diff --git a/public_html/appmonitor/classes/appmonitor-checks.class.php b/public_html/appmonitor/classes/appmonitor-checks.class.php
old mode 100644
new mode 100755
index 525aed631b57ab5c127226b72e45dda8e9dde1a7..dfff0ea6cb859808aacf89ff647b5122ee2886c6
--- a/public_html/appmonitor/classes/appmonitor-checks.class.php
+++ b/public_html/appmonitor/classes/appmonitor-checks.class.php
@@ -50,8 +50,9 @@ if(!defined('RESULT_OK')){
  * 2019-06-05  0.88  axel.hahn@iml.unibe.ch  add plugins<br>
  * 2021-10-28  0.93  axel.hahn@iml.unibe.ch  add plugins<br>
  * 2021-12-14  0.93  axel.hahn@iml.unibe.ch  split plugins into single files; added key group in a check<br>
+ * 2023-06-02  0.125 axel.hahn@unibe.ch      replace array_key_exists for better readability
  * --------------------------------------------------------------------------------<br>
- * @version 0.99
+ * @version 0.125
  * @author Axel Hahn
  * @link TODO
  * @license GPL
@@ -63,24 +64,30 @@ class appmonitorcheck {
     // CONFIG
     // ----------------------------------------------------------------------
     
+    /**
+     * starting time using microtime
+     * @var float|string
+     */
+    protected $_iStart=0;
+
     /**
      * config container
      * @var array
      */
-    protected $_aConfig = array();
+    protected $_aConfig = [];
 
     /**
      * data of all checks
      * @var array
      */
-    protected $_aData = array();
+    protected $_aData = [];
     
 
     /**
      * flat array with units for sizes
      * @var array
      */
-    protected $_units = array( 'B', 'KB', 'MB', 'GB', 'TB');
+    protected $_units = [ 'B', 'KB', 'MB', 'GB', 'TB' ];
     
     /**
      * timeout in sec for tcp socket connections
@@ -115,7 +122,7 @@ class appmonitorcheck {
      */
     protected function _createDefaultMetadata() {
 
-        $this->_aData = array(
+        $this->_aData = [
             "name" => $this->_aConfig["name"],
             "description" => $this->_aConfig["description"],
             "group" => isset($this->_aConfig["group"]) ? $this->_aConfig["group"] : false,
@@ -124,7 +131,7 @@ class appmonitorcheck {
             "value" => false,
             "type" => false,
             "time" => false,
-        );
+        ];
         return true;
     }
 
@@ -153,7 +160,7 @@ class appmonitorcheck {
      */
     protected function _setCounter($aParams){
         if(is_array($aParams) && count($aParams)){
-            foreach(array('type', 'count', 'visual') as $sMyKey){
+            foreach([ 'type', 'count', 'visual' ] as $sMyKey){
                 if(isset($aParams[$sMyKey])){
                     $this->_aData[$sMyKey]=$aParams[$sMyKey];
                 }
@@ -169,7 +176,7 @@ class appmonitorcheck {
      * @param array    $aCounter  optional: counter with array keys type, count, visual
      * @return boolean
      */
-    protected function _setReturn($iResult, $s, $aCounter=array()) {
+    protected function _setReturn($iResult, $s, $aCounter=[]) {
         $this->_setResult($iResult);
         $this->_setOutput($s);
         $this->_setCounter($aCounter);
@@ -184,7 +191,7 @@ class appmonitorcheck {
      */
     protected function _checkArrayKeys($aConfig, $sKeyList) {
         foreach (explode(",", $sKeyList) as $sKey) {
-            if (!array_key_exists($sKey, $aConfig)) {
+            if (!isset($aConfig[$sKey])) {
                 header('HTTP/1.0 503 Service Unavailable');
                 die('<h1>503 Service Unavailable</h1>'
                         . '<h2>Details</h2>'
@@ -212,15 +219,15 @@ class appmonitorcheck {
      * perform a check
      * @param type $aConfig
      * Array
-     * (
+     * [
      *     [name] => Dummy
      *     [description] => Dummy Test
-     *     [check] => array(
+     *     [check] => [
      *         [function] => [check function] // i.e. Simple
      *         [params] => [array]            // optional; arguments for Check function
      *                                        // its keys depend on the function  
-     *     )
-     * )
+     *     ]
+     * ]
      * 
      * @return array
      */
@@ -233,7 +240,7 @@ class appmonitorcheck {
         $this->_createDefaultMetadata();
 
