From cb3c802785dd70eb500d881fa5adff2b03e4b988 Mon Sep 17 00:00:00 2001
From: keddyassociates <33474672+keddyassociates@users.noreply.github.com>
Date: Wed, 6 Dec 2017 04:45:09 -0500
Subject: [PATCH] Resolve unlink() error

Resolves unlink() errors that occur when concurrent requests for a cache file results in one unlink() call being successful while other unlink() calls result in a PHP error being thrown.
---
 src/xPDO/Cache/xPDOCacheManager.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/xPDO/Cache/xPDOCacheManager.php b/src/xPDO/Cache/xPDOCacheManager.php
index 3bf67986..6e90fd48 100644
--- a/src/xPDO/Cache/xPDOCacheManager.php
+++ b/src/xPDO/Cache/xPDOCacheManager.php
@@ -495,10 +495,12 @@ public function deleteTree($dirname, $options= array('deleteTop' => false, 'skip
                             }
                             elseif (is_file($path)) {
                                 if (is_array($extensions) && !empty($extensions) && !$this->endsWith($file, $extensions)) continue;
-                                if (unlink($path)) {
-                                    array_push($result, $path);
-                                } else {
-                                    $hasMore= true;
+                                if(file_exists($path)){
+                                    if (unlink($path)) {
+                                        array_push($result, $path);
+                                    } else {
+                                        $hasMore= true;
+                                    }
                                 }
                             }
                         }