is_author( mixed $author = '' )

Is the query for an existing author archive page?


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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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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