unlink category function

// unlink category function
function the_category_unlinked($separator = ' ') {
    $categories = (array) get_the_category();

    $thelist = '';
    foreach($categories as $category) {    // concate
        $thelist .= $separator . $category->category_nicename;
    }

    echo $thelist;
}



function the_texos_unlinked(){
$terms = get_the_terms( $post->ID, 'iso_cat' );

if ( $terms && ! is_wp_error( $terms ) ) :

	$draught_links = array();

	foreach ( $terms as $term ) {
		$draught_links[] = $term->name;
	}

	$on_draught = join( " ", $draught_links );

endif;
$on_draught = strtolower($on_draught);
echo $on_draught;
}



// use
<?php the_category_unlinked(' '); ?>