diff --git a/scripts/OpenSIPS/notifyLastSessions.php b/scripts/OpenSIPS/notifyLastSessions.php
index 377e1cc..373c7b7 100644
--- a/scripts/OpenSIPS/notifyLastSessions.php
+++ b/scripts/OpenSIPS/notifyLastSessions.php
@@ -1,21 +1,21 @@
 #!/usr/bin/php
-<?
-// send email to subscribers with the last sessions received in the last 24 hours
-// to notify a susbcriber add him to the missed_calls group
+<?php
+/**
+ * Send email to subscribers with the last sessions received in the last 24 hours
+ * to notify a susbcriber add him to the missed_calls group
+ */
 
 set_time_limit(0);
 
-require("/etc/cdrtool/global.inc");
-require("cdr_generic.php");
+require '/etc/cdrtool/global.inc';
+require 'cdr_generic.php';
 
-while (list($k,$v) = each($DATASOURCES)) {
+while (list($k, $v) = each($DATASOURCES)) {
     if (strlen($v["notifyLastSessions"])) {
-        $class_name=$v["class"];
+        $class_name = $v["class"];
 
         unset($CDRS);
         $CDRS = new $class_name($k);
         $CDRS->notifyLastSessions(200);
     }
 }
-
-?>
diff --git a/scripts/OpenSIPS/purgeSIPTrace.php b/scripts/OpenSIPS/purgeSIPTrace.php
index c46e3b8..a63192f 100644
--- a/scripts/OpenSIPS/purgeSIPTrace.php
+++ b/scripts/OpenSIPS/purgeSIPTrace.php
@@ -1,11 +1,8 @@
 #!/usr/bin/php
-<?
+<?php
 
-require("/etc/cdrtool/global.inc");
-require("cdr_generic.php");
+require '/etc/cdrtool/global.inc';
+require 'cdr_generic.php';
 
 $SipTrace = new SIP_trace("sip_trace");
-
 $SipTrace->purgeRecords();
-
-?>
diff --git a/scripts/OpenSIPS/purgeStalePrepaidSessions.php b/scripts/OpenSIPS/purgeStalePrepaidSessions.php
index 8d8c66d..56ba8ee 100644
--- a/scripts/OpenSIPS/purgeStalePrepaidSessions.php
+++ b/scripts/OpenSIPS/purgeStalePrepaidSessions.php
@@ -1,75 +1,88 @@
 #!/usr/bin/php
-<?
+<?php
 
-require("/etc/cdrtool/global.inc");
+require '/etc/cdrtool/global.inc';
 
-class PrepaidSessions {
-
-    function PrepaidSessions() {
+class PrepaidSessions
+{
+    public function PrepaidSessions()
+    {
         $this->db = new DB_cdrtool;
         $this->db1 = new DB_cdrtool;
     }
 
-    function removeStaleSessions() {
-        $query=sprintf("select * from prepaid where active_sessions <> ''");
-    
+    public function removeStaleSessions()
+    {
+        $query = sprintf("select * from prepaid where active_sessions <> ''");
+
         if (!$this->db->query($query)) {
-            $log=sprintf ("Database error for query '%s': %s (%s), link_id =%s, query_id =%s",$query,$this->db->Error,$this->db->Errno,$this->db->Link_ID,$this->db->Query_ID);
-            syslog(LOG_NOTICE,$log);
+            $log = sprintf(
+                "Database error for query '%s': %s (%s), link_id =%s, query_id =%s",
+                $query,
+                $this->db->Error,
+                $this->db->Errno,
+                $this->db->Link_ID,
+                $this->db->Query_ID
+            );
+            syslog(LOG_NOTICE, $log);
             return 0;
         }
 
         $j=0;
         $expired=0;
         $removed=0;
 
