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1 | <?php |
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2 | /** |
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3 | * Finance module for HiPanel |
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4 | * |
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5 | * @link https://github.com/hiqdev/hipanel-module-finance |
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6 | * @package hipanel-module-finance |
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7 | * @license BSD-3-Clause |
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8 | * @copyright Copyright (c) 2015-2019, HiQDev (http://hiqdev.com/) |
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9 | */ |
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10 | |||
11 | namespace hipanel\modules\finance\cart; |
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12 | |||
13 | use hipanel\modules\finance\models\CalculableModelInterface; |
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14 | use hipanel\modules\finance\models\Calculation; |
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15 | use hiqdev\hiart\ActiveRecord; |
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16 | use hiqdev\yii2\cart\CartPositionInterface; |
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17 | use hiqdev\yii2\cart\CartPositionTrait; |
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18 | use Serializable; |
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19 | use Yii; |
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20 | use yii\base\InvalidConfigException; |
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21 | |||
22 | /** |
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23 | * AbstractCartPosition represents position (item) in cart. |
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24 | * Holds: |
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25 | * - calculation object |
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26 | * - purchase object |
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27 | * - price for single item |
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28 | * - value for selected quantity. |
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29 | * |
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30 | * @property Calculation $actionCalcModel |
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31 | */ |
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32 | abstract class AbstractCartPosition extends ActiveRecord implements CartPositionInterface, CalculableModelInterface, Serializable |
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33 | { |
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34 | use CartPositionTrait; |
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35 | |||
36 | /** |
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37 | * @var string|array|Calculation |
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38 | * - string: the action calculation model class name |
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39 | * - array: array of options for [[Yii::createObject()]] call |
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40 | * - object: the object that extends [[Calculation]] class and represents calculation of the specified object type |
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41 | */ |
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42 | protected $_calculationModel; |
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43 | |||
44 | /** |
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45 | * @var string|array |
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46 | * - string: the position purchase model class name |
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47 | * - array: array of options for [[Yii::createObject()]] call |
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48 | */ |
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49 | protected $_purchaseModel; |
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50 | |||
51 | /** |
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52 | * @var double the price of the 1 piece of the position |
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53 | */ |
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54 | protected $_price; |
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55 | |||
56 | /** |
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57 | * @var double the full value of position |
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58 | */ |
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59 | protected $_value; |
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60 | |||
61 | /** |
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62 | * @var string |
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63 | */ |
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64 | protected $_currency; |
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65 | |||
66 | /** |
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67 | * {@inheritdoc} |
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68 | */ |
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69 | public function init() |
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70 | { |
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71 | if ($this->_purchaseModel === null) { |
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72 | throw new InvalidConfigException('Purchase model is not defined. The position can not be ordered'); |
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73 | } |
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74 | } |
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75 | |||
76 | /** |
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77 | * @return double |
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78 | */ |
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79 | public function getPrice() |
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80 | { |
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81 | return $this->_price; |
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82 | } |
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83 | |||
84 | /** |
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85 | * Sets the [[price]]. |
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86 | * |
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87 | * The $price will be casted to double |
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88 | * |
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89 | * @param mixed $price |
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90 | */ |
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91 | public function setPrice($price) |
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92 | { |
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93 | $this->_price = (float) $price; |
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94 | } |
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95 | |||
96 | /** |
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97 | * {@inheritdoc} |
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98 | */ |
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99 | public function getCost($withDiscount = true) |
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100 | { |
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101 | if ($withDiscount) { |
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102 | return $this->getValue(); |
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103 | } else { |
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104 | return $this->getQuantity() * $this->getPrice(); |
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105 | } |
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106 | } |
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107 | |||
108 | /** |
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109 | * The method returns the `crc32b` hash of a distinct condition |
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110 | * Example:. |
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111 | * |
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112 | * ```php |
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113 | * return hash('crc32b', implode('_', ['domain', 'registration', $this->name])); |
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114 | * ``` |
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115 | * |
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116 | * @return string |
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117 | */ |
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118 | abstract public function getId(); |
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119 | |||
120 | /** |
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121 | * @param array $options Options that override defaults on [[Yii::createObject()]] |
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122 | * @throws \yii\base\InvalidConfigException |
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123 | * @return Calculation |
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124 | */ |
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125 | public function getCalculationModel($options = []) |
