PHP返回值判断有关问题
PHP返回值判断问题
从一台服务器POST数据到另一台服务器,处理以后我用ECHO 1 返回
但是我接受到以后 用if($results==1)判断不成功,输出$results 确实为1
这种情况应该怎么判断返回值
------解决方案--------------------
if(intval($results)==1)
try it.
------解决方案--------------------
string(7) "??1" 表示你的返回数据包含了 2 个 BOM 头，只有那个 1 是你 “用ECHO 1 返回”的
你可以用 print_r(unpack('H*', $results)); 观察一下
因该是 efbbbfefbbbf30，而 efbbbf 就是 utf-8 编码文件的 BOM 头
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