practice_mvc/autoloader.php

<?php

spl_autoload_register(function ($className) {
    include getClassPath($className) . '.php';
});

function getClassPath(string $className): string
{
    $registeredClasses = [
        'App\Controller' => 'Controller',
        'App\Config\DBconnect' => 'config/DBconnect',
        'App\Model\ModelAbstract' => 'model/ModelAbstract',
        'App\Model\Student' => 'model/Student',
        'App\Model\Languages' => 'model/Languages',
        'App\Repository\RepositoryAbstract' => 'repository/RepositoryAbstract',
        'App\Repository\StudentLanguagesRepository' => 'repository/StudentLanguagesRepository',
        'App\Repository\StudentRepository' => 'repository/StudentRepository',
        'App\Repository\LanguagesRepository' => 'repository/LanguagesRepository'
    ];

    return $registeredClasses[$className];
}