WordPress函数wp_get_post_tags()用法 获取文章的标签Tags信息

描述：

获取文章的标签Tags信息

用法：

<?php wp_get_post_tags( $post_id, $args ) ?>

参数：

$post_id

(integer) (可选) The Post ID.

默认值: 0

$args

(array) (可选) Overwrite the defaults. See wp_get_object_terms() for a list of valid options that can be passed.

默认值: array

示例：

$t = wp_get_post_tags($post->ID);
print_r($t);

返回值：

Array
(
[0] => stdClass Object
(
[term_id] => 4
[name] => tag2
[slug] => tag2
[term_group] => 0
[term_taxonomy_id] => 4
[taxonomy] => post_tag
[description] =>
[parent] => 0
[count] => 7
)

[1] => stdClass Object
(
[term_id] => 7
[name] => tag5
[slug] => tag5
[term_group] => 0
[term_taxonomy_id] => 7
[taxonomy] => post_tag
[description] =>
[parent] => 0
[count] => 6
)

[2] => stdClass Object
(
[term_id] => 16
[name] => tag6
[slug] => tag6
[term_group] => 0
[term_taxonomy_id] => 16
[taxonomy] => post_tag
[description] =>
[parent] => 0
[count] => 2
)

)

源文件：

/**
* Retrieve the tags for a post.
*
* There is only one default for this function, called 'fields' and by default
* is set to 'all'. There are other defaults that can be overridden in
* {@link wp_get_object_terms()}.
*
* @since 2.3.0
*
* @param int $post_id Optional. The Post ID. Does not default to the ID of the
* global $post. Defualt 0.
* @param array $args Optional. Overwrite the defaults
* @return array List of post tags.
*/
function wp_get_post_tags( $post_id = 0, $args = array() ) {
return wp_get_post_terms( $post_id, 'post_tag', $args);
}