         while ($this->db->next_record()) {
             $account_expired=0;
-            $active_sessions = json_decode($this->db->f('active_sessions'),true);
-    
+            $active_sessions = json_decode($this->db->f('active_sessions'), true);
+
             if (count($active_sessions)) {
                 $active_sessions_new=array();
-    
+
                 foreach (array_keys($active_sessions) as $_session) {
                     $expired_since=time() - $active_sessions[$_session]['timestamp'] - $active_sessions[$_session]['MaxSessionTime'];
                     if ($expired_since > 120) {
                         $account_expired++;
-                        $log = sprintf ("Session %s for %s has expired since %d seconds\n",
-                        $_session,
-                        $active_sessions[$_session]['BillingPartyId'],
-                        $expired_since
+                        $log = sprintf(
+                            "Session %s for %s has expired since %d seconds\n",
+                            $_session,
+                            $active_sessions[$_session]['BillingPartyId'],
+                            $expired_since
                         );
                         print $log;
                         $expired++;
                     } else {
                         $active_sessions_new[$_session]=$active_sessions[$_session];
                     }
                 }
-        
+
                 if ($account_expired) {
-                    $query=sprintf("update prepaid set active_sessions = '%s', session_counter  = '%s' where account  = '%s'",
-                    addslashes(json_encode($active_sessions_new)),
-                    count($active_sessions_new),
-                    addslashes($this->db->f('account'))
+                    $query = sprintf(
+                        "update prepaid set active_sessions = '%s', session_counter  = '%s' where account  = '%s'",
+                        addslashes(json_encode($active_sessions_new)),
+                        count($active_sessions_new),
+                        addslashes($this->db->f('account'))
                     );
 
                     if (!$this->db1->query($query)) {
-                        $log=sprintf ("Database error for %s: %s (%s)",$query,$this->db1->Error,$this->db1->Errno);
+                        $log = sprintf("Database error for %s: %s (%s)", $query, $this->db1->Error, $this->db1->Errno);
                         print $log;
                     } else {
                         $removed++;
                     }
                 }
-
             }
             $j++;
         }
 
-        printf ("%d prepaid accounts parsed, %d sessions were stale and %d account were updated\n", $j, $expired, $removed);
+        printf(
+            "%d prepaid accounts parsed, %d sessions were stale and %d account were updated\n",
+            $j,
+            $expired,
+            $removed
+        );
     }
 }
 
 $PrepaidSessions = new PrepaidSessions();
 $PrepaidSessions->removeStaleSessions();
-
-?>
diff --git a/scripts/OpenSIPS/quotaCheck.php b/scripts/OpenSIPS/quotaCheck.php
index 6ecffbe..1eb5bbd 100644
--- a/scripts/OpenSIPS/quotaCheck.php
+++ b/scripts/OpenSIPS/quotaCheck.php
@@ -1,68 +1,70 @@
 #!/usr/bin/php
-<?
-# This script blocks accounts in OpenSIPS
-# based on platform wide or user specified quota
-# - quota can be specified in opensips.subscriber.quota
-# - account is blocked by adding SIP account in group quota
-#   and configuring opensips.cfg to reject calls from such users
-# - Blocked Users must be deblocked manualy and their quota
-#   must be changed to a higher value otherwise
-#   subscriber gets blocked again at the next script run
-# - Add this script to cron to run every 5 minutes
-# - Notifications are sent once to subscribers
-#$verbose=1;
+<?php
+/**
+ * This script blocks accounts in OpenSIPS
+ * based on platform wide or user specified quota
+ * - quota can be specified in opensips.subscriber.quota
+ * - account is blocked by adding SIP account in group quota
+ *   and configuring opensips.cfg to reject calls from such users
+ * - Blocked Users must be deblocked manualy and their quota
+ *   must be changed to a higher value otherwise
+ *   subscriber gets blocked again at the next script run
+ * - Add this script to cron to run every 5 minutes
+ * - Notifications are sent once to subscribers
+ */
+
+//$verbose=1;
 set_time_limit(0);
 
-require("/etc/cdrtool/global.inc");
-require("cdr_generic.php");
-require("rating.php");
+require '/etc/cdrtool/global.inc';
+require 'cdr_generic.php';
+require 'rating.php';
 
-$b=time();
+$b = time();
 
-$lockFile=sprintf("/var/lock/CDRTool_QuotaCheck.lock");
+$lockFile = sprintf("/var/lock/CDRTool_QuotaCheck.lock");
 
-$abort_text="Another check is in progress. Try again later.\n";
+$abort_text = "Another check is in progress. Try again later.\n";
 
-$f=fopen($lockFile,"w");
+$f = fopen($lockFile, "w");
 if (flock($f, LOCK_EX + LOCK_NB, $w)) {
     if ($w) {
         print $abort_text;
-        syslog(LOG_NOTICE,$abort_text);
+        syslog(LOG_NOTICE, $abort_text);
         exit(2);
     }
 } else {
     print $abort_text;
-    syslog(LOG_NOTICE,$abort_text);
+    syslog(LOG_NOTICE, $abort_text);
     exit(1);
 }
 
