麻烦将javascript变量设置为php输出
[英]trouble setting javascript variable to output of php
问题描述
I'm trying to set a javascript variable to the output of a php script but the JS variable continues to evaluate to the literal output of the PHP snippet. 
我正在尝试将javascript变量设置为php脚本的输出，但是JS变量继续求值为PHP代码段的文字输出。
Even when I do something as simple as this in my .js file: 即使我在.js文件中执行了以下操作，也很简单：
var list = "<?php echo 'foo'?>";
the JS variable comes out as: JS变量显示为：
"<?php echo 'foo'?>"
When I try removing the quotes, I get parsing errors. 当我尝试删除引号时，出现解析错误。
I've seen several examples like the above on various sites, though, so it seems like this should work. 不过，我在各个站点上都看到过类似上面的几个示例，因此看来这应该可行。
2 个解决方案
解决方案1
0 已采纳 2018-05-24 05:34:34
As the comments above pointed out, the solution was to run that snippet of Javascript in a .php file. 正如上面的评论所指出的那样，解决方案是在.php文件中运行该Java代码段。
I just moved that line to the 我刚把那条线移到
<script>
section of my main .php file, and it works. 我的主要.php文件的“部分”，并且可以正常工作。
解决方案2
0 2018-06-26 16:22:49
In order for those php tags to run, they need to be in a file that actually executes php (so a .php file). 为了使这些php标签运行，它们必须位于实际执行php的文件中（因此是一个.php文件）。 Putting that line in a script tag at the top of the head in a php file will solve your problem. 将这一行放在php文件头部顶部的脚本标签中，将解决您的问题。 (Side-note: If you prefer to use html files instead like I do, you can add AddType application/x-httpd-php .html to your .htaccess file in your root directory. This will make php execute html files as well.) （旁注：如果像我一样喜欢使用html文件，则可以将AddType application/x-httpd-php .html到根目录中的.htaccess文件中。这也将使php执行html文件。 ）
<html> <head> <script> var list = "<?php echo 'foo'?>"; </script> ... </head> ... </html>
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