is_author()WP 1.5.0

Is the query for an existing author archive page?

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

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

No Hooks.

Return

true|false. Whether the query is for an existing author archive page.

Usage

is_author( $author );
$author(int|string|int[]|string[])
User ID, nickname, nicename, or array of such to check against.
Default: ''

Examples

0

#1 Various examples of how to use the function:

// When any author's page is displayed
is_author();

// When the page of an author whose ID is 4 is displayed
is_author('4');

// When the page of the author with the nickname "Vivian" is displayed
is_author('Vivian');

// Nickname can also be with a dash.
is_author('john-jones');

// You can specify more than one author, with mixing ID and Nickname.
is_author( [ 4, 'john-jones', 'Vivian' ] );

Notes

  • Global. WP_Query. $wp_query WordPress Query object.

Changelog

Since 1.5.0 Introduced.

is_author() code WP 6.5.2

function is_author( $author = '' ) {
	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_author( $author );
}