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<?php |
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/** |
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* Recipe plugin for Craft CMS 3.x |
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* |
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* A comprehensive recipe FieldType for Craft CMS that includes metric/imperial |
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* conversion, portion calculation, and JSON-LD microdata support |
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* |
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* @link https://nystudio107.com |
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* @copyright Copyright (c) 2017 nystudio107 |
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*/ |
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namespace nystudio107\recipe\helpers; |
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use Craft; |
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/** |
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* @author nystudio107 |
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* @package Recipe |
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* @since 1.0.0 |
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*/ |
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class Json extends \craft\helpers\Json |
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{ |
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// Static Properties |
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// ========================================================================= |
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protected static int $recursionLevel; |
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// Static Methods |
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// ========================================================================= |
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/** |
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* @inheritdoc |
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*/ |
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public static function encode( |
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$value, |
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$options = |
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JSON_UNESCAPED_UNICODE |
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| JSON_UNESCAPED_SLASHES, |
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): string { |
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// If `devMode` is enabled, make the JSON-LD human-readable |
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if (Craft::$app->getConfig()->getGeneral()->devMode) { |
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$options |= JSON_PRETTY_PRINT; |
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} |
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self::$recursionLevel = 0; |
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return parent::encode($value, $options); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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protected static function processData($data, &$expressions, $expPrefix) |
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{ |
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++self::$recursionLevel; |
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$result = parent::processData($data, $expressions, $expPrefix); |
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--self::$recursionLevel; |
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static::normalizeJsonLdArray($result, self::$recursionLevel); |
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return $result; |
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} |
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// Private Methods |
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// ========================================================================= |
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/** |
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* Normalize the JSON-LD array recursively to remove empty values, change |
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* 'type' to '@type' and have it be the first item in the array |
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* |
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* @param $array |
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* @param $depth |
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*/ |
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protected static function normalizeJsonLdArray(&$array, $depth): void |
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{ |
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$array = array_filter($array); |
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$array = self::changeKey($array, 'context', '@context'); |
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$array = self::changeKey($array, 'type', '@type'); |
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ksort($array); |
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} |
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/** |
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* Replace key values without reordering the array or converting numeric |
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* keys to associative keys (which unset() does) |
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*/ |
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protected static function changeKey(array $array, string $oldKey, string $newKey): array |
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{ |
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if (!array_key_exists($oldKey, $array)) { |
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return $array; |
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} |
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$keys = array_keys($array); |
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$keys[array_search($oldKey, $keys)] = $newKey; |
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return array_combine($keys, $array); |
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} |
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} |
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nystudio107 /
craft-recipe
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