-while (list($k,$v) = each($DATASOURCES)) {
+while (list($k, $v) = each($DATASOURCES)) {
     if (strlen($v["UserQuotaClass"])) {
-
         unset($CDRS);
-        $class_name=$v["class"];
+        $class_name = $v["class"];
         $CDRS = new $class_name($k);
 
         $Quota_class = $v["UserQuotaClass"];
 
-		$log=sprintf("Checking user quotas for data source %s\n",$v['name']);
-        syslog(LOG_NOTICE,$log);
+        $log=sprintf("Checking user quotas for data source %s\n", $v['name']);
+        syslog(LOG_NOTICE, $log);
         //print $log;
 
         $Quota = new $Quota_class($CDRS);
         $Quota->checkQuota($v['UserQuotaNotify']);
-        $d=time()-$b;
+        $d = time() - $b;
         if ($d > 5) {
-        	$log=sprintf("Runtime: %d s",$d);
-        	syslog(LOG_NOTICE,$log);
+            $log = sprintf("Runtime: %d s", $d);
+            syslog(LOG_NOTICE, $log);
         }
-	}
+    }
 }
 
-function deleteQuotaCheckLockfile($lockFile) {
-	if (!unlink($lockFile)) {
-    	print "Error: cannot delete lock file $lockFile. Aborting.\n";
-    	syslog(LOG_NOTICE,"Error: cannot delete lock file $lockFile");
-	}
+function deleteQuotaCheckLockfile($lockFile)
+{
+    if (!unlink($lockFile)) {
+        print "Error: cannot delete lock file $lockFile. Aborting.\n";
+        syslog(LOG_NOTICE, "Error: cannot delete lock file $lockFile");
+    }
 }
-
diff --git a/scripts/OpenSIPS/quotaDailyReset.php b/scripts/OpenSIPS/quotaDailyReset.php
index ab727f3..f18bed7 100644
--- a/scripts/OpenSIPS/quotaDailyReset.php
+++ b/scripts/OpenSIPS/quotaDailyReset.php
@@ -1,26 +1,26 @@
 #!/usr/bin/php
-<?
-# this script resets the daily quota system
-# this script must be run once at the beginning of each day
+<?php
+/**
+ * This script resets the daily quota system
+ * This script must be run once at the beginning of each day
+ */
 
-require("/etc/cdrtool/global.inc");
-require("cdr_generic.php");
-require("rating.php");
+require '/etc/cdrtool/global.inc';
+require 'cdr_generic.php';
+require 'rating.php';
 
-while (list($k,$v) = each($DATASOURCES)) {
+while (list($k, $v) = each($DATASOURCES)) {
     if (strlen($v["UserQuotaClass"])) {
-
         unset($CDRS);
-        $class_name=$v["class"];
+        $class_name = $v["class"];
         $CDRS = new $class_name($k);
 
         $Quota_class = $v["UserQuotaClass"];
 
-		$log=sprintf("Reset daily user quotas for data source %s\n",$v['name']);
-        syslog(LOG_NOTICE,$log);
+        $log=sprintf("Reset daily user quotas for data source %s\n", $v['name']);
+        syslog(LOG_NOTICE, $log);
 
         $Quota = new $Quota_class($CDRS);
-		$Quota->resetDailyQuota();
-	}
+        $Quota->resetDailyQuota();
+    }
 }
-?>
diff --git a/scripts/OpenSIPS/quotaDeblock.php b/scripts/OpenSIPS/quotaDeblock.php
index bbfcda7..8b3674e 100644
--- a/scripts/OpenSIPS/quotaDeblock.php
+++ b/scripts/OpenSIPS/quotaDeblock.php
@@ -1,66 +1,68 @@
 #!/usr/bin/php
-<?
-# This script blocks accounts in OpenSIPS
-# based on platform wide or user specified quota
-# - quota can be specified in opensips.subscriber.quota
-# - account is blocked by adding SIP account in group quota
-#   and configuring opensips.cfg to reject calls from such users
-# - Blocked Users must be deblocked manualy and their quota
-#   must be changed to a higher value otherwise
-#   subscriber gets blocked again at the next script run
-# - Add this script to cron to run every 5 minutes
-# - Notifications are sent once to subscribers
-#$verbose=1;
+<?php
+/**
+ * This script blocks accounts in OpenSIPS
+ * based on platform wide or user specified quota
+ * - quota can be specified in opensips.subscriber.quota
+ * - account is blocked by adding SIP account in group quota
+ *   and configuring opensips.cfg to reject calls from such users
+ * - Blocked Users must be deblocked manualy and their quota
+ *   must be changed to a higher value otherwise
+ *   subscriber gets blocked again at the next script run
+ * - Add this script to cron to run every 5 minutes
+ * - Notifications are sent once to subscribers
+ */
+
+// $verbose=1;
 set_time_limit(0);
 
