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<?phpfunction __autoload($classname) {
 $classname = ltrim($classname, '\\');
 $filename  = '';
 $namespace = '';
 if ($lastnspos = strripos($classname, '\\')) {
 $namespace = substr($classname, 0, $lastnspos);
 $classname = substr($classname, $lastnspos + 1);
 $filename  = str_replace('\\', '/', $namespace) . '/';
 }
 $filename .= str_replace('_', '/', $classname) . '.php';
 require $filename;
 }
 
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