Re: PHP 5 && OO && performance && exceptions

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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@xxxxxxxxxx>
To: <php-general@xxxxxxxxxxxxx>
Sent: Thursday, November 10, 2005 6:47 PM
Subject: Re:  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@xxxxxxxxx>
> To: <cron@xxxxxxxxxx>
> Sent: Wednesday, November 09, 2005 1:37 PM
> Subject: Re:  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@xxxxxxxxxx <cron@xxxxxxxxxx> 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
> >
> >
> >
> >
> >
>
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>
>

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