php_analyzer.type_inference.infeasible_condition.slot_type
1 | <?php |
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2 | |||
3 | namespace DNADesign\Elemental\Controllers; |
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4 | |||
5 | use DNADesign\Elemental\Forms\EditFormFactory; |
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6 | use DNADesign\Elemental\Models\BaseElement; |
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7 | use DNADesign\Elemental\Services\ElementTypeRegistry; |
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8 | use Exception; |
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9 | use Psr\Log\LoggerInterface; |
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10 | use SilverStripe\CMS\Controllers\CMSMain; |
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11 | use SilverStripe\Control\HTTPRequest; |
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12 | use SilverStripe\Control\HTTPResponse; |
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13 | use SilverStripe\Control\HTTPResponse_Exception; |
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14 | use SilverStripe\Core\Convert; |
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15 | use SilverStripe\Core\Injector\Injector; |
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16 | use SilverStripe\Forms\Form; |
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17 | use SilverStripe\Security\SecurityToken; |
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18 | |||
19 | /** |
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20 | * Controller for "ElementalArea" - handles loading and saving of in-line edit forms in an elemental area in admin |
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21 | */ |
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22 | class ElementalAreaController extends CMSMain |
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23 | { |
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24 | const FORM_NAME_TEMPLATE = 'ElementForm_%s'; |
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25 | |||
26 | private static $url_segment = 'elemental-area'; |
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27 | |||
28 | private static $ignore_menuitem = true; |
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29 | |||
30 | private static $url_handlers = [ |
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31 | // API access points with structured data |
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32 | 'POST api/saveForm/$ID' => 'apiSaveForm', |
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33 | '$FormName/field/$FieldName' => 'formAction', |
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34 | ]; |
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35 | |||
36 | private static $allowed_actions = [ |
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37 | 'elementForm', |
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38 | 'schema', |
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39 | 'apiSaveForm', |
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40 | 'formAction', |
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41 | ]; |
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42 | |||
43 | public function getClientConfig() |
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44 | { |
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45 | $clientConfig = parent::getClientConfig(); |
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46 | $clientConfig['form']['elementForm'] = [ |
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47 | 'schemaUrl' => $this->Link('schema/elementForm'), |
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48 | 'saveUrl' => $this->Link('api/saveForm'), |
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49 | 'saveMethod' => 'post', |
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50 | 'payloadFormat' => 'json', |
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51 | 'formNameTemplate' => sprintf(static::FORM_NAME_TEMPLATE, '{id}'), |
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52 | ]; |
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53 | |||
54 | // Configuration that is available per element type |
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55 | $clientConfig['elementTypes'] = ElementTypeRegistry::generate()->getDefinitions(); |
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56 | |||
57 | return $clientConfig; |
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58 | } |
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59 | |||
60 | /** |
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61 | * @param HTTPRequest|null $request |
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62 | * @return Form |
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63 | * @throws HTTPResponse_Exception |
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64 | */ |
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65 | public function elementForm(HTTPRequest $request = null) |
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66 | { |
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67 | // Get ID either from posted back value, or url parameter |
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68 | if (!$request) { |
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69 | $this->jsonError(400); |
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70 | return null; |
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71 | } |
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72 | $id = $request->param('ID'); |
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73 | if (!$id) { |
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74 | $this->jsonError(400); |
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75 | return null; |
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76 | } |
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77 | return $this->getElementForm($id) ?: $this->jsonError(404); |
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78 | } |
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79 | |||
80 | /** |
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81 | * @param int $elementID |
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82 | * @return Form|null Returns null if no element exists for the given ID |
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83 | */ |
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84 | public function getElementForm($elementID) |
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85 | { |
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86 | $scaffolder = Injector::inst()->get(EditFormFactory::class); |
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87 | $element = BaseElement::get()->byID($elementID); |
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88 | |||
89 | if (!$element) { |
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90 | return null; |
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91 | } |
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92 | |||
93 | /** @var Form $form */ |
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94 | $form = $scaffolder->getForm( |
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95 | $this, |
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96 | sprintf(static::FORM_NAME_TEMPLATE, $elementID), |
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97 | ['Record' => $element] |
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98 | ); |
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99 | |||
100 | if (!$element->canEdit()) { |
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101 | $form->makeReadonly(); |
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102 | } |
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103 | |||
104 | $form->addExtraClass('element-editor-editform__form'); |
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105 | |||
106 | return $form; |
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107 | } |
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108 | |||
109 | /** |
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110 | * Save an inline edit form for a block |
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111 | * |
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112 | * @param HTTPRequest $request |
