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

Determines whether the query is 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.

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


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Parameters Parameters

$author

(int|string|int[]|string[]) (Optional) User ID, nickname, nicename, or array of such to check against.

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

  1. Skip to note 1 content
    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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