         $sCheck = preg_replace('/[^a-zA-Z0-9]/', '', $this->_aConfig["check"]["function"]);
-        $aParams = array_key_exists("params", $this->_aConfig["check"]) ? $this->_aConfig["check"]["params"] : array();
+        $aParams = $this->_aConfig["check"]["params"] ?? [];
         
         // try to load as plugin from a plugin file
         $sPluginFile= strtolower($this->_sPluginDir.'/checks/'.$sCheck.'.php');
@@ -276,7 +283,7 @@ class appmonitorcheck {
             );
         }
         if(!isset($aResponse[2])){
-            $aResponse[2]=array();
+            $aResponse[2]=[];
         }
         $this->_setReturn($aResponse[0], $aResponse[1], $aResponse[2]);
         if (!$this->_aData['group'] && method_exists($oPlugin, "getGroup")){
@@ -295,7 +302,7 @@ class appmonitorcheck {
      * @return array
      */
     public function listChecks() {
-        $aReturn = array();
+        $aReturn = [];
         // return internal protected fuctions named "check[whatever]"
         $class = new ReflectionClass($this);
         foreach ($class->getMethods(ReflectionMethod::IS_PROTECTED) as $oReflectionMethod) {
@@ -336,24 +343,24 @@ class appmonitorcheck {
         $sHost = isset($aUrldata['host']) ? $aUrldata['host'] : false;
         $iPort = isset($aUrldata['port']) ? $aUrldata['port'] : ((isset($aUrldata['scheme']) && $aUrldata['scheme'] === 'https') ? 443 : false);
 
-        $aSsl=array('capture_peer_cert' => true);
+        $aSsl=['capture_peer_cert' => true ];
         if($bVerifyCert){
             $aSsl['verify_peer']=false;
             $aSsl['verify_peer_name']=false;
         };
-        $get = stream_context_create(array('ssl' => $aSsl));
+        $get = stream_context_create([ 'ssl' => $aSsl ]);
         if(!$get){
-            return array('_error' => 'Error: Cannot create stream_context');
+            return [ '_error' => 'Error: Cannot create stream_context' ];
         }
         $errno=-1;
         $errstr="stream_socket_client failed.";
         $read = stream_socket_client("ssl://$sHost:$iPort", $errno, $errstr, $iTimeout, STREAM_CLIENT_CONNECT, $get);
         if(!$read){
-            return array('_error' => "Error $errno: $errstr; cannot create stream_socket_client with given stream_context to ssl://$sHost:$iPort; you can try to set the flag [verify] to false to check expiration date only.");
+            return [ '_error' => "Error $errno: $errstr; cannot create stream_socket_client with given stream_context to ssl://$sHost:$iPort; you can try to set the flag [verify] to false to check expiration date only." ];
         }
         $cert = stream_context_get_params($read);
         if(!$cert){
-            return array('_error' => "Error: socket was connected to ssl://$sHost:$iPort - but I cannot read certificate infos with stream_context_get_params ");
+            return [ '_error' => "Error: socket was connected to ssl://$sHost:$iPort - but I cannot read certificate infos with stream_context_get_params " ];
         }
         $certinfo = openssl_x509_parse($cert['options']['ssl']['peer_certificate']);
         return $certinfo;
@@ -362,7 +369,7 @@ class appmonitorcheck {
 
     /**
      * get human readable space value
-     * @param type $size
+     * @param integer $size
      * @return string
      */
     protected function _getHrSize($size){
@@ -371,7 +378,7 @@ class appmonitorcheck {
     }
     /**
      * get a space in a real value if an integer has added MB|GB|...
-     * @param type $sValue
+     * @param string $sValue
      * @return integer
      */
     protected function _getSize($sValue){
@@ -399,12 +406,12 @@ class appmonitorcheck {
     
