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How we load all classes that placed in different directory in one PHP File , means how to do auto load classes

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How we load all classes that placed in different directory in one PHP File , means how to do auto load classes
posted Dec 29, 2014 by Rahul Singh

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1 Answer

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You should name your classes so the underscore (_) translates to the directory separator (/). A few PHP frameworks do this, such as Zend and Kohana.

So, you name your class Model_Article and place the file in classes/model/article.php and then your autoload does...

function __autoload($class_name) 
    $filename = str_replace('_', DIRECTORY_SEPARATOR, strtolower($class_name)).'.php';

    $file = AP_SITE.$filename;

    if ( ! file_exists($file))
        return FALSE;
    include $file;

Also note you can use spl_autoload_register() to make any function an autoloading function. It is also more flexible, allowing you to define multiple autoload type functions.

If there must be multiple autoload functions, spl_autoload_register() allows for this. It effectively creates a queue of autoload functions, and runs through each of them in the order they are defined. By contrast, __autoload() may only be defined once.

answer Jan 10, 2015 by Vrije Mani Upadhyay
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