trailingslashit() │ WP-CLI 1.0

Appends a trailing slash.

Uses: untrailingslashit()
Used By: user_trailingslashit()

No Hooks.

Return

String. String with trailing slash added.

Usage

trailingslashit( $string );
$string(string) (required)
What to add the trailing slash to.

Examples

0

#1 Demo: 

echo trailingslashit( "any (string)//" ); //> any (string)/

echo trailingslashit( "any (string)" ) ); //> any (string)/
0

#2 Examples that you could use the this function for:

To enqueue a style.css file:

wp_enqueue_style( 'main-css', trailingslashit( get_template_directory_uri() ) . 'style.css' );

To include a php file using the require statement:

require trailingslashit( get_template_directory() ) . 'inc/custom-theme-functions.php';

trailingslashit() code WP-CLI 2.8.0-alpha

wp-cli/php/utils.php 
function trailingslashit( $string ) {
	if ( ! is_string( $string ) ) {
		return '/';
	}

	return rtrim( $string, '/\\' ) . '/';
}

Formatting