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Function Reference/the terms

Displays the terms of a custom taxonomies.

<?php the_terms( $id, $taxonomy, $before, $sep, $after ); ?>

$id: (int) Post ID.
$taxonomy: (string) Taxonomy name.
$before: (string) Text to display before the actual tags are displayed. The default is to display nothing.
$separator: (string) Text or character to display between each tag link. The default is a comma (,) between each tag.
$after: (string) Text to display after the last tag. The default is to display nothing.

(false|wp_error)

or

Displays the terms of a custom taxonomies separated by user defined characters.

get a list of current posts categories:

<?php the_terms( $post->ID, 'category', 'categories: ', ' <span style="color:#000">/</span> ', '' ); ?>

The output of above code will be: categories: TV / Speaker / Monitor

Since: 2.5.0

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