| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Yii2 module for automatically generating XML Sitemap. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @link https://github.com/himiklab/yii2-sitemap-module | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @author Serge Larin <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @author HimikLab | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @copyright 2015 Assayer Pro Company | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @copyright Copyright (c) 2014 HimikLab | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @license http://opensource.org/licenses/MIT MIT | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * based on https://github.com/himiklab/yii2-sitemap-module | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | namespace assayerpro\sitemap; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use Yii; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use XMLWriter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | use yii\base\InvalidConfigException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use yii\caching\Cache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | use yii\helpers\Url; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  * Yii2 module for automatically generating XML Sitemap. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  * @author Serge Larin <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  * @author HimikLab | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  * @package assayerpro\sitemap | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | class Sitemap extends \yii\base\Component | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     const ALWAYS = 'always'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     const HOURLY = 'hourly'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     const DAILY = 'daily'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     const WEEKLY = 'weekly'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     const MONTHLY = 'monthly'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     const YEARLY = 'yearly'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     const NEVER = 'never'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     private $schemas = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         'xmlns' => 'http://www.sitemaps.org/schemas/sitemap/0.9', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |         'xmlns:image' => 'http://www.google.com/schemas/sitemap-image/1.1', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |         'xmlns:news' => 'http://www.google.com/schemas/sitemap-news/0.9', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     /** @var int Cache expiration time */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     public $cacheExpire = 86400; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     /** @var string Cache key */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     public $cacheKey = 'sitemap'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     /** @var boolean Use php's gzip compressing. */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     public $enableGzip = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |     /** @var array Model list for sitemap */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     public $models = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     /** @var array Url list for sitemap */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |     public $urls = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     /** @var int */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     public $maxSectionUrl = 20000; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     /** @var bool Sort urls by priority. Top priority urls first */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     public $sortByPriority = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      * Build site map. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |      * @return array | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 68 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 69 | 5 |  |     public function render() | 
            
                                                                        
                            
            
                                    
            
            
                | 70 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 71 | 5 |  |         $result = Yii::$app->cache->get($this->cacheKey); | 
            
                                                                        
                            
            
                                    
            
            
                | 72 | 5 |  |         if ($result) { | 
            
                                                                        
                            
            
                                    
            
            
                | 73 | 1 |  |             return $result; | 
            
                                                                        
                            
            
                                    
            
            
                | 74 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 75 | 5 |  |         $urls = $this->generateUrls(); | 
            
                                                                        
                            
            
                                    
            
            
                | 76 | 5 |  |         if ($this->sortByPriority) { | 
            
                                                                        
                            
            
                                    
            
            
                | 77 | 1 |  |             $this->sortUrlsByPriority($urls); | 
            
                                                                        
                            
            
                                    
            
            
                | 78 | 1 |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 79 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 80 | 5 |  |         $parts = ceil(count($urls) / $this->maxSectionUrl); | 
            
                                                                        
                            
            
                                    
            
            
                | 81 | 5 |  |         if ($parts > 1) { | 
            
                                                                        
                            
            
                                    
            
            
                | 82 | 1 |  |             $xml = new XMLWriter(); | 
            
                                                                        
                            
            
                                    
            
            
                | 83 | 1 |  |             $xml->openMemory(); | 
            
                                                                        
                            
            
                                    
            
            
                | 84 | 1 |  |             $xml->startDocument('1.0', 'UTF-8'); | 
            
                                                                        
                            
            
                                    
            
            
                | 85 | 1 |  |             $xml->startElement('sitemapindex'); | 
            
                                                                        
                            
            
                                    
            
            
                | 86 | 1 |  |             $xml->writeAttribute('xmlns', $this->schemas['xmlns']); | 
            
                                                                        
                            
            
                                    
            
            
                | 87 | 1 |  |             for ($i = 1; $i <= $parts; $i++) { | 
            
                                                                        
                            
            
                                    
            
            
                | 88 | 1 |  |                 $xml->startElement('sitemap'); | 
            
                                                                        
                            
            
                                    
            
            
                | 89 | 1 |  |                 $xml->writeElement('loc', Url::to(['/sitemap/default/index', 'id' =>$i], true)); | 
            
                                                                        
                            
            
                                    
            
            
                | 90 | 1 |  |                 $xml->writeElement('lastmod', static::dateToW3C(time())); | 
            
                                                                        
                            
            
                                    
            
            
                | 91 | 1 |  |                 $xml->endElement(); | 
            
                                                                        
                            
            
                                    