-require("/etc/cdrtool/global.inc");
-require("cdr_generic.php");
-require("rating.php");
+require '/etc/cdrtool/global.inc';
+require 'cdr_generic.php';
+require 'rating.php';
 
-$b=time();
+$b = time();
 
-$lockFile=sprintf("/var/lock/CDRTool_QuotaDeblock.lock");
+$lockFile = sprintf("/var/lock/CDRTool_QuotaDeblock.lock");
 
-$abort_text="Another deblock process is in progress. Try again later.\n";
+$abort_text = "Another deblock process is in progress. Try again later.\n";
 
-$f=fopen($lockFile,"w");
+$f = fopen($lockFile, "w");
 if (flock($f, LOCK_EX + LOCK_NB, $w)) {
     if ($w) {
         print $abort_text;
-        syslog(LOG_NOTICE,$abort_text);
+        syslog(LOG_NOTICE, $abort_text);
         exit(2);
     }
 } else {
     print $abort_text;
-    syslog(LOG_NOTICE,$abort_text);
+    syslog(LOG_NOTICE, $abort_text);
     exit(1);
 }
 
-while (list($k,$v) = each($DATASOURCES)) {
+while (list($k, $v) = each($DATASOURCES)) {
     if (strlen($v["UserQuotaClass"])) {
-
         unset($CDRS);
-        $class_name=$v["class"];
+        $class_name = $v["class"];
         $CDRS = new $class_name($k);
 
         $Quota_class = $v["UserQuotaClass"];
 
-		$log=sprintf("Checking user quotas for data source %s\n",$v['name']);
-        syslog(LOG_NOTICE,$log);
+        $log = sprintf("Checking user quotas for data source %s\n", $v['name']);
+        syslog(LOG_NOTICE, $log);
         //print $log;
 
         $Quota = new $Quota_class($CDRS);
         $Quota->deblockAccounts();
-        $d=time()-$b;
-        $log=sprintf("Runtime: %d s",$d);
-        syslog(LOG_NOTICE,$log);
-	}
+        $d = time()-$b;
+        $log = sprintf("Runtime: %d s", $d);
+        syslog(LOG_NOTICE, $log);
+    }
 }
 
-function deleteQuotaDeblock($lockFile) {
-	if (!unlink($lockFile)) {
-    	print "Error: cannot delete lock file $lockFile. Aborting.\n";
-    	syslog(LOG_NOTICE,"Error: cannot delete lock file $lockFile");
-	}
+function deleteQuotaDeblock($lockFile)
+{
+    if (!unlink($lockFile)) {
+        print "Error: cannot delete lock file $lockFile. Aborting.\n";
+        syslog(LOG_NOTICE, "Error: cannot delete lock file $lockFile");
+    }
 }
-
diff --git a/scripts/OpenSIPS/quotaReset.php b/scripts/OpenSIPS/quotaReset.php
index 222fdb9..d2164c8 100644
--- a/scripts/OpenSIPS/quotaReset.php
+++ b/scripts/OpenSIPS/quotaReset.php
@@ -1,27 +1,27 @@
 #!/usr/bin/php
-<?
-# this script resets the quota system 
-# this script must be run once at the beginning of the calendar month
+<?php
+/**
+ * This script resets the quota system
+ * This script must be run once at the beginning of the calendar month
+ */
 
-require("/etc/cdrtool/global.inc");
-require("cdr_generic.php");
-require("rating.php");
+require '/etc/cdrtool/global.inc';
+require 'cdr_generic.php';
+require 'rating.php';
 
-while (list($k,$v) = each($DATASOURCES)) {
+while (list($k, $v) = each($DATASOURCES)) {
     if (strlen($v["UserQuotaClass"])) {
-
         unset($CDRS);
-        $class_name=$v["class"];
+        $class_name = $v["class"];
         $CDRS = new $class_name($k);
 
