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Re: Object constructors/destructors [message #185142 is a reply to message #185140]

Sat, 01 March 2014 19:22

Jerry Stuckle
Messages: 2598
Registered: September 2010

Karma:

Senior Member

On 3/1/2014 12:56 PM, Richard Damon wrote:
> On 2/27/14, 8:25 AM, Jerry Stuckle wrote:
>> On 2/26/2014 11:49 PM, Richard Damon wrote:
>>> On 2/26/14, 8:44 AM, Jerry Stuckle wrote:
>>>> On 2/26/2014 7:50 AM, Richard Damon wrote:
>>>> >
>>>> > An the "name" of the Deserializing constructor in PHP is __wakeup().
>>>> >
>>>> > You also do NOT get two destructor calls on the same object, the
>>>> > deserializing created a new object.
>>>> >
>>>>
>>>> __wakeup() is not a constructor - and does not do the same thing.
>>>>
>>>
>>> What makes it NOT a constructor? IT seems to be exactly the thing that
>>> does what you say must be done to make the new object via
>>> unserialization.
>>>
>>
>> If you want to consider __wakeup() to be a constructor, then you must
>> consider __sleep() to be a destructor. In that case, PHP is also wrong
>> because if an object is serialized, it will call both __sleep() and the
>> destructor. This would be two calls to destructors for the same object.
>>
>
> WHY does __sleep() need to be a destructor?
>
> __sleep() is a function to control how an object is serialized, and the
> object, as you seem to know, still exists, so no destructor should
> happen at this point, in fact, if you look at it, __sleep() has not
> expected to have any effect on the current object, its purpose is to
> make sure that __wakeup() will get all the data it needs, and allow the
> removal of data that it won't need.
>

If you are going to claim __wakeup() is a constructor, then you have to
agree that it's opposite (__sleep()) is a destructor. Otherwise you are
being inconsistent.

You can't just make up rules as you see fit!

--
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Jerry Stuckle
jstucklex(at)attglobal(dot)net
==================

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[Message index]

