Handle zero in getCol()

diff --git a/lib/DB.php b/lib/DB.php
index 51fd49fc228329c87e0055a0741d529f20bb1aa2..fe2529b2173d5e9226e6bf2f0e22ab88abe8c56b 100644 (file)
--- a/lib/DB.php
+++ b/lib/DB.php
@@ -135,7 +135,7 @@ class DB
         try {
             $stmt = $this->getQueryStatement($sSQL, $aInputVars, $sErrMessage);
 
-            while ($val = $stmt->fetchColumn(0)) { // returns first column or false
+            while (($val = $stmt->fetchColumn(0)) !== false) { // returns first column or false
                 $aVals[] = $val;
             }
         } catch (\PDOException $e) {