<?php
/*
 *
 * @package		ARI Framework
 * @author		ARI Soft
 * @copyright	Copyright (c) 2011 www.ari-soft.com. All rights reserved
 * @license		GNU/GPL (http://www.gnu.org/copyleft/gpl.html)
 * 
 */

defined('ARI_FRAMEWORK_LOADED') or die('Direct Access to this location is not allowed.');

class AriArrayHelper
{
	public static function toInteger($array, $min = null, $max = null, $unique = true)
	{
		if (!is_array($array))
			$array = array($array);

		$intArray = array();
		$checkMin = is_int($min);
		$checkMax = is_int($max);

		foreach ($array as $k => $v) 
		{
			$i = (int)$v;
			if (($checkMin && $i < $min) || 
				($checkMax && $i > $max))
				continue ;
				
			$intArray[$k] = $i;
		} 
		
		if ($unique)
			$intArray = array_unique($intArray);
			
		return $intArray;
	}

	public static function walkRecursive(&$data, $callback)
	{
		if (!is_array($data) || count($data) == 0 || empty($callback))
			return ;

		foreach ($data as $key => $value)
		{
			if (!is_array($value))
				$data[$key] = call_user_func_array($callback, array($value));
			else
				self::walkRecursive($data[$key], $callback);
		}
	}
}