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113 | * @return HTTPResponse|null JSON encoded string or null if an exception is thrown |
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114 | * @throws HTTPResponse_Exception |
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115 | */ |
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116 | public function apiSaveForm(HTTPRequest $request) |
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117 | { |
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118 | // Validate required input data |
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119 | if (!isset($this->urlParams['ID'])) { |
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120 | $this->jsonError(400); |
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121 | return null; |
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122 | } |
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123 | |||
124 | $data = Convert::json2array($request->getBody()); |
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125 | if (empty($data)) { |
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126 | $this->jsonError(400); |
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127 | return null; |
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128 | } |
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129 | |||
130 | // Inject request body as request vars |
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131 | foreach ($data as $key => $value) { |
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132 | $request->offsetSet($key, $value); |
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133 | } |
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134 | |||
135 | // Check security token |
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136 | if (!SecurityToken::inst()->checkRequest($request)) { |
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137 | $this->jsonError(400); |
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138 | return null; |
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139 | } |
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140 | |||
141 | /** @var BaseElement $element */ |
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142 | $element = BaseElement::get()->byID($this->urlParams['ID']); |
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143 | // Ensure the element can be edited by the current user |
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144 | if (!$element || !$element->canEdit()) { |
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145 | $this->jsonError(403); |
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146 | return null; |
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147 | } |
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148 | |||
149 | // Remove the pseudo namespaces that were added by the form factory |
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150 | $data = $this->removeNamespacesFromFields($data, $element->ID); |
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151 | |||
152 | try { |
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153 | $updated = false; |
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154 | |||
155 | $element->updateFromFormData($data); |
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156 | // Check if anything will actually be changed before writing |
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157 | if ($element->isChanged()) { |
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158 | $element->write(); |
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159 | // Track changes so we can return to the client |
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160 | $updated = true; |
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161 | } |
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162 | } catch (Exception $ex) { |
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163 | Injector::inst()->get(LoggerInterface::class)->debug($ex->getMessage()); |
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164 | |||
165 | $this->jsonError(500); |
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166 | return null; |
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167 | } |
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168 | |||
169 | $body = Convert::raw2json([ |
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170 | 'status' => 'success', |
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171 | 'updated' => $updated, |
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172 | ]); |
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173 | return HTTPResponse::create($body)->addHeader('Content-Type', 'application/json'); |
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174 | } |
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175 | |||
176 | /** |
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177 | * Provides action control for form fields that are request handlers when they're used in an in-line edit form. |
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178 | * |
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179 | * Eg. UploadField |
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180 | * |
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181 | * @param HTTPRequest $request |
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182 | * @return array|HTTPResponse|\SilverStripe\Control\RequestHandler|string |
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183 | */ |
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184 | public function formAction(HTTPRequest $request) |
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185 | { |
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186 | $formName = $request->param('FormName'); |
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187 | |||
188 | // Get the element ID from the form name |
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189 | $id = substr($formName, strlen(sprintf(self::FORM_NAME_TEMPLATE, ''))); |
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190 | $form = $this->getElementForm($id); |
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191 | |||
192 | $field = $form->getRequestHandler()->handleField($request); |
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193 | |||
194 | return $field->handleRequest($request); |
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195 | } |
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196 | |||
197 | /** |
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198 | * Remove the pseudo namespaces that were added to form fields by the form factory |
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199 | * |
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200 | * @param array $data |
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201 | * @param int $elementID |
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202 | * @return array |
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203 | */ |
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204 | public static function removeNamespacesFromFields(array $data, $elementID) |
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205 | { |
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206 | $output = []; |
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207 | $template = sprintf(EditFormFactory::FIELD_NAMESPACE_TEMPLATE, $elementID, ''); |
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208 | foreach ($data as $key => $value) { |
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209 | // Only look at fields that match the namespace template |
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210 | if (substr($key, 0, strlen($template)) !== $template) { |
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211 | continue; |
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212 | } |
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213 | |||
214 | $fieldName = substr($key, strlen($template)); |
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215 | $output[$fieldName] = $value; |
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216 | } |
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217 | return $output; |
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218 | } |
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219 | } |
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220 |