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Diffstat (limited to '')
| -rw-r--r-- | library/vendor/Zend/Filter/Null.php | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/library/vendor/Zend/Filter/Null.php b/library/vendor/Zend/Filter/Null.php new file mode 100644 index 0000000..14a79f2 --- /dev/null +++ b/library/vendor/Zend/Filter/Null.php @@ -0,0 +1,181 @@ +<?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_Filter + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @version $Id$ + */ + +/** + * @see Zend_Filter_Interface + */ + +/** + * @category Zend + * @package Zend_Filter + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +class Zend_Filter_Null implements Zend_Filter_Interface +{ + const BOOLEAN = 1; + const INTEGER = 2; + const EMPTY_ARRAY = 4; + const STRING = 8; + const ZERO = 16; + const ALL = 31; + + protected $_constants = array( + self::BOOLEAN => 'boolean', + self::INTEGER => 'integer', + self::EMPTY_ARRAY => 'array', + self::STRING => 'string', + self::ZERO => 'zero', + self::ALL => 'all' + ); + + /** + * Internal type to detect + * + * @var integer + */ + protected $_type = self::ALL; + + /** + * Constructor + * + * @param string|array|Zend_Config $options OPTIONAL + */ + public function __construct($options = null) + { + if ($options instanceof Zend_Config) { + $options = $options->toArray(); + } else if (!is_array($options)) { + $options = func_get_args(); + $temp = array(); + if (!empty($options)) { + $temp = array_shift($options); + } + $options = $temp; + } else if (is_array($options) && array_key_exists('type', $options)) { + $options = $options['type']; + } + + if (!empty($options)) { + $this->setType($options); + } + } + + /** + * Returns the set null types + * + * @return array + */ + public function getType() + { + return $this->_type; + } + + /** + * Set the null types + * + * @param integer|array $type + * @throws Zend_Filter_Exception + * @return Zend_Filter_Null + */ + public function setType($type = null) + { + if (is_array($type)) { + $detected = 0; + foreach($type as $value) { + if (is_int($value)) { + $detected += $value; + } else if (in_array($value, $this->_constants)) { + $detected += array_search($value, $this->_constants); + } + } + + $type = $detected; + } else if (is_string($type)) { + if (in_array($type, $this->_constants)) { + $type = array_search($type, $this->_constants); + } + } + + if (!is_int($type) || ($type < 0) || ($type > self::ALL)) { + throw new Zend_Filter_Exception('Unknown type'); + } + + $this->_type = $type; + return $this; + } + + /** + * Defined by Zend_Filter_Interface + * + * Returns null representation of $value, if value is empty and matches + * types that should be considered null. + * + * @param string $value + * @return string + */ + public function filter($value) + { + $type = $this->getType(); + + // STRING ZERO ('0') + if ($type >= self::ZERO) { + $type -= self::ZERO; + if (is_string($value) && ($value == '0')) { + return null; + } + } + + // STRING ('') + if ($type >= self::STRING) { + $type -= self::STRING; + if (is_string($value) && ($value == '')) { + return null; + } + } + + // EMPTY_ARRAY (array()) + if ($type >= self::EMPTY_ARRAY) { + $type -= self::EMPTY_ARRAY; + if (is_array($value) && ($value == array())) { + return null; + } + } + + // INTEGER (0) + if ($type >= self::INTEGER) { + $type -= self::INTEGER; + if (is_int($value) && ($value == 0)) { + return null; + } + } + + // BOOLEAN (false) + if ($type >= self::BOOLEAN) { + $type -= self::BOOLEAN; + if (is_bool($value) && ($value == false)) { + return null; + } + } + + return $value; + } +} |