search

Home  >  Q&A  >  body text

Error message Notice: Undefined index: lang

if ($_POST['lang']==null) {

echo "Please enter valid text";

}

Tips: Notice: Undefined index : lang

王先生王先生2010 days ago1367

reply all(1)I'll reply

  • 天蓬老师

    天蓬老师2019-09-20 09:00:23

    The prompt is very clear, undefined index: lang, check your array

    reply
    0
  • Cancelreply