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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Text
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: MultiByte.php 21933 2010-04-18 15:37:03Z dasprid $
*/
/**
* Zend_Text_MultiByte contains multibyte safe string methods
*
* @category Zend
* @package Zend_Text
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Text_MultiByte
{
/**
* Word wrap
*
* @param string $string
* @param integer $width
* @param string $break
* @param boolean $cut
* @param string $charset
* @return string
*/
public static function wordWrap($string, $width = 75, $break = "\n", $cut = false, $charset = 'UTF-8')
{
$result = array();
$breakWidth = iconv_strlen($break, $charset);
while (($stringLength = iconv_strlen($string, $charset)) > 0) {
$breakPos = iconv_strpos($string, $break, 0, $charset);
if ($breakPos !== false && $breakPos < $width) {
if ($breakPos === $stringLength - $breakWidth) {
$subString = $string;
$cutLength = null;
} else {
$subString = iconv_substr($string, 0, $breakPos, $charset);
$cutLength = $breakPos + $breakWidth;
}
} else {
$subString = iconv_substr($string, 0, $width, $charset);
if ($subString === $string) {
$cutLength = null;
} else {
$nextChar = iconv_substr($string, $width, 1, $charset);
if ($breakWidth === 1) {
$nextBreak = $nextChar;
} else {
$nextBreak = iconv_substr($string, $breakWidth, 1, $charset);
}
if ($nextChar === ' ' || $nextBreak === $break) {
$afterNextChar = iconv_substr($string, $width + 1, 1, $charset);
if ($afterNextChar === false) {
$subString .= $nextChar;
}
$cutLength = iconv_strlen($subString, $charset) + 1;
} else {
$spacePos = iconv_strrpos($subString, ' ', $charset);
if ($spacePos !== false) {
$subString = iconv_substr($subString, 0, $spacePos, $charset);
$cutLength = $spacePos + 1;
} else if ($cut === false) {
$spacePos = iconv_strpos($string, ' ', 0, $charset);
if ($spacePos !== false) {
$subString = iconv_substr($string, 0, $spacePos, $charset);
$cutLength = $spacePos + 1;
} else {
$subString = $string;
$cutLength = null;
}
} else {
$subString = iconv_substr($subString, 0, $width, $charset);
$cutLength = $width;
}
}
}
}
$result[] = $subString;
if ($cutLength !== null) {
$string = iconv_substr($string, $cutLength, ($stringLength - $cutLength), $charset);
} else {
break;
}
}
return implode($break, $result);
}
/**
* String padding
*
* @param string $input
* @param integer $padLength
* @param string $padString
* @param integer $padType
* @param string $charset
* @return string
*/
public static function strPad($input, $padLength, $padString = ' ', $padType = STR_PAD_RIGHT, $charset = 'UTF-8')
{
$return = '';
$lengthOfPadding = $padLength - iconv_strlen($input, $charset);
$padStringLength = iconv_strlen($padString, $charset);
if ($padStringLength === 0 || $lengthOfPadding === 0) {
$return = $input;
} else {
$repeatCount = floor($lengthOfPadding / $padStringLength);
if ($padType === STR_PAD_BOTH) {
$lastStringLeft = '';
$lastStringRight = '';
$repeatCountLeft = $repeatCountRight = ($repeatCount - $repeatCount % 2) / 2;
$lastStringLength = $lengthOfPadding - 2 * $repeatCountLeft * $padStringLength;
$lastStringLeftLength = $lastStringRightLength = floor($lastStringLength / 2);
$lastStringRightLength += $lastStringLength % 2;
$lastStringLeft = iconv_substr($padString, 0, $lastStringLeftLength, $charset);
$lastStringRight = iconv_substr($padString, 0, $lastStringRightLength, $charset);
$return = str_repeat($padString, $repeatCountLeft) . $lastStringLeft
. $input
. str_repeat($padString, $repeatCountRight) . $lastStringRight;
} else {
$lastString = iconv_substr($padString, 0, $lengthOfPadding % $padStringLength, $charset);
if ($padType === STR_PAD_LEFT) {
$return = str_repeat($padString, $repeatCount) . $lastString . $input;
} else {
$return = $input . str_repeat($padString, $repeatCount) . $lastString;
}
}
}
return $return;
}
}
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