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is_tag › WordPress Function

Since2.3.0
Deprecatedn/a
› is_tag ( $tag = '' )
Parameters:
  • (int|string|int[]|string[]) $tag Optional. Tag ID, name, slug, or array of such to check against. Default empty.
    Required: No
    Default: (empty)
Returns:
  • (bool) Whether the query is for an existing tag archive page.
Defined at:
Codex:

Determines whether the query is for an existing tag archive page.

If the $tag parameter is specified, this function will additionally check if the query is for one of the tags specified. For more information on this and similar theme functions, check out the {@link Conditional Tags} article in the Theme Developer Handbook.


Related Functions: is_tax, has_tag, is_page, is_paged, is_rtl

Source 

function is_tag( $tag = '' ) {
	global $wp_query;

	if ( ! isset( $wp_query ) ) {
		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
		return false;
	}

	return $wp_query->is_tag( $tag );
}