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126 | { |
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127 | if (!($this->_calculationModel instanceof Calculation)) { |
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128 | $config = ['position' => $this]; |
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129 | |||
130 | if (is_string($this->_calculationModel)) { |
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131 | $config['class'] = $this->_calculationModel; |
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132 | } |
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133 | |||
134 | $this->_calculationModel = Yii::createObject(array_merge($config, $options)); |
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135 | } else { |
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136 | $this->_calculationModel->synchronize(); |
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137 | } |
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138 | |||
139 | return $this->_calculationModel; |
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140 | } |
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141 | |||
142 | /** |
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143 | * @param array $options Options that override defaults on [[Yii::createObject()]] |
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144 | * @throws \yii\base\InvalidConfigException |
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145 | * @return AbstractPurchase |
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146 | */ |
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147 | public function getPurchaseModel($options = []) |
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148 | { |
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149 | $config = ['position' => $this]; |
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150 | |||
151 | if (is_string($this->_purchaseModel)) { |
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152 | $config['class'] = $this->_purchaseModel; |
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153 | } |
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154 | |||
155 | return Yii::createObject(array_merge($config, $options)); |
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156 | } |
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157 | |||
158 | /** |
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159 | * Returns the value of the domain. |
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160 | * @return double |
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161 | */ |
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162 | public function getValue() |
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163 | { |
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164 | return $this->_value; |
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165 | } |
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166 | |||
167 | /** |
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168 | * Sets the [[value]]. |
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169 | * |
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170 | * The $value will be casted to double |
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171 | * |
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172 | * @param mixed $value |
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173 | */ |
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174 | public function setValue($value) |
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175 | { |
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176 | $this->_value = (float) $value; |
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177 | } |
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178 | |||
179 | public function serialize() |
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180 | { |
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181 | return serialize($this->serializationMap()); |
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182 | } |
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183 | |||
184 | /** |
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185 | * Method stores map of attributes that must be serialized. |
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186 | * |
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187 | * @return array key is the attribute name where the value should be extracted |
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188 | * In case when the value shoule be assigned in a special way, use [[unserializationMap]] |
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189 | * to map key to a closure, that will set the value |
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190 | * |
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191 | * @see unserializationMap |
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192 | */ |
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193 | protected function serializationMap() |
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194 | { |
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195 | return [ |
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196 | 'attributes' => $this->getAttributes(), |
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197 | '_currency' => $this->_currency, |
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198 | '_quantity' => $this->_quantity, |
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199 | '_price' => $this->_price, |
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200 | '_value' => $this->_value, |
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201 | '_id' => $this->_id, |
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202 | ]; |
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203 | } |
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204 | |||
205 | /** |
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206 | * @return array |
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207 | * Key is the attribute name, value - the closure to unserialize the value |
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208 | */ |
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209 | protected function unserializationMap() |
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210 | { |
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211 | return [ |
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212 | 'attributes' => function ($value) { |
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213 | $this->setAttributes($value, false); |
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214 | }, |
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215 | ]; |
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216 | } |
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217 | |||
218 | public function unserialize($serialized) |
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219 | { |
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220 | $map = $this->unserializationMap(); |
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221 | $array = unserialize($serialized); |
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222 | foreach ($array as $key => $value) { |
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223 | if (!isset($map[$key])) { |
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224 | $this->{$key} = $value; |
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225 | continue; |
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226 | } |
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227 | |||
228 | if ($map[$key] instanceof \Closure) { |
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229 | $map[$key]($value); |
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230 | } |
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231 | } |
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232 | } |
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233 | |||
234 | /** |
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235 | * @return string |
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236 | */ |
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237 | public function getCurrency(): ?string |
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238 | { |
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239 | return $this->_currency; |
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240 | } |
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241 | |||
242 | /** |
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243 | * @param string $currency |
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244 | */ |
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245 | public function setCurrency(string $currency): void |
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246 | { |
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247 | $this->_currency = $currency; |
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248 | } |
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249 | } |
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250 |
Let’s assume that you have a directory layout like this:
and let’s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: