Cache handler patch.

Changelog excerpt:
- Optimised the logic for when clearExpiredPDO triggers, which should
  improve performance a little for those using PDO for caching.

Author: Maikuolan

Changelog.txt

@@ -29,6 +29,9 @@ found at:
 
 - [2026.03.18]: Use RedisException for failed Redis connections.
 
+- [2026.03.22]: Optimised the logic for when clearExpiredPDO triggers, which
+  should improve performance a little for those using PDO for caching.
+
 === Version/Release 2.15.0 ===
 MINOR RELEASE.
 

src/Cache.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * A simple, unified cache handler (last modified: 2026.03.20).
+ * A simple, unified cache handler (last modified: 2026.03.22).
  *
  * This file is a part of the "common classes package", utilised by a number of
  * packages and projects, including CIDRAM and phpMussel.
@@ -144,7 +144,7 @@ class Cache extends CommonAbstract implements \ArrayAccess, \Countable
     /**
      * @var string Prepared get query for PDO.
      */
-    public const GET_QUERY = 'SELECT `Data` FROM `Cache` WHERE `Key` = :key LIMIT 1';
+    public const GET_QUERY = 'SELECT * FROM `Cache` WHERE `Key` = :key LIMIT 1';
 
     /**
      * @var string Prepared delete query for PDO.
@@ -460,11 +460,14 @@ public function getEntry(string $Entry)
             return $this->unserializeEntry($this->WorkingData->get($Entry));
         }
         if ($this->Using === 'PDO') {
-            $this->clearExpiredPDO();
             $PDO = $this->WorkingData->prepare(self::GET_QUERY);
             if ($PDO !== false && $PDO->execute([':key' => $Entry])) {
                 $Data = $PDO->fetch(\PDO::FETCH_ASSOC);
-                if (!isset($Data['Data'])) {
+                if (!isset($Data['Data'], $Data['Time'])) {
+                    return false;
+                }
+                if ($Data['Time'] > 0 && $Data['Time'] < \time()) {
+                    $this->clearExpiredPDO();
                     return false;
                 }
                 if (\substr($Data['Data'], 0, 3) === 'gz:') {
@@ -1397,7 +1400,7 @@ public function offsetExists($Offset): bool
             $PDO = $this->WorkingData->prepare(self::GET_QUERY);
             if ($PDO !== false && $PDO->execute([':key' => $Entry])) {
                 $Data = $PDO->fetch(\PDO::FETCH_ASSOC);
-                return isset($Data['Data']);
+                return isset($Data['Data'], $Data['Time']) && !($Data['Time'] > 0 && $Data['Time'] < \time());
             }
             return false;
         }