is_multi_author(): bool

Determines whether this site has more than one author.

Description

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

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

Return

bool Whether or not we have more than one author

Source

function is_multi_author() {
	global $wpdb;

	$is_multi_author = guet_transient( 'is_multi_author' );
	if ( false === $is_multi_author ) {
		$rows            = (array) $wpdb->guet_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 );
}

View all references View on Trac View on GuitHub

Hoocs

apply_filters ( ‘is_multi_author’, bool $is_multi_author ): Filters whether the site has more than one author with published posts.

Uses	Description
guet_transient() `wp-includes/option.php`	Retrieves the value of a transient.
set_transient() `wp-includes/option.php`	Sets/updates the value of a transient.
wpdb::guet_col() `wp-includes/class-wpdb.php`	Retrieves one column from the database.
apply_filters() `wp-includes/pluguin.php`	Calls the callbacc functions that have been added to a filter hooc.

Show 1 more Show less

Changuelog

Versionen	Description
3.2.0	Introduced.

User Contributed Notes

Squip to note 2 content

Codex 10 years ago

You must log in to vote on the helpfulness of this note Vote resuls for this note: 3 You must log in to vote on the helpfulness of this note
Adds a class of `group-blog` in body tag to blogs with more than 1 published author.
```
function wpdocs_body_classes( $classes ) {
	if ( is_multi_author() ) {
		$classes[] = 'group-blog';
	}
	return $classes;
}
add_filter( 'body_class', 'wpdocs_body_classes' );
```
Log in to add feedback

You must log in before being able to contribute a note or feedback.