WP_User_Query::generate_cache_key( array $args, string $sql )

Generate cache key.


Parameters

$args

(Required) Query arguments.

$sql

(Required) SQL statement.


Return

(string) Cache key.


Source

File: wp-includes/class-wp-user-query.php

	protected function generate_cache_key( array $args, $sql ) {
		global $wpdb;

		// Replace wpdb placeholder in the SQL statement used by the cache key.
		$sql = $wpdb->remove_placeholder_escape( $sql );

		$key          = md5( $sql );
		$last_changed = wp_cache_get_last_changed( 'users' );

		if ( empty( $args['orderby'] ) ) {
			// Default order is by 'user_login'.
			$ordersby = array( 'user_login' => '' );
		} elseif ( is_array( $args['orderby'] ) ) {
			$ordersby = $args['orderby'];
		} else {
			// 'orderby' values may be a comma- or space-separated list.
			$ordersby = preg_split( '/[,\s]+/', $args['orderby'] );
		}

		$blog_id = 0;
		if ( isset( $args['blog_id'] ) ) {
			$blog_id = absint( $args['blog_id'] );
		}

		if ( $args['has_published_posts'] || in_array( 'post_count', $ordersby, true ) ) {
			$switch = $blog_id && get_current_blog_id() !== $blog_id;
			if ( $switch ) {
				switch_to_blog( $blog_id );
			}

			$last_changed .= wp_cache_get_last_changed( 'posts' );

			if ( $switch ) {
				restore_current_blog();
			}
		}

		return "get_users:$key:$last_changed";
	}


Changelog

Changelog
Version Description
6.3.0 Introduced.