fix PHP 7.1 notices "non well formed numeric value" #52

libs/load_average.php

@@ -14,7 +14,7 @@ else
 
     $load = array_map(
         function ($value, $cores) {
-            $v = (int)($value * 100 / $cores);
+            $v = (int)((float)$value * 100 / $cores);
             if ($v > 100)
                 $v = 100;
             return $v;

libs/memory.php

@@ -17,6 +17,7 @@ if (!($total = shell_exec('grep MemTotal /proc/meminfo | awk \'{print $2}\'')))
 {
     $total = 0;
 }
+$total = (int)$total;
 
 // Used
 $used = $total - $free;

libs/swap.php

@@ -6,12 +6,14 @@ if (!($free = shell_exec('grep SwapFree /proc/meminfo | awk \'{print $2}\'')))
 {
     $free = 0;
 }
+$free = (int)$free;
 
 // Total
 if (!($total = shell_exec('grep SwapTotal /proc/meminfo | awk \'{print $2}\'')))
 {
     $total = 0;
 }
+$total = (int)$total;
 
 // Used
 $used = $total - $free;

libs/system.php

@@ -35,7 +35,7 @@ if (!($totalSeconds = shell_exec('/usr/bin/cut -d. -f1 /proc/uptime')))
 }
 else
 {
-    $uptime = Misc::getHumanTime($totalSeconds);
+    $uptime = Misc::getHumanTime((int)$totalSeconds);
 }
 
 // Last boot