避免时间戳相加整型溢出

top-think · Oct 14, 2019 · 63f1d0b · 63f1d0b
1 parent abaec03
commit 63f1d0b
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/think/cache/driver/File.php b/src/think/cache/driver/File.php
@@ -95,7 +95,7 @@ protected function getRaw(string $name)
 
         if (false !== $content) {
             $expire = (int) substr($content, 8, 12);
-            if (0 != $expire && time() > filemtime($filename) + $expire) {
+            if (0 != $expire && time() - $expire > filemtime($filename)) {
                 //缓存过期删除缓存文件
                 $this->unlink($filename);
                 return;

diff --git a/src/think/session/driver/File.php b/src/think/session/driver/File.php
@@ -77,7 +77,7 @@ public function gc(): void
         $now      = time();
 
         $files = $this->findFiles($this->config['path'], function (SplFileInfo $item) use ($lifetime, $now) {
-            return $now > $item->getMTime() + $lifetime;
+            return $now - $lifetime > $item->getMTime();
         });
 
         foreach ($files as $file) {