is_author( mixed $author = '' )

Is the query for an existing author archive page?

Contents

Description Description

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

Parameters Parameters

$author

(mixed) (Optional) User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames

Default value: ''

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Return Return

(bool)

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Source Source

File: wp-includes/query.php 

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 );
}

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Changelog Changelog

Changelog
Version Description
1.5.0 Introduced.

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Uses Uses

Uses
Uses Description
wp-includes/l10n.php: __()

Retrieve the translation of $text.
wp-includes/class-wp-query.php: WP_Query::is_author()

Is the query for an existing author archive page?
wp-includes/functions.php: _doing_it_wrong()

Mark something as being incorrectly called.

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Used By Used By

Used By
Used By Description
wp-includes/general-template.php: wp_get_document_title()

Returns document title for the current page.
wp-includes/general-template.php: get_the_archive_description()

Retrieves the description for an author, post type, or term archive.
wp-includes/general-template.php: get_the_archive_title()

Retrieve the archive title based on the queried object.
wp-includes/general-template.php: feed_links_extra()

Display the links to the extra feeds such as category feeds.
wp-includes/general-template.php: wp_title()

Display or retrieve page title for all areas of blog.
wp-includes/class-wp.php: WP::handle_404()

Set the Headers for 404, if nothing is found for requested URL.
wp-includes/user.php: wp_dropdown_users()

Create dropdown HTML content of users.
wp-includes/post-template.php: get_body_class()

Retrieve the classes for the body element as an array.
wp-includes/canonical.php: redirect_canonical()

Redirects incoming links to the proper URL based on the site url.
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User Contributed Notes User Contributed Notes

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    Contributed by Codex —

    Examples

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

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

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

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

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

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