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Re: include_once/__autoload/namespace emulation ...

Posted by Sean on 11/29/05 16:21

Namespaces and PHP are certainly an issue, some of the things you wrote
I have never heard of before, like require_once being bugged.

Pear is a good example of how namespaces should be done but I would
suggest an even simpler solution.

Say you have a folder structure like:

>classes

>>XML
>>>Parser.inc.php
>>>Transformer.inc.php

>>DB
>>>Mysql.inc.php

>>FILE_SYSTEM
>>>File.inc.php

They you should have an auto load function like:

function __autoload( $class )
{
$load = strtolower( str_replace( "_", "/classes/", $class ) ) .
".inc.php";
if( file_exists( $load ) )
{
include_once( $load );
}
else
{
die( "Can't find a file for class: $class \n" );
}
}

Now you can have

$obj = new XML_Parser();

(example adapter from http://www.wiki.cc/php/Overload_autoload).

This makes things allot easier. The drawback is it is not php4
compatible.

 

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