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1 <?php |
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2 /** |
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3 * Zend Framework |
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4 * |
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5 * LICENSE |
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6 * |
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7 * This source file is subject to the new BSD license that is bundled |
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8 * with this package in the file LICENSE.txt. |
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9 * It is also available through the world-wide-web at this URL: |
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10 * http://framework.zend.com/license/new-bsd |
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11 * If you did not receive a copy of the license and are unable to |
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12 * obtain it through the world-wide-web, please send an email |
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13 * to license@zend.com so we can send you a copy immediately. |
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14 * |
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15 * @category Zend |
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16 * @package Zend_Validate |
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17 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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18 * @license http://framework.zend.com/license/new-bsd New BSD License |
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19 * @version $Id: Validate.php 21339 2010-03-05 15:32:25Z thomas $ |
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20 */ |
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21 |
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22 /** |
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23 * @see Zend_Validate_Interface |
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24 */ |
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25 require_once 'Zend/Validate/Interface.php'; |
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26 |
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27 /** |
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28 * @category Zend |
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29 * @package Zend_Validate |
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30 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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31 * @license http://framework.zend.com/license/new-bsd New BSD License |
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32 */ |
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33 class Zend_Validate implements Zend_Validate_Interface |
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34 { |
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35 /** |
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36 * Validator chain |
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37 * |
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38 * @var array |
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39 */ |
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40 protected $_validators = array(); |
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41 |
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42 /** |
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43 * Array of validation failure messages |
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44 * |
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45 * @var array |
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46 */ |
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47 protected $_messages = array(); |
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48 |
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49 /** |
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50 * Default Namespaces |
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51 * |
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52 * @var array |
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53 */ |
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54 protected static $_defaultNamespaces = array(); |
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55 |
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56 /** |
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57 * Array of validation failure message codes |
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58 * |
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59 * @var array |
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60 * @deprecated Since 1.5.0 |
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61 */ |
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62 protected $_errors = array(); |
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63 |
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64 /** |
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65 * Adds a validator to the end of the chain |
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66 * |
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67 * If $breakChainOnFailure is true, then if the validator fails, the next validator in the chain, |
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68 * if one exists, will not be executed. |
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69 * |
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70 * @param Zend_Validate_Interface $validator |
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71 * @param boolean $breakChainOnFailure |
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72 * @return Zend_Validate Provides a fluent interface |
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73 */ |
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74 public function addValidator(Zend_Validate_Interface $validator, $breakChainOnFailure = false) |
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75 { |
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76 $this->_validators[] = array( |
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77 'instance' => $validator, |
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78 'breakChainOnFailure' => (boolean) $breakChainOnFailure |
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79 ); |
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80 return $this; |
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81 } |
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82 |
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83 /** |
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84 * Returns true if and only if $value passes all validations in the chain |
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85 * |
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86 * Validators are run in the order in which they were added to the chain (FIFO). |
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87 * |
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88 * @param mixed $value |
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89 * @return boolean |
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90 */ |
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91 public function isValid($value) |
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92 { |
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93 $this->_messages = array(); |
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94 $this->_errors = array(); |
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95 $result = true; |
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96 foreach ($this->_validators as $element) { |
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97 $validator = $element['instance']; |
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98 if ($validator->isValid($value)) { |
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99 continue; |
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100 } |
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101 $result = false; |
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102 $messages = $validator->getMessages(); |
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103 $this->_messages = array_merge($this->_messages, $messages); |
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104 $this->_errors = array_merge($this->_errors, array_keys($messages)); |
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105 if ($element['breakChainOnFailure']) { |
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106 break; |
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107 } |
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108 } |
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109 return $result; |
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110 } |
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111 |
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112 /** |
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113 * Defined by Zend_Validate_Interface |
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114 * |
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115 * Returns array of validation failure messages |
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116 * |
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117 * @return array |
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118 */ |
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119 public function getMessages() |
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120 { |
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121 return $this->_messages; |
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122 } |
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123 |
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124 /** |
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125 * Defined by Zend_Validate_Interface |
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126 * |
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127 * Returns array of validation failure message codes |
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128 * |
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129 * @return array |
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130 * @deprecated Since 1.5.0 |
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131 */ |
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132 public function getErrors() |
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133 { |
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134 return $this->_errors; |
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135 } |
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136 |
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137 /** |
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138 * Returns the set default namespaces |
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139 * |
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140 * @return array |
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141 */ |
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142 public static function getDefaultNamespaces() |
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143 { |
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144 return self::$_defaultNamespaces; |
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145 } |
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146 |
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147 /** |
