<?php class CallableStringifier { private static $callables = array(); public static function stringify($callable) { $id = count(self::$callables); self::$callables[$id] = $callable; return 'return ' . __CLASS__ . "::call($id, func_get_args());"; } public static function call($id, $args) { return call_user_func_array(self::$callables[$id], $args); } } $func = create_function('$arg1', CallableStringifier::stringify('function() { return $arg1; }')); echo $func(1); // outputs 1
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