The timeline below displays how wordpress function _wp_upload_dir_baseurl has changed across different WordPress versions. If a version is not listed, refer to the next available version below.
/**
* Returns the base URL of the uploads directory.
* Note: this function will be removed in 4.6.
*
* @ignore
* @since 4.4.0
* @access private
* @deprecated 4.5.0 Use wp_get_upload_dir()
* @see wp_get_upload_dir()
*
* @return string The base URL.
*/
function _wp_upload_dir_baseurl()
{
_deprecated_function(__FUNCTION__, '4.5', 'wp_get_upload_dir()');
$upload_dir = wp_get_upload_dir();
return $upload_dir['baseurl'];
}/**
* Caches and returns the base URL of the uploads directory.
*
* @since 4.4.0
* @access private
*
* @return string The base URL, cached.
*/
function _wp_upload_dir_baseurl()
{
static $baseurl = array();
$blog_id = get_current_blog_id();
if (empty($baseurl[$blog_id])) {
$uploads_dir = wp_upload_dir();
$baseurl[$blog_id] = $uploads_dir['baseurl'];
}
return $baseurl[$blog_id];
}