在JS警报中显示PHP变量

Question

我想提醒消息，但它不能与我的字符串一起工作。

echo "<script>alert('$lang['ALERT']'); 
window.location.href ='index.php'; 
</script>"; 

不工作...帮助

Answer 1

你混的报价。保持简单，

echo "<script>alert('".$lang['ALERT']."'); 
     window.location.href ='index.php'; 
     </script>"; 

Answer 2

试试吧。

<script> 
var alertMsg = "<?php echo $lang['ALERT'] ?>"; 
alert(alertMsg); 
window.location.href ='index.php'; 
</script>; 

Answer 3

你没有正确引用您的变量

<?php 
$lang['ALERT'] = 'mystring'; 
echo "<script>alert('".$lang['ALERT']."');window.location.href ='index.php';</script>"; 
?> 

Here's the eval

Answer 4

试试这个

<script> 
    alert(<?=$lang['ALERT']; ?>); 
    window.location.href ='index.php'; 
</script> 

Answer 5

报价是问题

<?php $alert=$lang['ALERT'];?> 

    <script> 
    alert('<?php echo $alert?>'); 
    window.location.href ='index.php'; 
    </script>;