get_theme_root_uri( string $stylesheet_or_template = ”, string $theme_root = ” )

检索主题目录的URI。
Retrieve URI for themes directory.

目录锚点：#说明#参数#返回#源码

说明（Description）

没有尾随斜杠。

参数（Parameters）

返回（Return）

（string）主题目录URI。

源码（Source）

/**
 * Retrieve URI for themes directory.
 *
 * Does not have trailing slash.
 *
 * @since 1.5.0
 *
 * @global array $wp_theme_directories
 *
 * @param string $stylesheet_or_template Optional. The stylesheet or template name of the theme.
 * 	                                     Default is to leverage the main theme root.
 * @param string $theme_root             Optional. The theme root for which calculations will be based, preventing
 * 	                                     the need for a get_raw_theme_root() call.
 * @return string Themes URI.
 */
function get_theme_root_uri( $stylesheet_or_template = false, $theme_root = false ) {
	global $wp_theme_directories;

	if ( $stylesheet_or_template && ! $theme_root )
		$theme_root = get_raw_theme_root( $stylesheet_or_template );

	if ( $stylesheet_or_template && $theme_root ) {
		if ( in_array( $theme_root, (array) $wp_theme_directories ) ) {
			// Absolute path. Make an educated guess. YMMV -- but note the filter below.
			if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) )
				$theme_root_uri = content_url( str_replace( WP_CONTENT_DIR, '', $theme_root ) );
			elseif ( 0 === strpos( $theme_root, ABSPATH ) )
				$theme_root_uri = site_url( str_replace( ABSPATH, '', $theme_root ) );
			elseif ( 0 === strpos( $theme_root, WP_PLUGIN_DIR ) || 0 === strpos( $theme_root, WPMU_PLUGIN_DIR ) )
				$theme_root_uri = plugins_url( basename( $theme_root ), $theme_root );
			else
				$theme_root_uri = $theme_root;
		} else {
			$theme_root_uri = content_url( $theme_root );
		}
	} else {
		$theme_root_uri = content_url( 'themes' );
	}

	/**
	 * Filter the URI for themes directory.
	 *
	 * @since 1.5.0
	 *
	 * @param string $theme_root_uri         The URI for themes directory.
	 * @param string $siteurl                WordPress web address which is set in General Options.
	 * @param string $stylesheet_or_template Stylesheet or template name of the theme.
	 */
	return apply_filters( 'theme_root_uri', $theme_root_uri, get_option( 'siteurl' ), $stylesheet_or_template );
}