今天在使用WordPress建站中，使用到了get_the_term_list函数，体会到了实用性及便捷；接下来协典筒为您介绍get_the_term_list函数的使用。
get_the_term_list（$id，$taxonomy，$before=''，$sep=''，$after= ''）
使用方式
echo get_the_term_list（$post->ID，"category"）;
get_the_term_list()位于 /wp-includes/category-template.php 1326行[6.0版本]
/**
* Retrieves a post's terms as a list with specified format.
*
* Terms are linked to their respective term listing pages.
*
* @since 2.5.0
*
* @param int $post_id Post ID.
* @param string $taxonomy Taxonomy name.
* @param string $before Optional. String to use before the terms. Default empty.
* @param string $sep Optional. String to use between the terms. Default empty.
* @param string $after Optional. String to use after the terms. Default empty.
* @return string|false|WP_Error A list of terms on success, false if there are no terms,
* WP_Error on failure.
*/
function get_the_term_list( $post_id, $taxonomy, $before = '', $sep = '', $after = '' ) {$terms = get_the_terms( $post_id, $taxonomy );
if ( is_wp_error( $terms ) ) {return $terms;
}
if ( empty( $terms ) ) {return false;
}
$links = array();
foreach ( $terms as $term ) {$link = get_term_link( $term, $taxonomy );
if ( is_wp_error( $link ) ) {return $link;
}
$links[] = '' . $term->name . '';
}
/**
* Filters the term links for a given taxonomy.
*
* The dynamic portion of the hook name, `$taxonomy`, refers
* to the taxonomy slug.
*
* Possible hook names include:
*
* - `term_links-category`
* - `term_links-post_tag`
* - `term_links-post_format`
*
* @since 2.5.0
*
* @param string[] $links An array of term links.
*/
$term_links = apply_filters( "term_links-{$taxonomy}", $links ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscoresreturn $before . implode( $sep, $term_links ) . $after;
}
