<?php function by_ref(&$arg) { $arg = 42; } class ModuleHandler { public function invokeAll($hook, $args) { $args_by_ref = array(); foreach ($args as $key => $arg) { $args_by_ref[$key] = &$args[$key]; } call_user_func_array('by_ref', $args_by_ref); } } $moduleHandler = new ModuleHandler(); $moduleHandler->invokeAll('example', array(23)); $x = 25; $array = array(0 => &$x); $moduleHandler->invokeAll('example', $array); var_dump($array);
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