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Re: out of sheer curiosity... [message #177539 is a reply to message #177439] Sun, 08 April 2012 20:50 Go to previous messageGo to previous message
M. Strobel is currently offline  M. Strobel
Messages: 386
Registered: December 2011
Karma:
Senior Member
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.

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