Allow multiple field names for nested fields
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3199502. -->
Reported by: [wlofgren](https://www.drupal.org/user/3188857)
>>>
<p>Currently the function _views_json_json_nested only allows to pass in a single nested field name. We should allow multiple field names to be passed into the function. Below is the modified function that allows multiple field names.</p>
<pre>/**<br> * Encodes the provided nested array into JSON format, preserving the contents<br> * of the specified field as-is as a raw, nested JSON value.<br> *<br> * @param $rows<br> * The nested array to encode into JSON.<br> *<br> * @param $jsonOptions<br> * The JSON encoder settings bitmask, if the format that would be passed for<br> * $options to PHP's json_encode() function.<br> *<br> * @param $previewAsHtml<br> * Whether or not the JSON is being previewed in the Views UI interface.<br> *<br> * @param $rootObjectName<br> * The name of the root value in the array.<br> *<br> * @param $nestedFieldNames<br> * An array of field names in each row that is to be protected from escaping<br> * because it already contains JSON that should be passed through raw.<br> *<br> * @return string<br> * Either the JSON encoded string on success; or FALSE on<br> * failure.<br> */<br>function _views_json_json_nested($rows, $jsonOptions, $previewAsHtml, $rootObjectName, $nestedFieldNames) {<br> if (isset($rows[$rootObjectName])) {<br> /* Pick a random number to include in the pattern, to further reduce the<br> * chances of coming across content that just happens to match our<br> * placeholder pattern.<br> */<br><br> $unescapedItems = array();<br><br> $events =& $rows[$rootObjectName];<br><br> foreach ($nestedFieldNames as $nestedFieldName) {<br><br> $rawFieldPlaceholderPattern =<br> sprintf(<br> "%s_PLACEHOLDER_%d_",<br> $nestedFieldName,<br> rand(1, 2000));<br><br><br> foreach ($events as $index => &$event) {<br> if (isset($event[$nestedFieldName])) {<br> $placeholderContent = $rawFieldPlaceholderPattern . $index;<br><br> /* JSON wraps the content in quotes, making it a string.<br> * For us to nest the JSON as JSON, we need to strip the quotes, so<br> * we include them in the key so that strtr() handle the replacement.<br> */<br> $placeholderKey = '"' . $placeholderContent . '"';<br><br> $unescapedItems[$placeholderKey] = trim($event[$nestedFieldName]);<br> $event[$nestedFieldName] = $placeholderContent;<br> }<br> }<br> }<br><br> if ($previewAsHtml) {<br> $jsonContent = _views_json_encode_formatted($rows, $jsonOptions);<br> }<br> else {<br> $jsonContent = _views_json_json_encode($rows, $jsonOptions);<br> }<br><br> /* Replace the placeholders with the corresponding raw JSON values we saved<br> * before we passed the object through json_encode().<br> */<br> $result = strtr($jsonContent, $unescapedItems);<br> }<br> else {<br> if ($previewAsHtml) {<br> $result = _views_json_encode_formatted($rows, $jsonOptions);<br> }<br> else {<br> $result = _views_json_json_encode($rows, $jsonOptions);<br> }<br> }<br><br> return $result;<br>}</pre>
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