Question

is_multi_author()

Does this site have more than one author

---

description

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

---

返回值

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

---

源代码

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 );
}

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更新日志

Version	description
3.2.0	Introduced.

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相关函数

Uses

• wp-includes/plugin.php: apply_filters()
• wp-includes/option.php: get_transient()
• wp-includes/option.php: set_transient()
• wp-includes/author-template.php: is_multi_author
• wp-includes/wp-db.php: wpdb::get_col()

---

User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by Codex

   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' );