_wp_filter_taxonomy_base()

_wp_filter_taxonomy_base( string $base ): string

function _wp_filter_taxonomy_base( $base ) {
	if ( ! empty( $base ) ) {
		$base = preg_replace( '|^/index\.php/|', '', $base );
		$base = trim( $base, '/' );
	}
	return $base;
}