$_POST['adddata']能有结果,$_POST['adddata']+1也正确,但和日期相加就不对了，请帮忙

Question

从表单post提交到a.php处理结果：echo $_POST['adddata']能获取值为182 这是正常的，echo $_POST['adddata']+1结果为183也对echo $indate=date("Y/m/d",strtotime("+182  day"))也能算出正确的时间可 echo $indate=date("Y/m/d",strtotime("+$_POST['adddata']  day"))页面就空白了，出错，请问这是为何呢？

Answer 1

//look down , that will work.echo $indate=date("Y/m/d",strtotime('+'.$_POST['adddata'].' day'));

Answer 2

echo $indate=date("Y/m/d",strtotime('+'.$_POST['adddata'].' day'));

Answer 3

<?echo $indate=date("Y/m/d",strtotime("+$_POST['adddata']  day")) 
?>还是出错接收页面空白

Answer 4

I'm sorry ,you are right! Thank you very much !