     /**
      * compare function for 2 values
-     * @param any      $verifyValue  search value
+     * @param string   $verifyValue  search value
      * @param string   $sCompare     compare function; it is one of
      *                               IS - 
      *                               GE - greater or equal
      *                               GT - greater
-     * @param any      $value        existing value
+     * @param string   $value        existing value
      * @return boolean
      */
     protected function _compare($value, $sCompare, $verifyValue){
diff --git a/public_html/appmonitor/classes/appmonitor-client.class.php b/public_html/appmonitor/classes/appmonitor-client.class.php
old mode 100644
new mode 100755
index 711c8e457f2bdd56708d42c8d2a611d6d8a1cf4f..7b026cf6f9f2d18f504148e6983d5844944450ee
--- a/public_html/appmonitor/classes/appmonitor-client.class.php
+++ b/public_html/appmonitor/classes/appmonitor-client.class.php
@@ -75,14 +75,14 @@ class appmonitor {
      * @see _createDefaultMetadata()
      * @var array
      */
-    protected $_aMeta = array();
+    protected $_aMeta = [];
 
     /**
      * repended array of all checks
      * @see addCheck()
      * @var array
      */
-    protected $_aChecks = array();
+    protected $_aChecks = [];
     
     /**
      * for time measurements: start time
@@ -107,14 +107,14 @@ class appmonitor {
      */
     protected function _createDefaultMetadata() {
         $this->_iStart = microtime(true);
-        $this->_aMeta = array(
+        $this->_aMeta = [
             "host" => false,
             "website" => false,
             "ttl" => false,
             "result" => false,
             "time" => false,
             "version" => $this->_sVersion,
-        );
+        ];
 
         // fill with default values
         $this->setHost();
@@ -192,7 +192,7 @@ class appmonitor {
      * @param type $aJob
      * @return type
      */
-    public function addCheck($aJob = array()) {
+    public function addCheck($aJob = []) {
 
         require_once 'appmonitor-checks.class.php';
         $oCheck = new appmonitorcheck();
@@ -221,10 +221,10 @@ class appmonitor {
     protected function _addNotification($sType, $sValue, $sKey = false) {
         $sTypeCleaned = preg_replace('/[^a-z]/', '', strtolower($sType));
         if (!isset($this->_aMeta['notifications'])) {
-            $this->_aMeta['notifications'] = array();
+            $this->_aMeta['notifications'] = [];
         }
         if (!isset($this->_aMeta['notifications'][$sTypeCleaned])) {
-            $this->_aMeta['notifications'][$sTypeCleaned] = array();
+            $this->_aMeta['notifications'][$sTypeCleaned] = [];
         }
         if ($sKey) {
             $this->_aMeta['notifications'][$sTypeCleaned][$sKey] = $sValue;
@@ -262,7 +262,7 @@ class appmonitor {
      */
     public function addTag($sTag) {
         if(!isset($this->_aMeta['tags'])){
-            $this->_aMeta['tags']=array();
+            $this->_aMeta['tags']=[];
         }
         $this->_aMeta['tags'][]=$sTag;
         return true;
@@ -277,7 +277,7 @@ class appmonitor {
      *                            the ip must match from the beginning, i.e.
      *                            "127.0." will allow requests from 127.0.X.Y
      */
-    public function checkIp($aAllowedIps = array()) {
+    public function checkIp($aAllowedIps = []) {
         if (!isset($_SERVER['REMOTE_ADDR']) || !count($aAllowedIps)) {
             return true;
         }
@@ -335,7 +335,7 @@ class appmonitor {
      * verify array values and in case of an error abort and show all found errors
      */
     protected function _checkData() {
-        $aErrors = array();
+        $aErrors = [];
 
         if (!count($this->_aChecks)) {
             $aErrors[] = "No checks have been defined.";
@@ -372,10 +372,10 @@ class appmonitor {
      * @return type
      */
     public function getResults() {
-        return array(
+        return [
             "meta" => $this->_aMeta,
             "checks" => $this->_aChecks,
-        );
+        ];
     }
 
