用strlen检查字符串长度

Question

我有这个代码，我希望它检查长度是否不 32或40.下面的代码只检查单词的长度是32还是40。

<?
$name = mysql_real_escape_string($_POST['dgt']);
$len = strlen($name);
if (!($len == "32" or $len == "40")){
print "This is not a name.";
} else {
echo 'This is a name';
?>

Answer 1

if ($len != 32 && $len != 40)

尝试出来

Answer 2

怎么样？

if($len != 32 and $len != 40)

Answer 3

<?php
$name = mysql_real_escape_string($_POST['dgt']);
$len = strlen($name);
if ($len != 32 && $len != 40){
print "This is not a name.";
} else {
echo 'This is a name';
?>