WP_Query::is_tag( mixed $tag = '' )

Is the query for an existing tag archive page?


Description

If the $tag parameter is specified, this function will additionally check if the query is for one of the tags specified.


Parameters

$tag

(mixed) (Optional) Tag ID, name, slug, or array of Tag IDs, names, and slugs.

Default value: ''


Return

(bool)


Source

File: wp-includes/class-wp-query.php

	public function is_tag( $tag = '' ) {
		if ( ! $this->is_tag )
			return false;

		if ( empty( $tag ) )
			return true;

		$tag_obj = $this->get_queried_object();

		$tag = array_map( 'strval', (array) $tag );

		if ( in_array( (string) $tag_obj->term_id, $tag ) )
			return true;
		elseif ( in_array( $tag_obj->name, $tag ) )
			return true;
		elseif ( in_array( $tag_obj->slug, $tag ) )
			return true;

		return false;
	}


Changelog

Changelog
Version Description
WP-3.1.0 Introduced.