<?php

/**
 * @author     Ben Borowski <ben.borowski@typeoneerror.com>
 * @copyright  Copyright (c) 2008-9 TypeOneError Studios (http://www.typeoneerror.com)
 * @license    MIT ~ http://www.opensource.org/licenses/mit-license.php
 * @version    $Id$
 * @link       http://typeoneerror.com/asra
 * @category   Asra
 * @package    Utils
 */

/**
 * Some basic static functions for working with arrays.
 *
 * @author     Ben Borowski <ben.borowski@typeoneerror.com>
 * @copyright  Copyright (c) 2008-9 TypeOneError Studios (http://www.typeoneerror.com)
 * @license    MIT ~ http://www.opensource.org/licenses/mit-license.php
 * @link       http://typeoneerror.com/asra
 * @category   Asra
 * @package    Utils
 */
class Asra_Utils_Arrays
{
    /**
     * Remove empty spaces in array
     *
     * @param array $array  Array to purge
     * @return array
     */
    public static function array_purge($array)
    {
        for ($i=(count($array)-1); $i>=0; $i--)
        {
            if ($array[$i] == '')
            {
                array_splice($array,$i,1);
            }
        }
        return $array;
    }

    /**
     * Recursive array_map
     *
     * @param string $func  Callback
     * @param array $arr    Array to map to callback
     * @return array        New array with mapped data
     */
    function array_map_recursive($func, $arr)
    {
        $newArr = array();

        foreach ($arr as $key => $value)
        {
            $newArr[$key] = (is_array($value) ? Asra_Utils_Arrays::array_map_recursive($func, $value) : $func($value));
        }

        return $newArr;
    }

    /**
     * Shorthand print_array
     *
     * @param array $array  Array to print
     * @return void
     */
    public static function pr($array)
    {
        Asra_Utils_Arrays::print_array($array);
    }

    /**
     * Similar to print_r but wrapped in pre
     *
     * @param array $array  Array to print
     * @return void
     */
    public static function print_array($array)
    {
        echo "<pre>";
        print_r($array);
        echo "</pre>";
    }

}