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run code in 300+ PHP versions simultaneously
<?php class Testme { public static function foo(&$ref) { $ref = 1; } } class Invoker { public static function invoke($func_name, &$args) { call_user_func_array(array('Testme', $func_name), $args); } } $test = 2; $args = array(&$test); Invoker::invoke('foo', $args); var_dump($test);

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37.33 ms | 402 KiB | 5 Q