1 files changed, 6 insertions, 6 deletions

diff --git a/buildmaster/statistics.php b/buildmaster/statistics.php
index 4f2398b..05d06c6 100644
--- a/buildmaster/statistics.php
+++ b/buildmaster/statistics.php
@@ -133,9 +133,9 @@ function print_graph($data, $color) {
       ImageLine(
         $im,
         scale($last_t,$t_min,$t_max,$width-2*$border,false)+$border+$legend_line_length,
-        scale($last_val,0,$val_max,-$height+2*$border,isset($_GET["log"]))+$border,
+        scale($last_val,0,$val_max,-$height+2*$border,array_key_exists("log", $_GET))+$border,
         scale($t,$t_min,$t_max,$width-2*$border,false)+$border+$legend_line_length,
-        scale($val,0,$val_max,-$height+2*$border,isset($_GET["log"]))+$border,
+        scale($val,0,$val_max,-$height+2*$border,array_key_exists("log", $_GET))+$border,
         $color
       );
     $last_t = $t;
@@ -145,7 +145,7 @@ function print_graph($data, $color) {
     $im,
     5,
     $width+$legend_line_length,
-    scale($last_val,0,$val_max,-$height+2*$border,isset($_GET["log"]))+$border - ImageFontHeight(5)/2,
+    scale($last_val,0,$val_max,-$height+2*$border,array_key_exists("log", $_GET))+$border - ImageFontHeight(5)/2,
     " ".$data[$t_max],
     $color
   );
@@ -178,12 +178,12 @@ for ($val=0; $val<=$val_max;) {
   ImageLine(
     $im,
     0,
-    scale($val,0,$val_max,-$height+2*$border,isset($_GET["log"]))+$border,
+    scale($val,0,$val_max,-$height+2*$border,array_key_exists("log", $_GET))+$border,
     $legend_line_length,
-    scale($val,0,$val_max,-$height+2*$border,isset($_GET["log"]))+$border,
+    scale($val,0,$val_max,-$height+2*$border,array_key_exists("log", $_GET))+$border,
     $foreground_color
   );
-  if (! isset($_GET["log"]))
+  if (! array_key_exists("log", $_GET))
     $val+=pow(10,round(log($val_max)/log(10))-1);
   elseif ($val==0)
     $val++;