WordPress at a glance

wp_set_post_tags() WP 1.0

Set the tags for a post.

Works based on: wp_set_post_terms()

No Hooks.


Array|false|WP_Error. Array of term taxonomy IDs of affected terms. WP_Error or false on failure.


wp_set_post_tags( $post_id, $tags, $append );
The Post ID. Does not default to the ID of the global $post.
An array of tags to set for the post, or a string of tags separated by commas.
Default: ''
If true, don't delete existing tags, just add on. If false, replace the tags with the new tags.
Default: false


  • See: wp_set_object_terms()


Since 2.3.0 Introduced.

Code of wp_set_post_tags() WP 5.7.2

function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) {
	return wp_set_post_terms( $post_id, $tags, 'post_tag', $append );

From category: For posts

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