When we are developing a wordpress theme or plugin, we have to get some wordpress path information. such as the absolute path of wordpress theme, plugin, style file or home url. In this tutoral, we will introduce some wordpress path functions to get these path or url information.
About wordpress site
home_url()
It will return the home url of a site. For example:
<?php
$url = home_url();
echo $url;
//output: http://www.example.com
$url = home_url('/linux/');
echo $url;
//output: http://www.example.com/linux/
?>To learn more on home_url(), you can read this tutorial.
Understand WordPress home_url() for Beginngers – WordPress Tutorial
site_url()
This function returns the home url of a wordpress site, which may be not the same to home_url(). For example, if you created a wordpress site in a blog folder. You will see:
$url = site_url(); echo $url; //output：http://www.example.com/blog $url = home_url(); echo $url; //output：http://www.example.com
admin_url()
It returns the wordpress dashboard admin url.
$url = admin_url(); echo $url; //output: http://www.example.com/wp-admin/
content_url()
This function returns the url of wp-content folder.
$url = content_url(); echo $url; //output: http://www.example.com/wp-content
includes_url()
This function returns the url of wp-includes folder.
$url = includes_url(); echo $url; //output: http://www.example.com/wp-includes/ $url = includes_url( '/js/'); echo $url; //output: http://www.example.com/wp-includes/js/
wp_upload_dir()
It returns the url of wordpress uploads folder.
$upload_dir = wp_upload_dir(); echo $upload_dir['baseurl']; //output: http://www.example.com/wp-content/uploads
About wordpress theme path function
get_theme_root_uri()
It returns the url of wordpress themes folder.
<?php echo get_theme_root_uri(); //output: http://www.example.com/wp-content/themes
get_theme_root()
This function returns the absolute path of themes folder in server.
<?php echo get_theme_root(); //output: /home/user/public_html/wp-content/themes ?>
get_stylesheet_directory()
This function returns the absolute path of current wordpress theme in server.
<?php echo get_stylesheet_directory(); //output: /home/user/public_html/wp-content/themes/twentyeleven ?>
get_stylesheet_directory_uri()
This function returns the url of current theme.
<?php echo get_stylesheet_directory_uri(); //output: http://www.example.com/wp-content/themes/twentyeleven ?>
About wordpress plugin path function
plugins_url()
This function returns the url of plugins folder.
<?php echo plugins_url(); //output: http://www.example.com/wp-content/plugins ?>
plugin_dir_url()
This function is same to plugins_url().
<?php echo plugin_dir_url(__FILE__ ); //output: http://www.example.com/wp-content/plugins ?>
plugin_dir_path()
It returns the absolute path of current plugin folder in server.
<?php echo plugin_dir_path(__FILE__ ); //output：/home/user/public_html/wp-content/plugins/myplugin/ ?>