<?php $stack = function ($request) { //middleware1 $request++; $response = (function ($request) {//middleware2 $request++; $response = (function ($request) {//middleware3 $request++; $response = (function ($request) {//middleware4 $request++; $response = (function ($request) {//middleware5 return $request; })($request); $response--; return $response; })($request); $response--; return $response; })($request); $response--; return $response; })($request); $response--; return $response; }; echo $stack(120), "\n"; echo $stack(55), "\n";
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