            
            
                | 92 | 1 |  |                 $result[$i]['file'] = Url::to(['/sitemap/default/index', 'id' =>$i], false); | 
            
                                                                        
                            
            
                                    
            
            
                | 93 | 1 |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 94 | 1 |  |             $xml->endElement(); | 
            
                                                                        
                            
            
                                    
            
            
                | 95 | 1 |  |             $result[0]['xml'] = $xml->outputMemory(); | 
            
                                                                        
                            
            
                                    
            
            
                | 96 | 1 |  |             $result[0]['file'] = Url::to(['/sitemap/default/index']); | 
            
                                                                        
                            
            
                                    
            
            
                | 97 | 1 |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 98 | 5 |  |         $urlItem = 0; | 
            
                                                                        
                            
            
                                    
            
            
                | 99 | 5 |  |         for ($i = 1; $i <= $parts; $i++) { | 
            
                                                                        
                            
            
                                    
            
            
                | 100 | 5 |  |             $xml = new XMLWriter(); | 
            
                                                                        
                            
            
                                    
            
            
                | 101 | 5 |  |             $xml->openMemory(); | 
            
                                                                        
                            
            
                                    
            
            
                | 102 | 5 |  |             $xml->startDocument('1.0', 'UTF-8'); | 
            
                                                                        
                            
            
                                    
            
            
                | 103 | 5 |  |             $xml->startElement('urlset'); | 
            
                                                                        
                            
            
                                    
            
            
                | 104 | 5 |  |             foreach ($this->schemas as $attr => $schemaUrl) { | 
            
                                                                        
                            
            
                                    
            
            
                | 105 | 5 |  |                 $xml->writeAttribute($attr, $schemaUrl); | 
            
                                                                        
                            
            
                                    
            
            
                | 106 | 5 |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 107 | 5 |  |             for (; ($urlItem < $i * $this->maxSectionUrl) && ($urlItem < count($urls)); $urlItem++) { | 
            
                                                                        
                            
            
                                    
            
            
                | 108 | 5 |  |                 $xml->startElement('url'); | 
            
                                                                        
                            
            
                                    
            
            
                | 109 | 5 |  |                 foreach ($urls[$urlItem] as $urlKey => $urlValue) { | 
            
                                                                        
                            
            
                                    
            
            
                | 110 | 5 |  |                     if (is_array($urlValue)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 111 |  |  |                         switch ($urlKey) { | 
            
                                                                        
                            
            
                                    
            
            
                | 112 | 1 |  |                             case 'news': | 
            
                                                                        
                            
            
                                    
            
            
                | 113 | 1 |  |                                 $namespace = 'news:'; | 
            
                                                                        
                            
            
                                    
            
            
                | 114 | 1 |  |                                 $xml->startElement($namespace.$urlKey); | 
            
                                                                        
                            
            
                                    
            
            
                | 115 | 1 |  |                                 static::hashToXML($urlValue, $xml, $namespace); | 
            
                                                                        
                            
            
                                    
            
            
                | 116 | 1 |  |                                 $xml->endElement(); | 
            
                                                                        
                            
            
                                    
            
            
                | 117 | 1 |  |                                 break; | 
            
                                                                        
                            
            
                                    
            
            
                | 118 | 1 |  |                             case 'images': | 
            
                                                                        
                            
            
                                    
            
            
                | 119 | 1 |  |                                 $namespace = 'image:'; | 
            
                                                                        
                            
            
                                    
            
            
                | 120 | 1 |  |                                 foreach ($urlValue as $image) { | 
            
                                                                        
                            
            
                                    
            
            
                | 121 | 1 |  |                                     $xml->startElement($namespace.'image'); | 
            
                                                                        
                            
            
                                    
            
            
                | 122 | 1 |  |                                     static::hashToXML($image, $xml, $namespace); | 
            
                                                                        
                            
            
                                    
            
            
                | 123 | 1 |  |                                     $xml->endElement(); | 
            
                                                                        
                            
            
                                    
            
            
                | 124 | 1 |  |                                 } | 
            
                                                                        
                            
            
                                    
            
            
                | 125 | 1 |  |                                 break; | 
            
                                                                        
                            
            
                                    
            
            
                | 126 |  |  |                         } | 
            
                                                                        
                            
            
                                    
            
            
                | 127 | 1 |  |                     } else { | 
            
                                                                        
                            
            
                                    
            
            
                | 128 | 5 |  |                         $xml->writeElement($urlKey, $urlValue); | 
            
                                                                        
                            
            
                                    
