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

Source

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"; } 

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