WordPress at a glance

has_tag() WP 1.0

Check if the current post has any of given tags.

The given tags are checked against the post's tags' term_ids, names and slugs. Tags given as integers will only be checked against the post's tags' term_ids. If no tags are given, determines if post has any tags.

Prior to v2.7 of WordPress, tags given as integers would also be checked against the post's tags' names and slugs (in addition to term_ids) Prior to v2.7, this function could only be used in the WordPress Loop. As of 2.7, the function can be used anywhere if it is provided a post ID or post object.

For more information on this and similar theme functions, check out the Conditional Tags article in the Theme Developer Handbook.

Works based on: has_term()
✈ 1 time = 0.001853s = very slow | 50000 times = 96.58s = very slow

No Hooks.

Return

true/false. True if the current post has any of the given tags (or any tag, if no tag specified).

Usage

has_tag( $tag, $post );
$tag(string/int/array)
The tag name/term_id/slug or array of them to check for.
Default: ''
$post(int/object)
Post to check instead of the current post. (since 2.7.0)
Default: null

Code of has_tag: wp-includes/category-template.php VER 5.0

<?php
function has_tag( $tag = '', $post = null ) {
	return has_term( $tag, 'post_tag', $post );
}

Related Functions

From tag: Conditional tags (all)

More from category: For posts

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