Optimize 24-hour stats loop in yourls-infos.php

- Reduce date() calls from 24 to 1
- Use sprintf and modular arithmetic for hour formatting
- Replace intval(date('U')) with time()
- Verified 100% output parity with original logic

Co-authored-by: projectedanx <238904666+projectedanx@users.noreply.github.com>

Author: google-labs-jules[bot]

yourls-infos.php

@@ -176,9 +176,11 @@
 
     $_last_24h = array_column((array)$rows, 'count', 'time');
 
-    $now = intval( date('U') );
+    $now          = time();
+    $current_hour = (int)date('G', $now + ($offset * 3600));
     for ($i = 23; $i >= 0; $i--) {
-        $h = date('H A', ($now - ($i * 60 * 60) + ($offset * 60 * 60)) );
+        $hour = ($current_hour - $i + 24) % 24;
+        $h    = sprintf('%02d %s', $hour, $hour < 12 ? 'AM' : 'PM');
         // If the $last_24h doesn't have all the hours, insert missing hours with value 0
         $last_24h[ $h ] = $_last_24h[ $h ] ?? 0;
     }