如何从wordpress中的php文件打印到控制台 [英] How to print to console from a php file in wordpress
问题描述
我有一个 php 文件，它是 wordpress 插件的一部分.我需要调试我们遇到的问题.我想找出变量的值是什么.如何将变量的值打印到控制台?已建议使用 echo 或 chrome 或 firefox 扩展.我无法将 echo 输出到控制台(echo $variablename";)，也没有使用 firefox 的 firephp 扩展.
I have a php file which is part of a wordpress plugin. I need to debug an issue we are having. I want to find out what a variable's value is. How can I print the variable's value to console? echo or chrome or firefox extensions have been suggested. I couldn't get echo to output to console (echo "$variablename";) and neither using the firephp extension for firefox.
推荐答案
如果您正在考虑 javascript 控制台，则无法从 PHP 中执行此操作.
If you are thinking about the javascript console, you can not do this from PHP.
您有几个选项可供选择:
You have a few options you could choose from:
为了快速检查变量值，我将使用 var_dump，它还会显示变量的数据类型.当您请求页面时，这将输出到浏览器.
For a quick check for a variables value I would use var_dump, it will also show you the data type of the variable. This will be output to the browser when you request the page.
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