		Operator precedence By: Christoph Michael Bec on Sun, 23 February 2014 17:03
		Re: Operator precedence By: GS on Sun, 23 February 2014 19:42
		Re: Operator precedence By: Christoph Michael Bec on Sun, 23 February 2014 20:23
		Re: Operator precedence By: Jerry Stuckle on Sun, 23 February 2014 21:34
		Re: Operator precedence By: Richard Damon on Sun, 23 February 2014 23:36
		Re: Operator precedence By: Jerry Stuckle on Mon, 24 February 2014 02:09
		Re: Operator precedence By: Ben Bacarisse on Mon, 24 February 2014 04:49
		Re: Operator precedence By: Thomas 'PointedEars' on Mon, 24 February 2014 11:56
		Re: Operator precedence By: Christoph Michael Bec on Mon, 24 February 2014 16:38
		Re: Operator precedence By: Ben Bacarisse on Mon, 24 February 2014 21:25
		Re: Operator precedence By: Thomas 'PointedEars' on Mon, 24 February 2014 23:38
		Re: Operator precedence By: Christoph Michael Bec on Tue, 25 February 2014 00:07
		Re: Operator precedence By: Thomas 'PointedEars' on Tue, 25 February 2014 00:37
		Re: Operator precedence By: Christoph Michael Bec on Tue, 25 February 2014 01:12
		Re: Operator precedence By: Thomas 'PointedEars' on Tue, 25 February 2014 02:29
		Re: Operator precedence By: Christoph Michael Bec on Tue, 25 February 2014 18:41
		Re: Operator precedence By: Thomas 'PointedEars' on Tue, 25 February 2014 18:55
		Re: Operator precedence By: Christoph Michael Bec on Tue, 25 February 2014 20:36
		Re: Operator precedence By: Ben Bacarisse on Tue, 25 February 2014 03:08
		Re: Operator precedence By: Thomas 'PointedEars' on Tue, 25 February 2014 03:17
		Re: Operator precedence By: Ben Bacarisse on Tue, 25 February 2014 04:45
		Re: Operator precedence By: GS on Tue, 25 February 2014 21:45
		Re: Operator precedence By: Jerry Stuckle on Mon, 24 February 2014 12:00
		Re: Operator precedence By: Christoph Michael Bec on Mon, 24 February 2014 17:11
		Re: Operator precedence By: Jerry Stuckle on Mon, 24 February 2014 19:27
		Re: Operator precedence By: Christoph Michael Bec on Tue, 25 February 2014 00:25
		Re: Operator precedence By: Jerry Stuckle on Tue, 25 February 2014 01:40
		Re: Operator precedence By: Ben Bacarisse on Mon, 24 February 2014 21:23
		Re: Operator precedence By: Jerry Stuckle on Mon, 24 February 2014 21:45
		Re: Operator precedence By: Ben Bacarisse on Tue, 25 February 2014 04:32
		Re: Operator precedence By: Jerry Stuckle on Tue, 25 February 2014 04:47
		Re: Operator precedence By: Ben Bacarisse on Tue, 25 February 2014 16:56
		Re: Operator precedence By: Jerry Stuckle on Tue, 25 February 2014 18:59
		Re: Operator precedence By: Christoph Michael Bec on Tue, 25 February 2014 19:19
		Re: Operator precedence By: Thomas 'PointedEars' on Tue, 25 February 2014 19:43
		Re: Operator precedence By: Jerry Stuckle on Tue, 25 February 2014 21:02
		Re: Operator precedence By: Jerry Stuckle on Tue, 25 February 2014 21:01
		Object constructors/destructors (was: Operator precedence) By: Christoph Michael Bec on Tue, 25 February 2014 21:19
		Re: Object constructors/destructors By: Jerry Stuckle on Tue, 25 February 2014 21:32
		Re: Object constructors/destructors By: Christoph Michael Bec on Tue, 25 February 2014 21:55
		Re: Object constructors/destructors By: Jerry Stuckle on Tue, 25 February 2014 22:01
		Re: Object constructors/destructors By: Adam Harvey on Tue, 25 February 2014 23:22
		Re: Object constructors/destructors By: Jerry Stuckle on Wed, 26 February 2014 02:10
		Re: Object constructors/destructors By: Christoph Michael Bec on Wed, 26 February 2014 20:10
		Re: Object constructors/destructors By: Jerry Stuckle on Wed, 26 February 2014 21:01
		Re: Object constructors/destructors By: Christoph Michael Bec on Wed, 26 February 2014 21:59
		Re: Object constructors/destructors By: Jerry Stuckle on Wed, 26 February 2014 22:19
		Re: Object constructors/destructors By: Christoph Michael Bec on Wed, 26 February 2014 22:39
		Re: Object constructors/destructors By: Jerry Stuckle on Thu, 27 February 2014 03:30
		Re: Object constructors/destructors By: Christoph Michael Bec on Thu, 27 February 2014 17:28
		Re: Object constructors/destructors By: Jerry Stuckle on Thu, 27 February 2014 21:09
		Re: Object constructors/destructors By: Christoph Michael Bec on Fri, 28 February 2014 13:52
		Re: Object constructors/destructors By: Jerry Stuckle on Fri, 28 February 2014 14:08
		Re: Object constructors/destructors By: Christoph Michael Bec on Fri, 28 February 2014 15:52
		Re: Object constructors/destructors By: Jerry Stuckle on Fri, 28 February 2014 16:03
		Re: Object constructors/destructors By: Thomas 'PointedEars' on Thu, 27 February 2014 00:00
		Re: Object constructors/destructors By: Jerry Stuckle on Thu, 27 February 2014 03:39
		Re: Object constructors/destructors By: Thomas 'PointedEars' on Thu, 27 February 2014 17:29
		Re: Object constructors/destructors By: Jerry Stuckle on Thu, 27 February 2014 21:14
		Re: Object constructors/destructors By: Christoph Michael Bec on Tue, 25 February 2014 23:18
		Re: Object constructors/destructors By: Jerry Stuckle on Wed, 26 February 2014 02:08
		Re: Object constructors/destructors By: Richard Damon on Wed, 26 February 2014 12:50
		Re: Object constructors/destructors By: Jerry Stuckle on Wed, 26 February 2014 13:44
		Re: Object constructors/destructors By: Richard Damon on Thu, 27 February 2014 04:49
		Re: Object constructors/destructors By: Jerry Stuckle on Thu, 27 February 2014 13:25
		Re: Object constructors/destructors By: Richard Damon on Sat, 01 March 2014 17:56
		Re: Object constructors/destructors By: Jerry Stuckle on Sat, 01 March 2014 19:22
		Re: Object constructors/destructors By: Richard Damon on Sun, 02 March 2014 19:28
		Re: Object constructors/destructors By: Jerry Stuckle on Sun, 02 March 2014 20:42
		Re: Object constructors/destructors By: Richard Damon on Sun, 02 March 2014 22:14
		Re: Object constructors/destructors By: Jerry Stuckle on Sun, 02 March 2014 22:48
		Re: Object constructors/destructors By: Tim Streater on Sun, 02 March 2014 23:05
		Re: Operator precedence By: Ben Bacarisse on Tue, 25 February 2014 21:08
		Re: Operator precedence By: Christoph Michael Bec on Tue, 25 February 2014 21:29
		Re: Operator precedence By: Ben Bacarisse on Tue, 25 February 2014 23:15
		Re: Operator precedence By: Richard Damon on Tue, 25 February 2014 03:41
		Re: Operator precedence By: Jerry Stuckle on Tue, 25 February 2014 04:59
		Re: Operator precedence By: Richard Damon on Sat, 01 March 2014 18:39
		Re: Operator precedence By: Jerry Stuckle on Sat, 01 March 2014 19:29
		Re: Operator precedence By: Richard Damon on Sun, 02 March 2014 20:22
		Re: Operator precedence By: Jerry Stuckle on Sun, 02 March 2014 20:49
		Re: Operator precedence By: Christoph Michael Bec on Tue, 25 February 2014 18:15
		Re: Operator precedence By: Ben Bacarisse on Sun, 23 February 2014 20:56
		Re: Operator precedence By: Christoph Michael Bec on Mon, 24 February 2014 13:28

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