From cc95700b58f31f04470db8271a09d6e52ba9a63d Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Sun, 5 Feb 2006 15:38:51 +0000
Subject: Added message cache garbage collector

---
 program/include/rcube_shared.inc | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'program/include/rcube_shared.inc')

diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index a36458b00..fb200de57 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -1353,4 +1353,37 @@ function clear_directory($dir_path)
   }
 
 
+// create a unix timestamp with a specified offset from now
+function get_offset_time($offset_str, $factor=1)
+  {
+  if (preg_match('/^([0-9]+)\s*([smhdw])/i', $offset_str, $regs))
+    {
+    $amount = (int)$regs[1];
+    $unit = strtolower($regs[2]);
+    }
+  else
+    {
+    $amount = (int)$offset_str;
+    $unit = 's';
+    }
+    
+  $ts = mktime();
+  switch ($unit)
+    {
+    case 'w':
+      $amount *= 7;
+    case 'd':
+      $amount *= 24;
+    case 'h':
+      $amount *= 60;
+    case 'h':
+      $amount *= 60;
+    case 's':
+      $ts += $amount * $factor;
+    }
+
+  return $ts;
+  }
+
+
 ?>
\ No newline at end of file
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