re: out of sheer curiosity... Tim Streater <timstreater@greenbee.net> - 2012-04-10 16:04 +0100
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 12:10 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 18:18 +0200
                Re: out of sheer curiosity... The Natural Philosopher <tnp@invalid.invalid> - 2012-04-10 18:20 +0100
                Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-10 19:31 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 17:20 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 23:57 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 19:50 -0400
                Re: out of sheer curiosity... Tim Streater <timstreater@greenbee.net> - 2012-04-10 17:41 +0100
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 17:25 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 12:16 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 13:44 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 08:04 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 17:37 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 12:19 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 18:44 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 17:23 -0400
                Re: out of sheer curiosity... Scott Johnson <noonehome@chalupasworld.com> - 2012-04-09 11:50 -0700
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-09 23:03 +0200
                Re: out of sheer curiosity... Scott Johnson <noonehome@chalupasworld.com> - 2012-04-09 15:27 -0700
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-09 20:25 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 12:48 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 08:06 -0400
                Re: out of sheer curiosity... "Leonardo Azpurua" <leonardo@exmvps.org> - 2012-04-10 07:52 -0430
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 12:20 -0400
                Re: out of sheer curiosity... "Leonardo Azpurua" <leonardo@exmvps.org> - 2012-04-10 12:03 -0430
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 17:28 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-11 00:13 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 19:53 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-11 22:17 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-11 16:30 -0400
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-09 20:22 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 12:43 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 08:11 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 18:15 +0200
                Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-10 19:09 +0200
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 20:17 +0200
                Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-10 20:25 +0200
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-10 23:21 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 17:34 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-11 01:00 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-10 19:54 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-11 22:10 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-11 16:31 -0400
                Re: out of sheer curiosity... Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2012-04-11 22:40 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-12 00:02 -0400
                Re: out of sheer curiosity... "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-04-12 12:00 +0200
                Re: out of sheer curiosity... Jerry Stuckle <jstucklex@attglobal.net> - 2012-04-12 07:45 -0400

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