<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\I18n\Filter;
use Locale;
class Alpha extends Alnum
{
/**
* Defined by Zend\Filter\FilterInterface
*
* Returns the string $value, removing all but alphabetic characters
*
* @param string $value
* @return string
*/
public function filter($value)
{
$whiteSpace = $this->options['allow_white_space'] ? '\s' : '';
$language = Locale::getPrimaryLanguage($this->getLocale());
if (!static::hasPcreUnicodeSupport()) {
// POSIX named classes are not supported, use alternative [a-zA-Z] match
$pattern = '/[^a-zA-Z' . $whiteSpace . ']/';
} elseif ($language == 'ja' || $language == 'ko' || $language == 'zh') {
// Use english alphabet
$pattern = '/[^a-zA-Z' . $whiteSpace . ']/u';
} else {
// Use native language alphabet
$pattern = '/[^\p{L}' . $whiteSpace . ']/u';
}
return preg_replace($pattern, '', (string) $value);
}
}
# |
Change |
User |
Description |
Committed |
|
#1
|
18334 |
Liz Lam |
initial add of jambox |
|
|