Prepped gen_vor.php for PHP 8.1

gen_vor.php

@@ -15,11 +15,17 @@ if ((new DateTime())->getTimeStamp() >= $tues_ts) {
     $ts = strtotime('+1 month', $ts);
 }    
 
+// This for PHP >= 8.1 as the old strftime will be deprecated by then
+// $date_time = new DateTime();
+// $date_time->setTimestamp(strtotime('fourth tuesday of this month', $ts));
 foreach ($fil as $line) {
+    // Skip empty lines
+    if (strlen($line)) {
         $fields = array_filter(explode('|', $line));
         if (count($fields) == 2) {
             // Date missing, insert
             $tuesday = strftime('%A, %d.%m.%Y ', strtotime('fourth tuesday of this month', $ts));
+            // $tuesday = datefmt_format_object($date_time, 'cccc, d.M.yyyy ', 'de_DE.utf8');
             array_unshift($fields, $tuesday);
         }
         $ts = strtotime('+1 month', $ts);
@@ -33,5 +39,6 @@ foreach ($fil as $line) {
         }
         array_push($arr, '|' . $li . '|');    
     }
+}
 file_put_contents($file_md, implode(PHP_EOL, $arr) . PHP_EOL);
 ?>