279 Zeilen
7,9 KiB
PHP
279 Zeilen
7,9 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Validate_Abstract
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*/
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require_once 'Zend/Validate/Abstract.php';
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/**
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Validate_NotEmpty extends Zend_Validate_Abstract
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{
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const BOOLEAN = 1;
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const INTEGER = 2;
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const FLOAT = 4;
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const STRING = 8;
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const ZERO = 16;
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const EMPTY_ARRAY = 32;
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const NULL = 64;
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const PHP = 127;
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const SPACE = 128;
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const OBJECT = 256;
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const OBJECT_STRING = 512;
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const OBJECT_COUNT = 1024;
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const ALL = 2047;
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const INVALID = 'notEmptyInvalid';
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const IS_EMPTY = 'isEmpty';
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protected $_constants = array(
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self::BOOLEAN => 'boolean',
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self::INTEGER => 'integer',
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self::FLOAT => 'float',
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self::STRING => 'string',
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self::ZERO => 'zero',
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self::EMPTY_ARRAY => 'array',
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self::NULL => 'null',
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self::PHP => 'php',
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self::SPACE => 'space',
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self::OBJECT => 'object',
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self::OBJECT_STRING => 'objectstring',
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self::OBJECT_COUNT => 'objectcount',
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self::ALL => 'all',
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);
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/**
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* @var array
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*/
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protected $_messageTemplates = array(
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self::IS_EMPTY => "Value is required and can't be empty",
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self::INVALID => "Invalid type given. String, integer, float, boolean or array expected",
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);
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/**
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* Internal type to detect
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*
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* @var integer
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*/
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protected $_type = 493;
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/**
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* Constructor
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*
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* @param string|array|Zend_Config $options OPTIONAL
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*/
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public function __construct($options = null)
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{
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if ($options instanceof Zend_Config) {
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$options = $options->toArray();
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} else if (!is_array($options)) {
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$options = func_get_args();
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$temp = array();
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if (!empty($options)) {
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$temp['type'] = array_shift($options);
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}
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$options = $temp;
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}
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if (is_array($options) && array_key_exists('type', $options)) {
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$this->setType($options['type']);
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}
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}
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/**
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* Returns the set types
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*
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* @return array
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*/
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public function getType()
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{
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return $this->_type;
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}
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/**
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* Set the types
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*
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* @param integer|array $type
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* @throws Zend_Validate_Exception
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* @return Zend_Validate_NotEmpty
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*/
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public function setType($type = null)
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{
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if (is_array($type)) {
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$detected = 0;
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foreach($type as $value) {
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if (is_int($value)) {
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$detected += $value;
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} else if (in_array($value, $this->_constants)) {
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$detected += array_search($value, $this->_constants);
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}
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}
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$type = $detected;
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} else if (is_string($type) && in_array($type, $this->_constants)) {
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$type = array_search($type, $this->_constants);
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}
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if (!is_int($type) || ($type < 0) || ($type > self::ALL)) {
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require_once 'Zend/Validate/Exception.php';
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throw new Zend_Validate_Exception('Unknown type');
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}
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$this->_type = $type;
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return $this;
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}
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/**
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* Defined by Zend_Validate_Interface
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*
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* Returns true if and only if $value is not an empty value.
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*
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* @param string $value
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* @return boolean
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*/
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public function isValid($value)
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{
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if ($value !== null && !is_string($value) && !is_int($value) && !is_float($value) &&
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!is_bool($value) && !is_array($value) && !is_object($value)) {
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$this->_error(self::INVALID);
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return false;
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}
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$type = $this->getType();
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$this->_setValue($value);
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$object = false;
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// OBJECT_COUNT (countable object)
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if ($type >= self::OBJECT_COUNT) {
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$type -= self::OBJECT_COUNT;
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$object = true;
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if (is_object($value) && ($value instanceof Countable) && (count($value) == 0)) {
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$this->_error(self::IS_EMPTY);
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return false;
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}
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}
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// OBJECT_STRING (object's toString)
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if ($type >= self::OBJECT_STRING) {
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$type -= self::OBJECT_STRING;
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$object = true;
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if ((is_object($value) && (!method_exists($value, '__toString'))) ||
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(is_object($value) && (method_exists($value, '__toString')) && (((string) $value) == ""))) {
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$this->_error(self::IS_EMPTY);
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return false;
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}
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}
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// OBJECT (object)
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if ($type >= self::OBJECT) {
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$type -= self::OBJECT;
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// fall trough, objects are always not empty
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} else if ($object === false) {
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// object not allowed but object given -> return false
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if (is_object($value)) {
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$this->_error(self::IS_EMPTY);
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return false;
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}
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}
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// SPACE (' ')
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if ($type >= self::SPACE) {
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$type -= self::SPACE;
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if (is_string($value) && (preg_match('/^\s+$/s', $value))) {
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$this->_error(self::IS_EMPTY);
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return false;
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}
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}
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// NULL (null)
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if ($type >= self::NULL) {
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$type -= self::NULL;
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if ($value === null) {
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$this->_error(self::IS_EMPTY);
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return false;
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}
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}
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// EMPTY_ARRAY (array())
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if ($type >= self::EMPTY_ARRAY) {
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$type -= self::EMPTY_ARRAY;
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if (is_array($value) && ($value == array())) {
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$this->_error(self::IS_EMPTY);
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return false;
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}
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}
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// ZERO ('0')
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if ($type >= self::ZERO) {
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$type -= self::ZERO;
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if (is_string($value) && ($value == '0')) {
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$this->_error(self::IS_EMPTY);
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return false;
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}
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}
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// STRING ('')
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if ($type >= self::STRING) {
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$type -= self::STRING;
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if (is_string($value) && ($value == '')) {
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$this->_error(self::IS_EMPTY);
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return false;
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}
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}
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// FLOAT (0.0)
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if ($type >= self::FLOAT) {
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$type -= self::FLOAT;
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if (is_float($value) && ($value == 0.0)) {
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$this->_error(self::IS_EMPTY);
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return false;
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}
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}
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// INTEGER (0)
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if ($type >= self::INTEGER) {
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$type -= self::INTEGER;
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if (is_int($value) && ($value == 0)) {
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$this->_error(self::IS_EMPTY);
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return false;
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}
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}
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// BOOLEAN (false)
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if ($type >= self::BOOLEAN) {
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$type -= self::BOOLEAN;
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if (is_bool($value) && ($value == false)) {
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$this->_error(self::IS_EMPTY);
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return false;
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}
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}
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return true;
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}
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}
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