Procedural File: Autoloader.php

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The second time it will run as fast as light.

The simplest and probably most common usecase shows this example:

index.php

1.  <?php
2.  require dirname(__FILE__) . "/autoloader/Autoloader.php";
3.  $myObject = new MyClass();

classes/MyClass.php

1.  <?php
2.  class MyClass extends MyParentClass { }

classes/MyParentClass.php

1.  <?php
2.  class MyParentClass { }

As you can see it's only necessary to require this file once. If this is done in the document root of your classes (index.php in this case) the Autoloader is already configured. After requiring this file you don't have to worry where your classes reside.

If you have the possibility to enable PHP's tokenizer you should do this. Otherwise the Autoloader has to use a Parser based on PCRE which is not as reliable as PHP's tokenizer.

The Autoloader assumes that a class name is unique. If you have classes with equal names the behaviour is undefined.

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