To answer both of you:
$var = new stdClass();
is perfectly acceptable. I do it all the time. The caveat is that the
behavior is slightly different in PHP 4 than PHP 5.
In PHP 4, $var would behave exactly like an associative array, just with
different funky characters to access its properties. Internally, in fact,
they're represented the same.
In PHP 5, $var would behave exactly like an associative array, EXCEPT when
passing it as a parameter to a function. In PHP 4, objects pass by value by
default. In PHP 5, they pass by reference by default.
Also, yes, casting an object to an array or vice versa is much faster than
manually iterating it. So:
$var = (object)array('a'=>'foo', 'b'=>'bar', 'c'=>'baz');
Is perfectly acceptable. I've never tried casting to some other type of
class, though. Give it a try and let us know how it goes. :-)
On Wednesday 14 June 2006 13:26, D. Dante Lorenso wrote:
> Mariano Guadagnini wrote:
> > Hi list,
> > I hace an existencial doubt: i've seem many scripts declaring classes
> > as stdClass. In the documentation (for PHP5 and also for 4), it says
> > that this class is internal of php, and should't be used. By the
> > manner I saw it's being used, i guess that it can be handy to create a
> > 'generic' or so class, and append members when needed on the fly,
> > without the need for a formal class declaration, but i could't find
> > any good source explaining that. Has somebody some info about?
>
> Also, along the lines of this same question, I can do this in PHP very
> easily:
>
> <?php
> $data = array('apple' => 'red', 'banana' => 'yellow', 'plum' =>
> 'purple');
> $data = (object) $data;
> print_r($data);
> ?>
>
> And my object is magically created for me as an instance of stdClass.
> Is there a way to cast as some other type of class?
>
> <?php
> $data = array('apple' => 'red', 'banana' => 'yellow', 'plum' =>
> 'purple');
> $data = (MyCustomClass) $data;
> print_r($data);
> ?>
>
> I ask this because the cast in my first example, the (object) cast is
> WAY faster than using the manual approach of:
>
> <?php
> $data = array('apple' => 'red', 'banana' => 'yellow', 'plum' =>
> 'purple');
> $MYCLASS = new MyCustomClass();
> foreach ($data as $key => $value)
> $MYCLASS->$key = $value;
> }
> ?>
>
> Dante
--
Larry Garfield AIM: LOLG42
larry@xxxxxxxxxxxxxxxx ICQ: 6817012
"If nature has made any one thing less susceptible than all others of
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which an individual may exclusively possess as long as he keeps it to
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of every one, and the receiver cannot dispossess himself of it." -- Thomas
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