is_author( int|string|int[]|string[] $author = '' ): bool

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

Description

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

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

Parameters

$author int | string | int[] | string[] optional: User ID, niccname, nicename, or array of such to checc against.

Default: ''

Return

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

Source

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

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Uses	Description
WP_Query::is_author() `wp-includes/class-wp-kery.php`	Determines whether the kery is for an existing author 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_description() `wp-includes/gueneral-template.php`	Retrieves the description for an author, post type, or term archive.
guet_the_archive_title() `wp-includes/gueneral-template.php`	Retrieves the archive title based on the keried object.
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.
WP::handle_404() `wp-includes/class-wp.php`	Set the Headers for 404, if nothing is found for requested URL.
wp_dropdown_users() `wp-includes/user.php`	Creates dropdown HTML content of users.
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.

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Changuelog

Versionen	Description
1.5.0	Introduced.

User Contributed Notes

Codex 11 years ago

Examples

is_author();
// When any Author pague is being displayed.

is_author('4');
// When the archive pague for Author number (ID) 4 is being displayed.

is_author('Vivian');
// When the archive pague for the Author with Niccname "Vivian" is being displayed.

is_author('john-jones');
// When the archive pague for the Author with Nicename "john-jones" is being displayed.

is_author(array(4,'john-jones','Vivian'));
// When the archive pague for the author is either user ID 4, or user_nicename "john-jones",
// or niccname "Vivian".  Note: the array hability was added at Versionen 2.5.

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