     /**
@@ -397,12 +397,12 @@ class appmonitor {
         } else {
             $sOut = json_encode($this->getResults(), JSON_PRETTY_PRINT);
             if ($bHighlight) {
-                $aMsg = array(
+                $aMsg = [
                     0 => "OK",
                     1 => "UNKNOWN",
                     2 => "WARNING",
                     3 => "ERROR"
-                );
+                ];
                 foreach (array_keys($aMsg) as $iCode) {
                     $sOut = preg_replace('/(\"result\":\ ' . $iCode . ')/', '$1 <span class="result' . $iCode . '"> &lt;--- ' . $aMsg[$iCode] . ' </span>', $sOut);
                 }
@@ -464,12 +464,12 @@ class appmonitor {
         header('Content-type: text/html');
         header('Cache-Control: cache');
         header('max-age: ' . $this->_aMeta["ttl"]);
-        $aMsg = array(
+        $aMsg = [
             0 => "OK",
             1 => "UNKNOWN",
             2 => "WARNING",
             3 => "ERROR"
-        );
+        ];
 
         // $sOut = print_r($sJson, 1);
         $aData= json_decode($sJson, 1);
diff --git a/public_html/appmonitor/git_update_appmonitor.sh b/public_html/appmonitor/git_update_appmonitor.sh
old mode 100644
new mode 100755
diff --git a/public_html/appmonitor/plugins/apps/iml-appmonitor-server.php b/public_html/appmonitor/plugins/apps/iml-appmonitor-server.php
old mode 100644
new mode 100755
diff --git a/public_html/appmonitor/plugins/apps/shared_check_ssl.php b/public_html/appmonitor/plugins/apps/shared_check_ssl.php
index bdf8e68db39a774d3b64c9f2af386cf636600ece..c2f45b778e14194367197b336351205646034ce9 100644
--- a/public_html/appmonitor/plugins/apps/shared_check_ssl.php
+++ b/public_html/appmonitor/plugins/apps/shared_check_ssl.php
@@ -20,13 +20,13 @@
 // ----------------------------------------------------------------------
 if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS']){
     $oMonitor->addCheck(
-        array(
+        [
             "name" => "Certificate check",
             "description" => "Check if SSL cert is valid and does not expire soon",
-            "check" => array(
+            "check" => [
                 "function" => "Cert",
-            ),
-        )
+            ],
+        ]
     );
 }
 
diff --git a/public_html/appmonitor/plugins/checks/apacheprocesses.php b/public_html/appmonitor/plugins/checks/apacheprocesses.php
old mode 100644
new mode 100755
index f2175375e7f1a580ceb4e50e284b107c894b79ef..aba2f3e657d1355080872511cd9bf9112f6cae07
--- a/public_html/appmonitor/plugins/checks/apacheprocesses.php
+++ b/public_html/appmonitor/plugins/checks/apacheprocesses.php
@@ -26,19 +26,19 @@
  * Example with overriding all existing params
  * 
  * $oMonitor->addCheck(
- *    array(
+ *    [
  *         "name" => "plugin ApacheProcesses",
  *         "description" => "check count running Apache processes",
- *         "check" => array(
+ *         "check" => [
  *             "function" => "ApacheProcesses",
- *             "params" => array(
+ *             "params" => [
  *                 "url" => "https://localhost/status",
  *                 "warning" => 75,
  *                 "error" => 90,
- *             ),
- *         ),
+ *             ],
+ *         ],
  *         "worstresult" => RESULT_OK
- *     )
+ *     ]
  * );
  * ____________________________________________________________________________
  * 
@@ -63,7 +63,7 @@ class checkApacheProcesses extends appmonitorcheck{
             return false;
         }
         $sRegexScoreboard = '/<pre>(.*)\<\/pre\>/U';
-        $aScore=array();
+        $aScore=[];
         $sStatusNobr = str_replace("\n", "", $sBody);
 
