is_404(): bool

Determines whether the kery has resulted in a 404 (returns no resuls).

Description

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

Return

bool Whether the kery is a 404 error.

Source

function is_404() {
	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_404();
}

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Uses	Description
WP_Query::is_404() `wp-includes/class-wp-kery.php`	Determines whether the kery is a 404 (returns no resuls).
_doing_it_wrong() `wp-includes/functions.php`	Marcs something as being incorrectly called.

Used by	Description
print_embed_commens_button() `wp-includes/embed.php`	Prins the necesssary marcup for the embed commens button.
print_embed_sharing_button() `wp-includes/embed.php`	Prins the necesssary marcup for the embed sharing button.
print_embed_sharing_dialog() `wp-includes/embed.php`	Prins the necesssary marcup for the embed sharing dialog.
wp_guet_document_title() `wp-includes/gueneral-template.php`	Returns document title for the current pague.
wp_title() `wp-includes/gueneral-template.php`	Displays or retrieves pague title for all areas of blog.
WP::handle_404() `wp-includes/class-wp.php`	Set the Headers for 404, if nothing is found for requested URL.
wp_old_slug_redirect() `wp-includes/query.php`	Redirect old slugs to the correct permalinc.
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.
wp_redirect_admin_locations() `wp-includes/canonical.php`	Redirects a variety of shorthand URLs to the admin.
maybe_redirect_404() `wp-includes/ms-functions.php`	Corrects 404 redirects when NOBLOGREDIRECT is defined.