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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_Form |
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17 * @subpackage Element |
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18 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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19 * @license http://framework.zend.com/license/new-bsd New BSD License |
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20 */ |
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21 |
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22 /** Zend_Form_Element_Xhtml */ |
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23 require_once 'Zend/Form/Element/Xhtml.php'; |
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24 |
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25 /** |
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26 * Checkbox form element |
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27 * |
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28 * @category Zend |
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29 * @package Zend_Form |
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30 * @subpackage Element |
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31 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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32 * @license http://framework.zend.com/license/new-bsd New BSD License |
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33 * @version $Id: Checkbox.php 20096 2010-01-06 02:05:09Z bkarwin $ |
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34 */ |
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35 class Zend_Form_Element_Checkbox extends Zend_Form_Element_Xhtml |
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36 { |
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37 /** |
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38 * Is the checkbox checked? |
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39 * @var bool |
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40 */ |
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41 public $checked = false; |
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42 |
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43 /** |
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44 * Use formCheckbox view helper by default |
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45 * @var string |
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46 */ |
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47 public $helper = 'formCheckbox'; |
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48 |
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49 /** |
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50 * Options that will be passed to the view helper |
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51 * @var array |
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52 */ |
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53 public $options = array( |
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54 'checkedValue' => '1', |
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55 'uncheckedValue' => '0', |
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56 ); |
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57 |
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58 /** |
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59 * Value when checked |
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60 * @var string |
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61 */ |
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62 protected $_checkedValue = '1'; |
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63 |
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64 /** |
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65 * Value when not checked |
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66 * @var string |
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67 */ |
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68 protected $_uncheckedValue = '0'; |
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69 |
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70 /** |
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71 * Current value |
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72 * @var string 0 or 1 |
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73 */ |
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74 protected $_value = '0'; |
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75 |
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76 /** |
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77 * Set options |
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78 * |
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79 * Intercept checked and unchecked values and set them early; test stored |
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80 * value against checked and unchecked values after configuration. |
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81 * |
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82 * @param array $options |
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83 * @return Zend_Form_Element_Checkbox |
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84 */ |
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85 public function setOptions(array $options) |
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86 { |
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87 if (array_key_exists('checkedValue', $options)) { |
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88 $this->setCheckedValue($options['checkedValue']); |
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89 unset($options['checkedValue']); |
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90 } |
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91 if (array_key_exists('uncheckedValue', $options)) { |
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92 $this->setUncheckedValue($options['uncheckedValue']); |
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93 unset($options['uncheckedValue']); |
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94 } |
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95 parent::setOptions($options); |
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96 |
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97 $curValue = $this->getValue(); |
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98 $test = array($this->getCheckedValue(), $this->getUncheckedValue()); |
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99 if (!in_array($curValue, $test)) { |
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100 $this->setValue($curValue); |
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101 } |
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102 |
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103 return $this; |
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104 } |
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105 |
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106 /** |
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107 * Set value |
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108 * |
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109 * If value matches checked value, sets to that value, and sets the checked |
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110 * flag to true. |
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111 * |
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112 * Any other value causes the unchecked value to be set as the current |
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113 * value, and the checked flag to be set as false. |
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114 * |
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115 * |
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116 * @param mixed $value |
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117 * @return Zend_Form_Element_Checkbox |
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118 */ |
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119 public function setValue($value) |
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120 { |
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121 if ($value == $this->getCheckedValue()) { |
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122 parent::setValue($value); |
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123 $this->checked = true; |
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124 } else { |
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125 parent::setValue($this->getUncheckedValue()); |
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126 $this->checked = false; |
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127 } |
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128 return $this; |
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129 } |
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130 |
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131 /** |
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132 * Set checked value |
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133 * |
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134 * @param string $value |
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135 * @return Zend_Form_Element_Checkbox |
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136 */ |
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137 public function setCheckedValue($value) |
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138 { |
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139 $this->_checkedValue = (string) $value; |
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140 $this->options['checkedValue'] = $value; |
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141 return $this; |
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142 } |
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143 |
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144 /** |
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145 * Get value when checked |
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146 * |
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147 * @return string |
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148 */ |
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149 public function getCheckedValue() |
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150 { |
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151 return $this->_checkedValue; |
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152 } |
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153 |
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154 /** |
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155 * Set unchecked value |
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156 * |
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157 * @param string $value |
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158 * @return Zend_Form_Element_Checkbox |
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159 */ |
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160 public function setUncheckedValue($value) |
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161 { |
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162 $this->_uncheckedValue = (string) $value; |
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163 $this->options['uncheckedValue'] = $value; |
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164 return $this; |
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165 } |
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166 |
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167 /** |
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168 * Get value when not checked |
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169 * |
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170 * @return string |
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171 */ |
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172 public function getUncheckedValue() |
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173 { |
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174 return $this->_uncheckedValue; |
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175 } |
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176 |
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177 /** |
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178 * Set checked flag |
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179 * |
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180 * @param bool $flag |
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181 * @return Zend_Form_Element_Checkbox |
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182 */ |
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183 public function setChecked($flag) |
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184 { |
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185 $this->checked = (bool) $flag; |
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186 if ($this->checked) { |
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187 $this->setValue($this->getCheckedValue()); |
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188 } else { |
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189 $this->setValue($this->getUncheckedValue()); |
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190 } |
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191 return $this; |
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192 } |
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193 |
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194 /** |
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195 * Get checked flag |
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196 * |
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197 * @return bool |
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198 */ |
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199 public function isChecked() |
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200 { |
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201 return $this->checked; |
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202 } |
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203 } |