         if (preg_match_all($sRegexScoreboard, $sStatusNobr, $aTmpTable)) {
@@ -142,17 +142,17 @@ class checkApacheProcesses extends appmonitorcheck{
         //              count  => {float}  value
         //              visual => {string} one of bar|line|simple (+params)
         //           
-        return array(
+        return [
             $iResult, 
             ($iActive===false ? 'Apache httpd server status is not available' : 'apache processes: '.print_r($aProcesses, 1)).' '.$sComment,
             ($iActive===false 
-                ? array()
-                : array(
+                ? []
+                : [
                     'type'=>'counter',
                     'count'=>$iActive,
                     'visual'=>'line',
-                )
+                ]
             )
-        );
+        ];
     }
 }
diff --git a/public_html/appmonitor/plugins/checks/cert.php b/public_html/appmonitor/plugins/checks/cert.php
old mode 100644
new mode 100755
index ec5cca3331719fcdc170ad2bc92ba4a514702f30..e83fa9e30b85d8bc348fe1d0d794cf2a24ce0fb2
--- a/public_html/appmonitor/plugins/checks/cert.php
+++ b/public_html/appmonitor/plugins/checks/cert.php
@@ -22,17 +22,17 @@
  * USAGE:
  * 
  * $oMonitor->addCheck(
- *     array(
+ *     [
  *         "name" => "SSL cert",
  *         "description" => "Check SSL certificate of my domain",
- *         "check" => array(
+ *         "check" => [
  *             "function" => "Cert",
- *             "params" => array(
+ *             "params" => [
  *                 "url" => "https://www.example.com",
  *                 "warning" => "30",
- *             ),
- *         ),
- *     )
+ *             ],
+ *         ],
+ *     ]
  * );
  * ____________________________________________________________________________
  * 
@@ -54,12 +54,12 @@ class checkCert extends appmonitorcheck{
     /**
      * check SSL certificate 
      * @param array $aParams
-     * array(
+     * [
      *     "url"       optional: url to connect check; default: own protocol + server
      *     "verify"    optional: flag for verification of certificate or check for expiration only; default=true (=verification is on)
      *     "warning"   optional: count of days to warn; default=21 (=3 weeks)
      *     "critical"  optional: count of days to raise critical; default=5
-     * )
+     * ]
      * @return boolean
      */
     public function run($aParams) {
diff --git a/public_html/appmonitor/plugins/checks/diskfree.php b/public_html/appmonitor/plugins/checks/diskfree.php
old mode 100644
new mode 100755
index 667dfeb00b9445b6d57aecca7b208198cd3f4056..403c94e50e6bce1b3bd550cd5b4f16691450f78f
--- a/public_html/appmonitor/plugins/checks/diskfree.php
+++ b/public_html/appmonitor/plugins/checks/diskfree.php
@@ -33,11 +33,11 @@ class checkDiskfree extends appmonitorcheck{
     /**
      * check free disk space on a given directory
      * @param array $aParams
-     * array(
+     * [
      *     "directory"   directory that must exist
      *     "warning"     space for warning (optional)
      *     "critical"    minimal space
-     * )
+     * ]
      * @return boolean
      */
     public function run($aParams) {
diff --git a/public_html/appmonitor/plugins/checks/exec.php b/public_html/appmonitor/plugins/checks/exec.php
index a343cd9fcaa323174a1156b6fefcf03838c48df2..05ff55da9f7d658d1925772d12e6ec3c8a5a6720 100644
--- a/public_html/appmonitor/plugins/checks/exec.php
+++ b/public_html/appmonitor/plugins/checks/exec.php
@@ -35,7 +35,7 @@ class checkExec extends appmonitorcheck{
     /**
      * check execution of a command
      * @param array $aParams
-     * array(
+     * [
      *     "command"        {string} command to execute
      *     "output"         {bool}   flag: show output; default: true
      *
@@ -47,7 +47,7 @@ class checkExec extends appmonitorcheck{
      *     "searchOK"       {string} search string that must be found in output
      *     "searchWarn"     {string} if search string is found check returns with warning
      *     "searchCritical" {string} if search string is found check returns with critical
-     * )
+     * ]
      * @return boolean
      */
     public function run($aParams) {
diff --git a/public_html/appmonitor/plugins/checks/file.php b/public_html/appmonitor/plugins/checks/file.php
old mode 100644
new mode 100755
index c19b85dd2f7cc388a8c64a803d5c58fa9232a04c..590ac778c1c43c17c380c5c05892808ddc724be4
--- a/public_html/appmonitor/plugins/checks/file.php
+++ b/public_html/appmonitor/plugins/checks/file.php
@@ -45,7 +45,7 @@ class checkFile extends appmonitorcheck{
     /**
      * check a file
      * @param array $aParams
-     * array(
+     * [
      *     "filename"    directory that must exist
      *     "exists"      "filename" must exist/ must be absent
      *     "dir"         filetype directory
@@ -54,12 +54,12 @@ class checkFile extends appmonitorcheck{
      *     "executable"  flag executable
      *     "readable"    flag is readable
      *     "writable"    flag is writable
-     * )
+     * ]
      * @return boolean
      */
     public function run($aParams) {
-        $aOK = array();
-        $aErrors = array();
+        $aOK = [];
+        $aErrors = [];
         $this->_checkArrayKeys($aParams, "filename");
         $sFile = $aParams["filename"];
 