         $Quota_class = $v["UserQuotaClass"];
 
-		$log=sprintf("Reset user quotas for data source %s\n",$v['name']);
-        syslog(LOG_NOTICE,$log);
+        $log = sprintf("Reset user quotas for data source %s\n", $v['name']);
+        syslog(LOG_NOTICE, $log);
         //print $log;
 
         $Quota = new $Quota_class($CDRS);
-		$Quota->deleteQuotaInitFlag();
-	}
+        $Quota->deleteQuotaInitFlag();
+    }
 }
-?>
diff --git a/scripts/OpenSIPS/quotaShowAccounts.php b/scripts/OpenSIPS/quotaShowAccounts.php
index fa13c2b..82eea13 100644
--- a/scripts/OpenSIPS/quotaShowAccounts.php
+++ b/scripts/OpenSIPS/quotaShowAccounts.php
@@ -1,36 +1,33 @@
 #!/usr/bin/php
-<?
-require("/etc/cdrtool/global.inc");
-require("cdr_generic.php");
-require("rating.php");
+<?php
+require '/etc/cdrtool/global.inc';
+require 'cdr_generic.php';
+require 'rating.php';
 
 if (!count($argv) || count($argv) != 2) {
-    printf ("Syntax: %s treshhold\n",$_SERVER['PHP_SELF']);
+    printf("Syntax: %s treshhold\n", $_SERVER['PHP_SELF']);
     print "Accounts with quota usage percentage greater than the treshhold will be showed.\n";
     return 0;
 }
 
-if (!preg_match("/^\d{1,2}$/",$argv[1])) {
+if (!preg_match("/^\d{1,2}$/", $argv[1])) {
     print "Error: treshold must be an integer between 0 and 100\n";
     return 0;
 }
 
-while (list($k,$v) = each($DATASOURCES)) {
+while (list($k, $v) = each($DATASOURCES)) {
     if (strlen($v["UserQuotaClass"])) {
-
         unset($CDRS);
-        $class_name=$v["class"];
+        $class_name = $v["class"];
         $CDRS = new $class_name($k);
 
         $Quota_class = $v["UserQuotaClass"];
 
-		$log=sprintf("Checking user quotas for data source %s\n",$v['name']);
-        syslog(LOG_NOTICE,$log);
+        $log=sprintf("Checking user quotas for data source %s\n", $v['name']);
+        syslog(LOG_NOTICE, $log);
         //print $log;
 
         $Quota = new $Quota_class($CDRS);
-		$Quota->showAccountsWithQuota($argv[1]);
-	}
+        $Quota->showAccountsWithQuota($argv[1]);
+    }
 }
-
-?>
diff --git a/scripts/OpenSIPS/rotateTables.php b/scripts/OpenSIPS/rotateTables.php
index 58197a4..45e0e55 100644
--- a/scripts/OpenSIPS/rotateTables.php
+++ b/scripts/OpenSIPS/rotateTables.php
@@ -1,24 +1,23 @@
 #!/usr/bin/php
-<?
-
-# this script creates monthly tables radacctYYYYMM
-# and copies CDR data from radacct table into it 
-
-# this script must run daily during a window of low traffic
-
-# Note:
-# This script has not been tested anymore since the auto-rotation performed by
-# the MySQL stored procedures has been introduced in version 5.0
-
-
-require("/etc/cdrtool/global.inc");
-require("cdr_generic.php");
-require("rating.php");
+<?php
+
+/**
+ * This script creates monthly tables radacctYYYYMM
+ * and copies CDR data from radacct table into it
+ *
+ * This script must run daily during a window of low traffic
+ *
+ * Note:
+ * This script has not been tested anymore since the auto-rotation performed by
+ * he MySQL stored procedures has been introduced in version 5.0
+ */
+
+require '/etc/cdrtool/global.inc';
+require 'cdr_generic.php';
+require 'rating.php';
 
 $cdr_source     = "opensips_radius";
 $CDR_class      = $DATASOURCES[$cdr_source]["class"];
 $CDRS           = new $CDR_class($cdr_source);
 
-$CDRS->rotateTable($argv[1],$argv[2],$argv[3]);
-
-?>
+$CDRS->rotateTable($argv[1], $argv[2], $argv[3]);