computer-time-limit.php: use a single time

1 files changed, 7 insertions, 6 deletions

diff --git a/computer-time-limit.php b/computer-time-limit.php
index fd23b30..b81081d 100644
--- a/computer-time-limit.php
+++ b/computer-time-limit.php
@@ -1,10 +1,11 @@
 <?php
 
 $db = new SQLite3('../backstage/computer-time-limit/computer-time-limit.sqlite');
+$now = time();
 
 function log_to_file($line) {
   $handle = fopen('../backstage/computer-time-limit/log', 'a');
-  fwrite($handle, time() . ' ' . $line . "\n");
+  fwrite($handle, $now . ' ' . $line . "\n");
   fclose($handle);
 }
 
@@ -46,9 +47,9 @@ if (array_key_exists('msg', $_POST) && array_key_exists('sig', $_POST)) {
     $aktiv = 0;
     $bis = $von;
   }
-  $bis = $bis + 30*60*(floor(time()/60/60/24) - floor($von/60/60/24));
+  $bis = $bis + 30*60*(floor($now/60/60/24) - floor($von/60/60/24));
   if ($aktiv) {
-    $von = time();
+    $von = $now;
   }
   $noch = $bis - $von;
   if ($noch < 0) {
@@ -76,8 +77,8 @@ if (array_key_exists('msg', $_POST) && array_key_exists('sig', $_POST)) {
   if ($noch == 0) {
     $aktiv = 0;
   }
-  $von = date('Y-m-d H:i:s', time());
-  $bis = date('Y-m-d H:i:s', time() + $noch);
+  $von = date('Y-m-d H:i:s', $now);
+  $bis = date('Y-m-d H:i:s', $now + $noch);
   log_to_file('to_db ' . $key . ' ' . $aktiv . ' ' . $von . ' ' . $bis);
   $db -> exec(
     'UPDATE `computer_time`' .
@@ -98,7 +99,7 @@ while ($row = $result->fetchArray()) {
   $bis = strtotime($row['bis']);
   $von = strtotime($row['von']);
   if ($row['aktiv']) {
-    $von = time();
+    $von = $now;
   }
   $noch = $bis - $von;