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Re: out of sheer curiosity... [message #177544 is a reply to message #177540] Sun, 08 April 2012 22:39 Go to previous messageGo to previous message
M. Strobel is currently offline  M. Strobel
Messages: 386
Registered: December 2011
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Am 08.04.2012 23:15, schrieb Jerry Stuckle:
> On 4/8/2012 4:50 PM, M. Strobel wrote:
>> Am 29.03.2012 22:11, schrieb Jerry Stuckle:
>>> On 3/29/2012 10:21 AM, Erwin Moller wrote:
>>>> On 3/29/2012 3:39 PM, Jerry Stuckle wrote:
>>>> > On 3/29/2012 8:33 AM, Erwin Moller wrote:
>>>> >> On 3/29/2012 12:46 PM, The Natural Philosopher wrote:
>>>>
>>>> <snip>
>>>>
>>>> >>> Its just another way of doing things and I let my understanding of the
>>>> >>> problem guide me, not a set of arbitrary rules.
>>>> >>
>>>> >> As it should!
>>>> >>
>>>> >> But what 'rules' are you referring to?
>>>> >>
>>>> >> PHP's OO is pretty straightforward.
>>>> >> I think they did a decent job implementing OO.(php 5 that is)
>>>> >>
>>>> >> Creating smart classes is up to the programmer.
>>>> >> I am not aware of any extra 'rules'.
>>>> >>
>>>> >> Are you maybe referring to all kinds of design patterns scattered around
>>>> >> the web?
>>>> >> (In which case I tend to agree, because implementing other people's
>>>> >> solutions can take the fun out of programming. But reading them never
>>>> >> hurts. And when you agree to a certain approach you can even decide to
>>>> >> follow it yourself. It is all up to you, the programmer.)
>>>> >>
>>>> >
>>>> > Any rules TNP doesn't bother to understand are "arbitrary" in his mind.
>>>> > He doesn't even like having to follow PHP syntax rules - as he has also
>>>> > said in the past.
>>>> >
>>>> > But I disagree that PHP 5's implementation of OO is decent. I think it's
>>>> > half-assed at best. Truly written by people who have no understanding of
>>>> > OO. But then that can be said of a lot of PHP.
>>>> >
>>>>
>>>> Jerry,
>>>>
>>>> What are your main objections to the PHP5's OO approach?
>>>>
>>>> For myself: I must say I love its simplicity.
>>>> (Simplicity is a Good Thing in my opinion.)
>>>>
>>>>
>>>
>>> Well, to start with, the lack of function overloading. It is quite a good feature to
>>> be able to overload functions - especially constructors. And because of that, you
>>> have to run through all kinds of hoops when doing things like storing an object in
>>> the $_SESSION.
>>>
>>> Even then it doesn't work. When you store an object in the $_SESSION, the object's
>>> destructor is called at the end of the script, but on the next script the constructor
>>> is never called. A direct violation of OO principles.
>>
>> Works fine here. Test script:
>> #!/usr/local/bin/php
>> <?php
>>
>> class C1 {
>> public $var1 = 'M.';
>> public $var2 = 'Strobel';
>> function __construct() {
>> echo "\t--> call ". __METHOD__.PHP_EOL;
>> }
>> function __destruct() {
>> echo "\t--> call ". __METHOD__.PHP_EOL;
>> }
>> function __sleep() {
>> echo "\t--> call ". __METHOD__.PHP_EOL;
>> return array('var1','var2');
>> }
>> function __wakeup() {
>> echo "\t--> call ". __METHOD__.PHP_EOL;
>> }
>> } // end class C1
>>
>> echo "----- creating class\n";
>> $c = new C1;
>> echo "----- serializing class\n";
>> $ser = serialize($c);
>> echo "----- deserializing class\n";
>> $cc = unserialize($ser);
>> echo "----- deleting first class\n";
>> unset($c);
>> echo "----- deleting unserialized class\n";
>> unset($cc);
>> exit(0);
>> #-----------------------
>>
>> Result:
>> strobel@s114-intel:~/projekte/PHP> ./magicmethods.php
>> ----- creating class
>> --> call C1::__construct
>> ----- serializing class
>> --> call C1::__sleep
>> ----- deserializing class
>> --> call C1::__wakeup
>> ----- deleting first class
>> --> call C1::__destruct
>> ----- deleting unserialized class
>> --> call C1::__destruct
>>
>> What exactly did you criticize?
>>
>> /Str.
>
> Look at it again. You have two destructor calls but only one constructor call. A
> direct violation of OO principles.
>
> And BTW - I said nothing about serializing.
>
> You really do need to learn to read.
>

No evasions, get to the point. I have one explicit constructor, and one wakeup which
is a constructor.

What did you talk about if not about serializing?

/Str.

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