您也可以將函式物件作為 LuaSandboxFunction::call() 的引數傳遞
$lua = new LuaSandbox();
$phpLuaFunction = $lua->wrapPhpFunction(function ($arg){
echo "LUA> ".$arg;
});
$lua->loadString("print = ...")->call($phpLuaFunction);
$lua->loadString('
print("print test from lua\\n")
')->call();
結果
LUA> print test from lua