fixing PHP warnings

front/php/server/db.php

@@ -9,12 +9,38 @@
 //------------------------------------------------------------------------------
 
 // ## TimeZone processing
-$config_file = "../../../config/pialert.conf";
-$config_file_lines = file($config_file);
+$configFolderPath = "/home/pi/pialert/config/";
+$config_file = "pialert.conf";
+$logFolderPath = "/home/pi/pialert/front/log/";
+$log_file = "pialert_front.log";
+
+
+$fullConfPath = $configFolderPath.$config_file;
+
+$config_file_lines = file($fullConfPath);
 $config_file_lines_timezone = array_values(preg_grep('/^TIMEZONE\s.*/', $config_file_lines));
-$timezone_line = explode("'", $config_file_lines_timezone[0]);
-$Pia_TimeZone = $timezone_line[1];
-date_default_timezone_set($Pia_TimeZone);
+
+$timeZone = "";
+
+foreach ($config_file_lines as $line)
+{    
+  if( preg_match('/TIMEZONE(.*?)/', $line, $match) == 1 )
+  {        
+      if (preg_match('/\'(.*?)\'/', $line, $match) == 1) {          
+        $timeZone = $match[1];
+      }
+  }
+}
+
+if($timeZone == "")
+{
+  $timeZone = "Europe/Berlin";
+}
+
+date_default_timezone_set($timeZone);
+
+$date = new DateTime("now", new DateTimeZone($timeZone) );
+$timestamp = $date->format('Y-m-d_H-i-s');
 
 //------------------------------------------------------------------------------
 // DB File Path