首页 WordPress函数大全 get_tag()

get_tag()

2020-05-01 / 5082阅 / 悠然

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get_tag( int|WP_Term|object $tag, string $output = OBJECT, string $filter = 'raw' )

Retrieve post tag by tag ID or tag object.

描述

If you pass the $tag parameter an object, which is assumed to be the tag row object retrieved the database. It will cache the tag data.

If you pass $tag an integer of the tag ID, then that tag will be retrieved from the database, if it isn’t already cached, and pass it back.

If you look at get_term(), then both types will be passed through several filters and finally sanitized based>

参数

$tag

(int|WP_Term|object)
(Required)
A tag ID or object.

$output

(string)
(Optional)
The required return type.>WP_Term object, an associative array, or a numeric array, respectively.

Default value: OBJECT

$filter

(string)
(Optional)
Default is raw or no WordPress defined filter will applied.

Default value: 'raw'

返回

(WP_Term|array|WP_Error|null) Tag data in type defined by $output parameter. WP_Error if $tag is empty, null if it does not exist.

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