Fix division by zero. (#184)

colinmollenhour · Aug 25, 2021 · c8b249b · c8b249b
1 parent 471e9af
commit c8b249b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/migrateSessions.php b/migrateSessions.php
@@ -95,7 +95,7 @@
 
 $reasons = ($expired || $noData ? " ($expired expired, $noData no data)" : '');
 if ($test) {
-  printf("Can migrate %d of %d sessions%s. Compressed from %d to %d (%.5f%% savings) in %.5f seconds\n", $migrated, $i, $reasons, $beforeSize, $afterSize, (($beforeSize-$afterSize)/$beforeSize)*100, $elapsedTime);
+  printf("Can migrate %d of %d sessions%s. Compressed from %d to %d (%.5f%% savings) in %.5f seconds\n", $migrated, $i, $reasons, $beforeSize, $afterSize, $beforeSize == 0 ? 0 : (($beforeSize-$afterSize)/$beforeSize)*100, $elapsedTime);
 } else {
   printf("Migrated %d of %d session files in %.5f seconds%s\n", $migrated, $i, $elapsedTime, $reasons);
   Mage::app()->cleanCache(Mage_Core_Model_Config::CACHE_TAG);