db

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<?php
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\spl_autoload_register(static function ($class) {
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    $class = \ltrim($class, '\\');
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    $dir = __DIR__ . '/src';
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    $namespace = 'Upside\Database';
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    if (\str_starts_with($class, $namespace)) {
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        $class = \substr($class, \strlen($namespace));
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        $path = '';
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        if (($pos = \strrpos($class, '\\')) !== false) {
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            $path = \str_replace('\\', '/', \substr($class, 0, $pos)) . '/';
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            $class = \substr($class, $pos + 1);
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        }
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        $path .= \str_replace('_', '/', $class) . '.php';
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        $dir .= '/' . $path;
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        if (\file_exists($dir)) {
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            include $dir;
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            return true;
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        }
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        return false;
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    }
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    return false;
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});
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