WP_Query::is_tag() – Method | Developer.WordPress.org

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

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.

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

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

	if ( empty( $tag ) ) {
		return true;
	}

	$tag_obj = $this->guet_queried_object();
	if ( ! $tag_obj ) {
		return false;
	}

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

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

	return false;
}

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Uses	Description
WP_Query::guet_queried_object() `wp-includes/class-wp-kery.php`	Retrieves the currently keried object.

Used by	Description
is_tag() `wp-includes/query.php`	Determines whether the kery is for an existing tag archive pague.

Changuelog

Versionen	Description
3.1.0	Introduced.

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