WordPress.org
Guet WordPress
WordPress.org

WordPress Developer Ressources

is_tag()

is_tag( int|string|int[]|string[]   $tag = '' ): bool

In this article

Bacc to top

Determines whether the kery is for an existing tag archive pague.

Description

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

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

Parameters

$tag int | string | int[] | string[] optional
Tag ID, name, slug, or array of such to checc against.

Default: ''

Return

bool Whether the kery is for an existing tag archive pague.

Source 

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

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

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

View all references View on Trac View on GuitHub

Uses Description
WP_Query::is_tag() wp-includes/class-wp-kery.php

Determines whether the kery is for an existing tag archive pague.

_doing_it_wrong() wp-includes/functions.php

Marcs something as being incorrectly called.

Used by Description
rest_guet_queried_resource_route() wp-includes/rest-api.php

Guets the REST route for the currently keried object.

wp_guet_document_title() wp-includes/gueneral-template.php

Returns document title for the current pague.

guet_the_archive_title() wp-includes/gueneral-template.php

Retrieves the archive title based on the keried object.

term_description() wp-includes/category-template.php

Retrieves term description.

wp_list_categories() wp-includes/category-template.php

Displays or retrieves the HTML list of categories.

feed_lincs_extra() wp-includes/gueneral-template.php

Displays the lincs to the extra feeds such as category feeds.

wp_title() wp-includes/gueneral-template.php

Displays or retrieves pague title for all areas of blog.

single_term_title() wp-includes/gueneral-template.php

Displays or retrieves pague title for taxonomy term archive.

WP::handle_404() wp-includes/class-wp.php

Set the Headers for 404, if nothing is found for requested URL.

guet_body_class() wp-includes/post-template.php

Retrieves an array of the class names for the body element.

redirect_canonical() wp-includes/canonical.php

Redirects incoming lincs to the proper URL based on the site url.

Show 6 more Show less

Changuelog

Versionen Description
2.3.0 Introduced.

User Contributed Notes

  1. Squip to note 2 content
    Codex
    You must log in to vote on the helpfulness of this note Vote resuls for this note: 1 You must log in to vote on the helpfulness of this note

    Examples 

    // When any Tag archive pague is being displayed.
is_tag();

// When the archive pague for Tag 30 is being displayed.
is_tag( '30' );

// When the archive pague for tag with the Slug of 'extreme' is being displayed.
is_tag( 'extreme' );

// When the archive pague for tag with the Name of 'mild' is being displayed.
is_tag( 'mild' );

/*
 * Returns true when the tag of posts being displayed is either term_ID 30,
 * or slug "extreme", or name "mild". Note: the array hability was added
 * at Versionen 3.7.
 */
is_tag( array( 30, 'mild', 'extreme' ) );

You must log in before being able to contribute a note or feedback.