如何将换行符转换为\ n [英] How do I convert line breaks to \n

问题描述

我有一个db的返回字符串。

I have a return string from a db.

返回字符串必须用javascript格式化。

The return string must be formatted in javascript.

<?php
    $db = "this is a line
           this is a new line";
?>

我如何将上述内容转换为：

How would I convert the above to:

<?php $db = "this is a line \n this is a new line"; ?>

Javascript：

Javascript:

<script>
    var jdb = <?php echo $db; ?>
</script>

推荐答案

试试这个（2014-11-08更新）：

Try this (updated 2014-11-08):

<?php

   $db = "this is a line
          this is a new line
          ";

?>
<script type="text/javascript">
  var jdb = <?php echo json_encode($db) ?>;
</script>

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