*/ class Alnum extends AbstractLocale { /** @var Options */ protected $options = [ 'locale' => null, 'allow_white_space' => false, ]; /** * Sets default option values for this instance * * @param array|Traversable|bool|null $allowWhiteSpaceOrOptions * @param string|null $locale */ public function __construct($allowWhiteSpaceOrOptions = null, $locale = null) { parent::__construct(); if ($allowWhiteSpaceOrOptions !== null) { if (static::isOptions($allowWhiteSpaceOrOptions)) { $this->setOptions($allowWhiteSpaceOrOptions); } else { $this->setAllowWhiteSpace($allowWhiteSpaceOrOptions); $this->setLocale($locale); } } } /** * Sets the allowWhiteSpace option * * @param bool $flag * @return $this */ public function setAllowWhiteSpace($flag = true) { $this->options['allow_white_space'] = (bool) $flag; return $this; } /** * Whether white space is allowed * * @return bool */ public function getAllowWhiteSpace() { return $this->options['allow_white_space']; } /** * Defined by Laminas\Filter\FilterInterface * * Returns $value as string with all non-alphanumeric characters removed * * @param mixed $value * @return ($value is scalar|list ? string|list : mixed) */ public function filter($value) { if (! is_scalar($value) && ! is_array($value)) { return $value; } $whiteSpace = $this->options['allow_white_space'] ? '\s' : ''; $language = Locale::getPrimaryLanguage($this->getLocale()); if (! StringUtils::hasPcreUnicodeSupport()) { // POSIX named classes are not supported, use alternative a-zA-Z0-9 match $pattern = '/[^a-zA-Z0-9' . $whiteSpace . ']/'; } elseif (in_array($language, ['ja', 'ko', 'zh'], true)) { // Use english alphabet $pattern = '/[^a-zA-Z0-9' . $whiteSpace . ']/u'; } else { // Use native language alphabet $pattern = '/[^\p{L}\p{N}' . $whiteSpace . ']/u'; } $value = is_scalar($value) ? (string) $value : $value; return preg_replace($pattern, '', $value); } }