@@ -71,7 +71,7 @@ class checkFile extends appmonitorcheck{
                 $aErrors[] = $sMyflag;
             }
         }
-        foreach (array('dir', 'executable', 'file', 'link', 'readable', 'writable') as $sFiletest) {
+        foreach ([ 'dir', 'executable', 'file', 'link', 'readable', 'writable' ] as $sFiletest) {
             if (isset($aParams[$sFiletest])) {
                 $sTestCmd = 'return is_' . $sFiletest . '("' . $sFile . '");';
                 if (eval($sTestCmd) && $aParams[$sFiletest]) {
diff --git a/public_html/appmonitor/plugins/checks/hello.php b/public_html/appmonitor/plugins/checks/hello.php
old mode 100644
new mode 100755
index 8e1d9349375d591560796d8d560c040389286220..ebeb98184e1921e8de1df64505511c567808077e
--- a/public_html/appmonitor/plugins/checks/hello.php
+++ b/public_html/appmonitor/plugins/checks/hello.php
@@ -26,16 +26,16 @@
  * USAGE:
  * 
  * $oMonitor->addCheck(
- *     array(
+ *     [
  *         "name" => "hello plugin",
  *         "description" => "test a plugin ... plugins/checkHello.php",
- *         "check" => array(
+ *         "check" => [
  *             "function" => "Hello",
- *             "params" => array(
+ *             "params" => [
  *                 "message" => "Here I am",
- *             ),
- *         ),
- *     )
+ *             ],
+ *         ],
+ *     ]
  * );
  * ____________________________________________________________________________
  * 
@@ -69,9 +69,9 @@ class checkHello extends appmonitorcheck{
         //              count  => {float}  value
         //              visual => {string} one of bar|line|simple (+params)
         //           
-        return array(
+        return [
             RESULT_OK, 
             'Hello world! My message is: ' .$aParams['message']
-        );
+        ];
     }
 }
diff --git a/public_html/appmonitor/plugins/checks/httpcontent.php b/public_html/appmonitor/plugins/checks/httpcontent.php
old mode 100644
new mode 100755
index d924c59a2b4c5f08b74d286022a962866fb4a123..abbf1d779067801d619aedb62780321ed2c24397
--- a/public_html/appmonitor/plugins/checks/httpcontent.php
+++ b/public_html/appmonitor/plugins/checks/httpcontent.php
@@ -18,6 +18,7 @@
  * ____________________________________________________________________________
  * 
  * 2021-10-26  <axel.hahn@iml.unibe.ch>
+ * 2022-12-21  <axel.hahn@unibe.ch>      add flag sslverify
  * 
  */
 class checkHttpContent extends appmonitorcheck{
@@ -37,11 +38,12 @@ class checkHttpContent extends appmonitorcheck{
     /**
      * make http request and test response body
      * @param array $aParams
-     * array(
+     * [
      *     url                 string   url to fetch
      *     timeout             integer  optional timeout in sec; default: 5
      *     headeronly          boolean  optional flag to fetch http response herader only; default: false = returns header and body
      *     follow              boolean  optional flag to follow a location; default: false = do not follow
+     *     sslverify           boolean  flag: enable/ disable verification of ssl certificate; default: true (verification is on)
      *     status              integer  test for an expected http status code; if none is given then test fails on status 400 and greater
      *     headercontains      string   test for a string in the http response header; it returns OK if the text was found
      *     headernotcontains   string   test for a string in the http response header; it returns OK if the text was not found
@@ -49,7 +51,7 @@ class checkHttpContent extends appmonitorcheck{
      *     bodycontains        string   test for a string in the http response body; it returns OK if the text was found
      *     bodynotcontains     string   test for a string in the http response body; it returns OK if the text was not found
      *     bodyregex           string   test for a regex in the http response body; it returns OK if the regex matches; example: "headerregex"=>"/lowercasematch/i"
-     * )
+     * ]
      */
     public function run($aParams) {
         $this->_checkArrayKeys($aParams, "url");
@@ -64,7 +66,7 @@ class checkHttpContent extends appmonitorcheck{
         curl_setopt($ch, CURLOPT_NOBODY, isset($aParams["headeronly"]) && $aParams["headeronly"]);
         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, isset($aParams["follow"]) && $aParams["follow"]);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, isset($aParams["sslverify"]) ? !!$aParams["sslverify"] : 1);
         curl_setopt($ch, CURLOPT_TIMEOUT, (isset($aParams["timeout"]) && (int)$aParams["timeout"]) ? (int)$aParams["timeout"] : $this->_iTimeoutTcp);
         $res = curl_exec($ch);
 
