wordpress插件存放在哪个文件夹目录下

plugins_url()

echo plugins_url();
//输出：https:// .53431.com/wp-content/plugins
echo plugins_url('',__FILE__);
//输出：https:// .53431.com/wp-content/plugins/myplugin
echo plugins_url('js/myscript.js',__FILE__);
//输出：https:// .53431.com/wp-content/plugins/myplugin/js/myscript.js
plugin_dir_url()

echo plugin_dir_url(__FILE__ );
//输出：https:// .53431.com/wp-content/plugins/myplugin/

plugin_dir_path()

echo plugin_dir_path(__FILE__ );
//输出：/home/user/public_html/wp-content/plugins/myplugin/

<?php
define('MYPLUGINNAME_PATH', plugin_dir_path(__FILE__) );
require MYPLUGINNAME_PATH . 'includes/class-metabox.php';
require MYPLUGINNAME_PATH . 'includes/class-widget.php';
?>
plugin_basename()

echo plugin_basename(__FILE__);
//输出：myplugin/myplugin.php

echo plugin_basename(__FILE__);
//输出：myplugin/include/test.php