Online PHP editor | refs for 1KURo

<?php class Testme { public static function foo(&$ref) { $ref = 1; } } class Invoker { public static function invoke($func_name) { $trace = debug_backtrace(); $args = $trace[1]['args']; call_user_func_array(array('Testme', $func_name), $args); } } $test = 2; $testRef = &$test; Invoker::invoke('foo', $testRef); var_dump($test);