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redir/includes/kohana/system/utf8/str_pad.php

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<?php defined('SYSPATH') OR die('No direct script access.');
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/**
* UTF8::str_pad
*
* @package Kohana
* @author Kohana Team
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* @copyright (c) 2007-2012 Kohana Team
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* @copyright (c) 2005 Harry Fuecks
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
*/
function _str_pad($str, $final_str_length, $pad_str = ' ', $pad_type = STR_PAD_RIGHT)
{
if (UTF8::is_ascii($str) AND UTF8::is_ascii($pad_str))
return str_pad($str, $final_str_length, $pad_str, $pad_type);
$str_length = UTF8::strlen($str);
if ($final_str_length <= 0 OR $final_str_length <= $str_length)
return $str;
$pad_str_length = UTF8::strlen($pad_str);
$pad_length = $final_str_length - $str_length;
if ($pad_type == STR_PAD_RIGHT)
{
$repeat = ceil($pad_length / $pad_str_length);
return UTF8::substr($str.str_repeat($pad_str, $repeat), 0, $final_str_length);
}
if ($pad_type == STR_PAD_LEFT)
{
$repeat = ceil($pad_length / $pad_str_length);
return UTF8::substr(str_repeat($pad_str, $repeat), 0, floor($pad_length)).$str;
}
if ($pad_type == STR_PAD_BOTH)
{
$pad_length /= 2;
$pad_length_left = floor($pad_length);
$pad_length_right = ceil($pad_length);
$repeat_left = ceil($pad_length_left / $pad_str_length);
$repeat_right = ceil($pad_length_right / $pad_str_length);
$pad_left = UTF8::substr(str_repeat($pad_str, $repeat_left), 0, $pad_length_left);
$pad_right = UTF8::substr(str_repeat($pad_str, $repeat_right), 0, $pad_length_right);
return $pad_left.$str.$pad_right;
}
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throw new UTF8_Exception("UTF8::str_pad: Unknown padding type (:pad_type)", array(
':pad_type' => $pad_type,
));
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}