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148 * Sets new default namespaces |
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149 * |
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150 * @param array|string $namespace |
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151 * @return null |
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152 */ |
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153 public static function setDefaultNamespaces($namespace) |
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154 { |
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155 if (!is_array($namespace)) { |
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156 $namespace = array((string) $namespace); |
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157 } |
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158 |
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159 self::$_defaultNamespaces = $namespace; |
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160 } |
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161 |
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162 /** |
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163 * Adds a new default namespace |
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164 * |
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165 * @param array|string $namespace |
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166 * @return null |
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167 */ |
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168 public static function addDefaultNamespaces($namespace) |
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169 { |
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170 if (!is_array($namespace)) { |
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171 $namespace = array((string) $namespace); |
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172 } |
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173 |
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174 self::$_defaultNamespaces = array_unique(array_merge(self::$_defaultNamespaces, $namespace)); |
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175 } |
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176 |
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177 /** |
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178 * Returns true when defaultNamespaces are set |
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179 * |
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180 * @return boolean |
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181 */ |
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182 public static function hasDefaultNamespaces() |
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183 { |
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184 return (!empty(self::$_defaultNamespaces)); |
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185 } |
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186 |
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187 /** |
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188 * @param mixed $value |
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189 * @param string $classBaseName |
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190 * @param array $args OPTIONAL |
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191 * @param mixed $namespaces OPTIONAL |
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192 * @return boolean |
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193 * @throws Zend_Validate_Exception |
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194 */ |
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195 public static function is($value, $classBaseName, array $args = array(), $namespaces = array()) |
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196 { |
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197 $namespaces = array_merge((array) $namespaces, self::$_defaultNamespaces, array('Zend_Validate')); |
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198 $className = ucfirst($classBaseName); |
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199 try { |
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200 if (!class_exists($className, false)) { |
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201 require_once 'Zend/Loader.php'; |
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202 foreach($namespaces as $namespace) { |
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203 $class = $namespace . '_' . $className; |
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204 $file = str_replace('_', DIRECTORY_SEPARATOR, $class) . '.php'; |
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205 if (Zend_Loader::isReadable($file)) { |
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206 Zend_Loader::loadClass($class); |
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207 $className = $class; |
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208 break; |
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209 } |
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210 } |
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211 } |
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212 |
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213 $class = new ReflectionClass($className); |
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214 if ($class->implementsInterface('Zend_Validate_Interface')) { |
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215 if ($class->hasMethod('__construct')) { |
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216 $keys = array_keys($args); |
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217 $numeric = false; |
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218 foreach($keys as $key) { |
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219 if (is_numeric($key)) { |
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220 $numeric = true; |
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221 break; |
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222 } |
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223 } |
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224 |
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225 if ($numeric) { |
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226 $object = $class->newInstanceArgs($args); |
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227 } else { |
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228 $object = $class->newInstance($args); |
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229 } |
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230 } else { |
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231 $object = $class->newInstance(); |
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232 } |
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233 |
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234 return $object->isValid($value); |
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235 } |
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236 } catch (Zend_Validate_Exception $ze) { |
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237 // if there is an exception while validating throw it |
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238 throw $ze; |
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239 } catch (Exception $e) { |
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240 // fallthrough and continue for missing validation classes |
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241 } |
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242 |
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243 require_once 'Zend/Validate/Exception.php'; |
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244 throw new Zend_Validate_Exception("Validate class not found from basename '$classBaseName'"); |
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245 } |
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246 |
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247 /** |
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248 * Returns the maximum allowed message length |
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249 * |
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250 * @return integer |
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251 */ |
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252 public static function getMessageLength() |
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253 { |
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254 require_once 'Zend/Validate/Abstract.php'; |
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255 return Zend_Validate_Abstract::getMessageLength(); |
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256 } |
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257 |
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258 /** |
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259 * Sets the maximum allowed message length |
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260 * |
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261 * @param integer $length |
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262 */ |
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263 public static function setMessageLength($length = -1) |
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264 { |
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265 require_once 'Zend/Validate/Abstract.php'; |
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266 Zend_Validate_Abstract::setMessageLength($length); |
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267 } |
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268 |
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269 /** |
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270 * Returns the default translation object |
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271 * |
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272 * @return Zend_Translate_Adapter|null |
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273 */ |
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274 public static function getDefaultTranslator($translator = null) |
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275 { |
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276 require_once 'Zend/Validate/Abstract.php'; |
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277 return Zend_Validate_Abstract::getDefaultTranslator(); |
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278 } |
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279 |
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280 /** |
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281 * Sets a default translation object for all validation objects |
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282 * |
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283 * @param Zend_Translate|Zend_Translate_Adapter|null $translator |
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284 */ |
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285 public static function setDefaultTranslator($translator = null) |
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286 { |
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287 require_once 'Zend/Validate/Abstract.php'; |
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288 Zend_Validate_Abstract::setDefaultTranslator($translator); |
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289 } |
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290 } |