freenetis-github/application/helpers/num.php @ 53cf4ce8
| 8baed187 | Michal Kliment | <?php defined('SYSPATH') or die('No direct script access.');
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/**
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* Number helper class.
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*
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* $Id: num.php 1710 2008-01-14 01:12:01Z PugFish $
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*
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* @package Number Helper
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* @author Kohana Team
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* @copyright (c) 2007-2008 Kohana Team
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* @license http://kohanaphp.com/license.html
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*/
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class num {
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/**
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* Round a number to the nearest nth
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*
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* @param integer number to round
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* @param integer number to round to
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* @return integer
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*/
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public static function round($number, $nearest = 5)
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{
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return round($number / $nearest) * $nearest;
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}
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/**
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* @author Michal Kliment
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* Fill number with nulls (on start)
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* @param int $number
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* @param int $position
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* @return string
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*/
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public static function null_fill($number, $position)
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{
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$len = strlen($number);
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$null_str = '';
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for ($i=0;$i<($position-$len);$i++)
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$null_str .= '0';
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return $null_str.$number;
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}
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/**
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* Negates number to opposite number / Negates number to given number
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* Negates all number / Negates only numbers for given level and operand
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*
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* @author Michal Kliment
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* @param integer $number
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* @param integer $to_number
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* @param integer $level
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* @param integer $op
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* @return integer
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*/
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public static function negation($number, $to_number = NULL, $level = NULL, $op = 1)
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{
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// number in which it will negate
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$to_number = ($to_number) ? $to_number : $number*(-1);
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// level is given
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if ($level !== NULL)
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{
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switch ($op)
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{
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// >
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case 1:
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return ($number > $level) ? $to_number : $number;
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break;
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// <
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case -1:
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return ($number < $level) ? $to_number : $number;
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break;
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// =
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case 0:
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return ($number == $level) ? $to_number : $number;
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break;
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// for all other
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default:
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return $to_number;
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break;
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}
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}
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else
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// level is not given
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return $to_number;
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}
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/**
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* @author Michal Kliment
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* Replace decimal comma with decimal point
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* @param int $number
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* @return string
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*/
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public static function decimal_point($number)
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{
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return str_replace(',', '.', $number);
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}
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}
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