[WordPress] Mini plugin to reduce the number of tags displayed in the Tag Cloud widget.

glckprss-reduce-tags.php

<?php
/**
 * Plugin Name: GlückPress Reduce Tags
 * Description: Reduce the number of tags displayed in the tag cloud widget.
 * Version: 2014.01
 * Author: Caspar Hübinger
 * Author URI: http://glueckpress.com/
 *
 */

if ( ! defined( 'ABSPATH' ) )
	exit;


/**
 * Configure number of tags here.
 */
function glckprss_reduce_tags_to_number() {

	return 10; // number of tags to be displayed
}


/**
 * Load plugin.
 *
 */
function glckprss_reduce_tags() {

	add_filter( 'widget_tag_cloud_args', 'glckprss_reduce_tags_tag_cloud_args' );
}
add_action( 'plugins_loaded', 'glckprss_reduce_tags' );


/**
 * Pass a custom number of tags to the tag cloud widget.
 *
 * @param array $args Configuration arguments.
 * @return array
 */
function glckprss_reduce_tags_tag_cloud_args( $args ) {

	$args['number'] = absint( glckprss_reduce_tags_to_number() );

	return $args;
}