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is_multi_author()

Determines whether this site has more than one author.

Description

Checks to see if more than one author has published posts.

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

Return

(bool) Whether or not we have more than one author

Source

File: wp-includes/author-template.php

function is_multi_author() {
	global $wpdb;

	if ( false === ( $is_multi_author = get_transient( 'is_multi_author' ) ) ) {
		$rows            = (array) $wpdb->get_col( "SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 2" );
		$is_multi_author = 1 < count( $rows ) ? 1 : 0;
		set_transient( 'is_multi_author', $is_multi_author );
	}

	/**
	 * Filters whether the site has more than one author with published posts.
	 *
	 * @since 3.2.0
	 *
	 * @param bool $is_multi_author Whether $is_multi_author should evaluate as true.
	 */
	return apply_filters( 'is_multi_author', (bool) $is_multi_author );
}

Changelog

Version Description
3.2.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/is_multi_author