Source of file Float.php
Size: 3,893 Bytes - Last Modified: 2014-03-12T23:21:18+01:00
/home/theseer/Downloads/ZendFramework-2.3.0/library/Zend/I18n/Validator/Float.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144 | <?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\Validator; use Locale; use NumberFormatter; use Traversable; use Zend\I18n\Exception as I18nException; use Zend\Stdlib\ArrayUtils; use Zend\Validator\AbstractValidator; use Zend\Validator\Exception; class Float extends AbstractValidator { const INVALID = 'floatInvalid'; const NOT_FLOAT = 'notFloat'; /** * @var array */ protected $messageTemplates = array( self::INVALID => "Invalid type given. String, integer or float expected", self::NOT_FLOAT => "The input does not appear to be a float", ); /** * Optional locale * * @var string|null */ protected $locale; /** * Constructor for the integer validator * * @param array|Traversable $options * @throws Exception\ExtensionNotLoadedException if ext/intl is not present */ public function __construct($options = array()) { if (!extension_loaded('intl')) { throw new I18nException\ExtensionNotLoadedException(sprintf( '%s component requires the intl PHP extension', __NAMESPACE__ )); } if ($options instanceof Traversable) { $options = ArrayUtils::iteratorToArray($options); } if (array_key_exists('locale', $options)) { $this->setLocale($options['locale']); } parent::__construct($options); } /** * Returns the set locale * * @return string */ public function getLocale() { if (null === $this->locale) { $this->locale = Locale::getDefault(); } return $this->locale; } /** * Sets the locale to use * * @param string|null $locale * @return Float */ public function setLocale($locale) { $this->locale = $locale; return $this; } /** * Returns true if and only if $value is a floating-point value * * @param string $value * @return bool * @throws Exception\InvalidArgumentException */ public function isValid($value) { if (!is_string($value) && !is_int($value) && !is_float($value)) { $this->error(self::INVALID); return false; } $this->setValue($value); if (is_float($value)) { return true; } $locale = $this->getLocale(); $format = new NumberFormatter($locale, NumberFormatter::DECIMAL); if (intl_is_failure($format->getErrorCode())) { throw new Exception\InvalidArgumentException("Invalid locale string given"); } $parsedFloat = $format->parse($value, NumberFormatter::TYPE_DOUBLE); if (intl_is_failure($format->getErrorCode())) { $this->error(self::NOT_FLOAT); return false; } $decimalSep = $format->getSymbol(NumberFormatter::DECIMAL_SEPARATOR_SYMBOL); $groupingSep = $format->getSymbol(NumberFormatter::GROUPING_SEPARATOR_SYMBOL); $valueFiltered = str_replace($groupingSep, '', $value); $valueFiltered = str_replace($decimalSep, '.', $valueFiltered); while (strpos($valueFiltered, '.') !== false && (substr($valueFiltered, -1) == '0' || substr($valueFiltered, -1) == '.') ) { $valueFiltered = substr($valueFiltered, 0, strlen($valueFiltered) - 1); } if (strval($parsedFloat) !== $valueFiltered) { $this->error(self::NOT_FLOAT); return false; } return true; } } |