<?php
var_dump(http_response_code());
var_dump(http_response_code(0));
var_dump(http_response_code());
var_dump(http_response_code(-1));
var_dump(http_response_code());
var_dump(http_response_code(295));
var_dump(http_response_code());
var_dump(http_response_code(0));
var_dump(http_response_code());
var_dump(http_response_code(404));
var_dump(http_response_code());
