add correct meta calendar

src/calend-block.php

@@ -1,43 +1,65 @@
 <?php
 
+setlocale(LC_ALL, 'ru_RU');
+date_default_timezone_set('Europe/Moscow');
+
 function calend_block($month, $year, $script=false){
 
-    $args = array(
+    $find_sql = "
+    SELECT `post_id`
+     FROM `wp_postmeta` 
+     WHERE `meta_key` = 'startevent' AND `meta_value` BETWEEN '$year-$month-01T00:00:00' AND '$year-$month-31T23:59:59'
+     ";
+    
+
+    $items = db_get($find_sql);
+
+    $ins = str_to_in($items);
+
+    if ($ins !== '') {
+
+    $posts = db_get("
+    SELECT ID, post_date, post_title FROM  `wp_posts` WHERE ID IN ($ins)
+    ");
+    }
+
+    
+    
+
+  /**  $args = array(
         'numberposts' => -1,
         'category'    => 61, // 61 - мероприятия
-        'orderby'     => 'date',
-        'order'       => 'ASC',
-        
-        'date_query' => array(
+        'meta_query' => array(
             array(
-                'after'     => array( // после этой даты
-                    'year'  => $year,
-                    'month' => $month,
-                    'day'   => 1,
-                ),
-                'before'    => array( // до этой даты
-                    'year'  => $year,
-                    'month' => $month,
-                    'day'   => 31,
-                ),
-                // 'inclusive'=> true
-            )
-        ),
-        
+              'key'     =>  'startevent',
+              'value'   => array( "$year-$month-01T00:00:00", "$year-$month-31T23:59:59" ),
+              'compare' => 'BETWEEN',
+              'type' => 'DATE'
+            ),
+         ),
         'post_type'   => 'post',
-        'post_status' => 'publish, future',
         'suppress_filters' => true, // подавление работы фильтров изменения SQL запроса
+    );*/
+
+    $args = array(
+        'numberposts' => -1,
+        'post__in' => $ins
     );
     
-    $posts = get_posts($args);
+    //$posts = get_posts($args);
 
     $events = [];
 
-    foreach ($posts as $post){
-        $key = date('d.m.Y', strtotime($post->post_date));
-        $events[$key]['text'] = $post->post_title;
-        $events[$key]['link'] = get_permalink($post->ID);
+    if (is_array($posts)){
 
+        foreach ($posts as $post){
+            $eventdate = get_post_meta($post['ID'], 'startevent', true);
+            $key = date('d.m.Y', strtotime($eventdate));
+            $events[$key]['text'] = $post['post_title'];
+            $events[$key]['link'] = get_permalink($post['ID']);
+
+        }
+        
     }?>
 
     <div id="event-calendar">