WP_CLI\Utils

basename() │ WP-CLI 1.0

Locale-independent version of basename()

No Hooks.

Returns

String.

Usage

basename( $path, $suffix );
$path(string) (required)
.
$suffix(string)
.
Default: ''

basename() code WP-CLI 2.13.0-alpha

wp-cli/php/utils.php 
function basename( $path, $suffix = '' ) {
	// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.urlencode_urlencode -- Format required by wordpress.org API.
	return urldecode( \basename( str_replace( [ '%2F', '%5C' ], '/', urlencode( $path ) ), $suffix ) );
}