dx v2: fix no day match

backend-php/api.php

@@ -13,26 +13,26 @@ function findClosestDateSort($array, $targetDate)
     if (empty($array) || !preg_match('/^\d{1,2}-\d{1,2}-\d{2}$/', $targetDate)) {
         return null;
     }
-    
+
     $targetDateTime = DateTime::createFromFormat('d-m-y', $targetDate);
     if ($targetDateTime === false) return null;
     $targetTimestamp = $targetDateTime->getTimestamp();
-    
+
     $result = null;
     $maxTimestamp = null;
-    
+
     foreach ($array as $item) {
         $itemDateTime = DateTime::createFromFormat('d-m-y', $item['fromDate']);
         if ($itemDateTime === false) continue;
-        
+
         $itemTimestamp = $itemDateTime->getTimestamp();
         if ($itemTimestamp <= $targetTimestamp && ($maxTimestamp === null || $itemTimestamp > $maxTimestamp)) {
             $maxTimestamp = $itemTimestamp;
             $result = $item;
         }
     }
-    
-    return $result;
+
+    return $result ?: ['content' => '[]'];
 }
 function getDayOfWeek(string $date)
 {