Reply to Re: [PHP] PHP 5 && OO && performance && exceptions

Your name:

Reply:


Posted by cron on 11/11/05 16:55

Some more thought.



To solve this problem would be necessary to create some utility class like
System in java and that way should be possible to do a System::echo($string)
based on type, i guess this can be accomplished using overloading.



Am I making any sense?



----- Original Message -----
From: <cron@odi.com.br>
To: <php-general@lists.php.net>
Sent: Thursday, November 10, 2005 6:47 PM
Subject: Re: [PHP] PHP 5 && OO && performance && exceptions


> I was not considering that, I was using $obj_string->getValue(), the
> __toString method and type casting could save me some keystrokes :)
>
>
>
> Anyway, did you abandon the development with the basic types class?
>
>
>
> Angelo
>
>
>
> ----- Original Message -----
> From: "Jake Gardner" <gardner.jake@gmail.com>
> To: <cron@odi.com.br>
> Sent: Wednesday, November 09, 2005 1:37 PM
> Subject: Re: [PHP] PHP 5 && OO && performance && exceptions
>
>
> I myself was considering creating classes such as String, but I ran
> into more basic problems before performance, for example:
>
> class String {
> protected $Value;
> function __construct($Value) {
> $this->Value = $Value;
> }
> }
> $SomeString = new String("Hello World!");
> Print($SomeString); // Does not print "Hello World!"
>
> The way around this was still unsatisfactory:
> class String {
> protected $Value;
> function __construct($Value) {
> $this-> Value = $Value;
> }
> function __toString() {
> return $this->Value;
> }
> }
> $SomeString = new String("Hello World!");
> Print($SomeString); // Prints "Hello World!"
>
> Because this has obvious limitations, and is only a fix for strings;
> this doesnt work for functions that expect integer values.
>
> In reality, there really is no way to use PHP to rewrite a type in PHP
> without using the PHP "omni-type".
>
> However, you can use type casting as it is:
>
>
http://us2.php.net/manual/en/language.types.type-juggling.php#language.types.typecasting
>
> http://us2.php.net/manual/en/function.settype.php
>
>
> On 11/9/05, cron@odi.com.br <cron@odi.com.br> wrote:
> > Hello,
> >
> >
> >
> > Currently I'm make some utilities classes and I took the idea from java
to
> > make some wrappers class like String, Integer and so on. This allows me
to
> > use the type hint for basic types in php. Anyone have a clue if
replacing
> > the all in one type in php for objects types will degrade the
performance?
> >
> >
> >
> > Also for every controller class that I'm making I'm also making
exceptions
> > class of every error that it can generate. Same questions: It will
> > degrade performance to throw an exception instead of lest say a pear
error
> > or return false?
> >
> >
> >
> > Just for know, I'm doing this because I believe that it will eliminate
> > some o problems o development and will eliminate some basic validations.
> >
> >
> >
> >
> >
> > Any tips appreciate
> >
> >
> >
> > Angelo
> >
> >
> >
> >
> >
>
> --
> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>

[Back to original message]


Удаленная работа для программистов  •  Как заработать на Google AdSense  •  England, UK  •  статьи на английском  •  PHP MySQL CMS Apache Oscommerce  •  Online Business Knowledge Base  •  DVD MP3 AVI MP4 players codecs conversion help
Home  •  Search  •  Site Map  •  Set as Homepage  •  Add to Favourites

Copyright © 2005-2006 Powered by Custom PHP Programming

Сайт изготовлен в Студии Валентина Петручека
изготовление и поддержка веб-сайтов, разработка программного обеспечения, поисковая оптимизация