WP_Theme::get_template_directory_uri()

Returns the URL to the directory of a theme’s “template” files.

Description

In the case of a child theme, this is the URL to the directory of the parent theme’s files.

Return

(string) URL to the template directory.

Source

File: wp-includes/class-wp-theme.php 

public function get_template_directory_uri() {
		if ( $this->parent() ) {
			$theme_root_uri = $this->parent()->get_theme_root_uri();
		} else {
			$theme_root_uri = $this->get_theme_root_uri();
		}

		return $theme_root_uri . '/' . str_replace( '%2F', '/', rawurlencode( $this->template ) );
	}

Changelog

Version Description
3.4.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_theme/get_template_directory_uri