wp_add_post_tags() – Function | Developer.WordPress.org

wp_add_post_tags( int $post_id, string|array $tags = ” ): array|false|WP_Error

Adds tags to a post.

Description

$post_idintoptional: The Post ID. Does not default to the ID of the global $post.
$tagsstring|arrayoptional: An array of tags to set for the post, or a string of tags separated by commas.
Default:''

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

function wp_add_post_tags( $post_id = 0, $tags = '' ) {
	return wp_set_post_tags( $post_id, $tags, true );
}

Uses	Description
wp_set_post_tags()`wp-includes/post.php`	Sets the tags for a post.

Version	Description
2.3.0	Introduced.

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