            
            
                | 129 |  |  |                     } | 
            
                                                                        
                            
            
                                    
            
            
                | 130 | 5 |  |                 } | 
            
                                                                        
                            
            
                                    
            
            
                | 131 | 5 |  |                 $xml->endElement(); | 
            
                                                                        
                            
            
                                    
            
            
                | 132 | 5 |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 133 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 134 | 5 |  |             $xml->endElement(); // urlset | 
            
                                                                        
                            
            
                                    
            
            
                | 135 | 5 |  |             $xml->endElement(); // document | 
            
                                                                        
                            
            
                                    
            
            
                | 136 | 5 |  |             $result[$i]['xml'] = $xml->outputMemory(); | 
            
                                                                        
                            
            
                                    
            
            
                | 137 | 5 |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 138 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 139 | 5 |  |         if ($parts == 1) { | 
            
                                                                        
                            
            
                                    
            
            
                | 140 | 4 |  |             $result[0] = $result[1]; | 
            
                                                                        
                            
            
                                    
            
            
                | 141 | 4 |  |             unset($result[1]); | 
            
                                                                        
                            
            
                                    
            
            
                | 142 | 4 |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 143 | 5 |  |         Yii::$app->cache->set($this->cacheKey, $result, $this->cacheExpire); | 
            
                                                                        
                            
            
                                    
            
            
                | 144 | 5 |  |         return $result; | 
            
                                                                        
                            
            
                                    
            
            
                | 145 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |      * Generate url's array from properties $url and $models | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |      * @access protected | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |      * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 | 5 |  |     protected function generateUrls() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 | 5 |  |         $urls = $this->urls; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 | 5 |  |         foreach ($this->models as $modelName) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |             /** @var behaviors\SitemapBehavior $model */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 | 1 |  |             if (is_array($modelName)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 | 1 |  |                 $model = new $modelName['class']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 | 1 |  |                 if (isset($modelName['behaviors'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 | 1 |  |                     $model->attachBehaviors($modelName['behaviors']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 | 1 |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 | 1 |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 | 1 |  |                 $model = new $modelName; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 | 1 |  |             $urls = array_merge($urls, $model->generateSiteMap()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 | 5 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |         $urls = array_map(function($item) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 | 5 |  |             $item['loc'] = Url::to($item['loc'], true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 | 5 |  |             if (isset($item['lastmod'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 | 1 |  |                 $item['lastmod'] = Sitemap::dateToW3C($item['lastmod']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 | 1 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 | 5 |  |             if (isset($item['images'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |                 $item['images'] = array_map(function($image) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 | 1 |  |                     $image['loc'] = Url::to($image['loc'], true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 | 1 |  |                     return $image; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 | 1 |  |                 }, $item['images']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 | 1 |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 | 5 |  |             return $item; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 | 5 |  |         }, $urls); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 | 5 |  |         return $urls; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |      * Convert associative arrays to XML | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |      * @param array $hash | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |      * @param XMLWriter $xml | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |      * @param string $namespace | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |      * @static | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |      * @access protected | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |      * @return XMLWriter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 | 1 |  |     protected static function hashToXML($hash, $xml, $namespace = '') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 | 1 |  |         foreach ($hash as $key => $value) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 | 1 |  |             $xml->startElement($namespace.$key); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 | 1 |  |             if (is_array($value)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 | 1 |  |                 static::hashToXML($value, $xml, $namespace); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 | 1 |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 | 1 |  |                 $xml->text($value); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 | 1 |  |             $xml->endElement(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 | 1 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 | 1 |  |         return $xml; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |      * Convert date to W3C format | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |      * @param mixed $date | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |      * @static | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |      * @access protected | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 | 3 |  |     public static function dateToW3C($date) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 | 3 |  |         if (is_int($date)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 | 2 |  |             return date(DATE_W3C, $date); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 | 2 |  |             return date(DATE_W3C, strtotime($date)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |      * @return mixed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |     protected function sortUrlsByPriority(&$urls) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 | 1 |  |         usort($urls, function ($urlA, $urlB) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 | 1 |  |             if (!isset($urlA['priority'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |                 return 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 | 1 |  |             if (!isset($urlB['priority'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |                 return -1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 | 1 |  |             $a = $urlA['priority']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 | 1 |  |             $b = $urlB['priority']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 | 1 |  |             if ($a == $b) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |                 return 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 | 1 |  |             return ($a < $b) ? 1 : -1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 | 1 |  |         }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 | 1 |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 249 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 250 |  |  |  |