Add comment to cache file driver.

2011-08-02 11:57:01 -05:00 · 2011-08-02 11:57:01 -05:00 · 5f0ffe135d
parent 7e28433a61
commit 5f0ffe135d
1 changed files with 2 additions and 0 deletions
--- a/system/cache/file.php
+++ b/system/cache/file.php
@ -29,6 +29,8 @@ public function get($key)

 		$cache = file_get_contents(CACHE_PATH.$key);

+		// The cache expiration date is stored as a UNIX timestamp at the beginning
+		// of the cache file. We'll extract it out and check it here.
 		if (time() >= substr($cache, 0, 10))
 		{
 			$this->forget($key);