iblock elements helper. Get last news from uri

IblockTable.php

@@ -0,0 +1,110 @@
+<?php
+namespace Starblust;
+
+class IblockTable
+{
+    /** @var int $id 
+     * iblock id 
+     **/
+    private $id;
+    /** @var string $code iblock_code */
+    private $code;
+    /** @var int $ttl cache live time - seconds */
+    private $ttl = 3600;
+    /** @var string $cache_id cache identificator */
+    private $cache_id = 'default_id';
+    /** @var string $cache_path cache folder name */
+    private $cache_path = '/default_dir/';
+
+    /**
+     * constructor
+     *
+     * @param array $params array of params
+     * @return instance
+     * @throws 
+     **/
+
+    public function __construct(array $params = []) {
+        if (!empty($params['id'])){
+            $this->id = $params['id'];
+        }
+        if (!empty($params['code'])){
+            $this->code = $params['code'];
+        }
+        if (!empty($params['ttl'])){
+            $this->ttl = $params['ttl'];
+        }
+        if (!empty($params['cache_id'])){
+            $this->cache_id = $params['cache_id'];
+        }
+        if (!empty($params['cache_path'])){
+            $this->cache_path = $params['cache_path'];
+        }
+    }
+
+    /**
+     * method that return raw uncached data from database
+     *
+     * @param array $params array of bitrix CIBlockElement::getList() parameters
+     * proccess_callback(callable) - callback_function that can modify element result
+     * function($arr) {
+     *    do something
+     *    return $arr;
+     * }
+     * @return array
+     * @throws 
+     **/
+
+    public function getList(array $params) : array {
+        \CModule::includeModule('iblock');
+        if (empty($params['filter']['iblock_id'])){
+            $params['filter']['IBLOCK_ID'] = $this->id;
+        }
+        $db_res = \CIBlockElement::GetList(
+            ($params['sort']) ? $params['sort'] : [], 
+            $params['filter'], 
+            (isset($params['group_by']) && is_array($params['group_by'])) ? $params['group_by'] : false, 
+            (isset($params['nav_start_params']) && is_array($params['nav_start_params'])) ? $params['nav_start_params'] : false, 
+            (!empty($params['select'])) ? $params['select'] : ['ID']
+        );
+        $result = [];
+        while($arr = $db_res->GetNext()){
+            if (isset($params['process_callback']) && is_callable($params['process_callback']))
+            {
+                $arr = $params['process_callback']($arr);
+            }
+            $result[] = $arr;
+        }
+        return $result;
+    }
+
+    /**
+     * method that return a cached data
+     *
+     * @param array $queryParams array of getList() parameters
+     * 
+     * @param array $cacheParams array of cache parameters
+     * ttl - time to live
+     * cache_id - id of a cache
+     * cache_path - folder where to save data
+     * @return array
+     * @throws 
+     **/
+    public function getCachedList(array $queryParams, array $cacheParams): array {
+        $ttl = ($cacheParams['ttl']) ? $cacheParams['ttl'] : $this->ttl;
+        $cache_id = ($cacheParams['cache_id']) ? $cacheParams['cache_id'] : $this->cache_id;
+        $cache_path = ($cacheParams['cache_path']) ? $cacheParams['cache_path'] : $this->cache_path;
+        $result = [];
+        $obCache = new \CPHPCache();
+        if( $obCache->InitCache($ttl, $cache_id, $cache_path) ) {
+            $vars = $obCache->GetVars();
+            $result = $vars['result'];
+        }
+        elseif( $obCache->StartDataCache()  ) {
+            $result = $this->getList($queryParams);
+            $obCache->EndDataCache(array('result' => $result));
+        }
+        return $result;
+    }
+
+}

getLastNews.php

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+<?php
+
+function request($url){
+     // create curl resource 
+     $ch = curl_init(); 
+     // set url 
+     curl_setopt($ch, CURLOPT_URL, $url); 
+     //return the transfer as a string 
+     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
+     // $output contains the output string 
+     $output = curl_exec($ch); 
+     // close curl resource to free up system resources 
+     curl_close($ch);
+     return $output;
+}
+
+function prettyPrint($data){
+    ?>
+    <pre><?php print_r($data);?></pre>
+    <?php
+}
+
+
+function sort_by_date($a, $b){
+    // asc
+    return -(strtotime($a['pub_date']) - strtotime($b['pub_date']));
+}
+
+// news url
+$url_data = 'https://lenta.ru/rss';
+
+// show count
+$show_count = 5;
+
+//string of data
+$data = request($url_data);
+
+//parsed xml data
+$xml_data = new SimpleXMLElement($data);
+
+// iterate all items
+$items_count = count($xml_data->channel->item);
+
+
+$show_result = [];
+
+for($i = 0; $i < $items_count; $i++){
+    $item = $xml_data->channel->item[$i];
+    $show_result[] = [
+        'name' => (string)$item->title,
+        'link' => (string)$item->link,
+        'pub_date' => (string)$item->pubDate,
+        'description' => (string)$item->description
+    ];
+}
+
+unset($item);
+
+$row_delimiter = '<br>';
+if (php_sapi_name() == 'cli'){
+    $row_delimiter = "\n";
+}
+
+// xml данные идут по убыванию даты  можно взять просто первые пять
+
+// sort
+usort($show_result, 'sort_by_date');
+
+
+//show
+foreach(array_slice($show_result, 0, $show_count) as $item){
+    echo "title:{$item['name']}{$row_delimiter}".
+          "link:{$item['link']}{$row_delimiter}".
+          "publicate date:{$item['pub_date']}{$row_delimiter}".
+          "description:{$item['description']}".$row_delimiter.
+                                              $row_delimiter;
+}