base_path

Return the base URL path (i.e., directory) of the Drupal installation.

base_path() prefixes and suffixes a "/" onto the returned path if the path is not empty. At the very least, this will return "/".

Examples:

drupal_add_js in includes/common.inc: Add a JavaScript file, setting or inline code to the page.
drupal_build_css_cache in includes/common.inc: Aggregate and optimize CSS files, putting them in the files directory.
file_icon_url in modules/file/file.module: Given a file object, create a URL to a matching icon.
search_index in modules/search/search.module: Update the full-text search index for a particular item.
system_requirements in modules/system/system.install: Test and report Drupal installation requirements.
template_preprocess_maintenance_page in includes/theme.inc: The variables generated here is a mirror of template_preprocess_page(). This preprocessor will run it's course when theme_maintenance_page() is invoked. It is also used in theme_install_page() and theme_update_page() to keep all the variables...
template_preprocess_page in includes/theme.inc: Preprocess variables for page.tpl.php
url in includes/common.inc: Generate a URL.

includes/common.inc, line 3023

<?php
function base_path() {
  return $GLOBALS['base_path'];
}
?>

Search Drupal 7