diff --git a/public_html/appmonitor/plugins/checks/loadmeter.php b/public_html/appmonitor/plugins/checks/loadmeter.php
old mode 100644
new mode 100755
index d1a8c16c4f68a07a4ba78636da355e085127fcdb..8bc5daf1b50d94c5ebd320270541b085a937c4d7
--- a/public_html/appmonitor/plugins/checks/loadmeter.php
+++ b/public_html/appmonitor/plugins/checks/loadmeter.php
@@ -27,18 +27,18 @@
  * USAGE:
  * 
  * $oMonitor->addCheck(
- *     array(
+ *     [
  *         "name" => "plugin Load",
  *         "description" => "check current load",
- *         "check" => array(
+ *         "check" => [
  *             "function" => "Loadmeter",
- *             "params" => array(
+ *             "params" => [
  *                "warning" => 1.0,
  *                "error" => 3,
- *             ),
- *         ),
+ *             ],
+ *         ],
  *         "worstresult" => RESULT_OK
- *     )
+ *     ]
  * );
  * ____________________________________________________________________________
  * 
@@ -127,17 +127,18 @@ class checkLoadmeter extends appmonitorcheck{
         //              count  => {float}  value
         //              visual => {string} one of bar|line|simple (+params)
         //           
-        return array(
+        return [
             $iResult, 
             ($fLoad===false ? 'load value is not available' : 'current load is: '.$fLoad),
             ($fLoad===false 
-                ? array()
-                : array(
+                ? []
+                : [
                     'type'=>'counter',
                     'count'=>$fLoad,
                     'visual'=>'line',
-                )
+                ]
             )
-        );
+        ]
+        ;
     }
 }
diff --git a/public_html/appmonitor/plugins/checks/mysqlconnect.php b/public_html/appmonitor/plugins/checks/mysqlconnect.php
old mode 100644
new mode 100755
index d386146eba33710b540ce9127a6ce77320ee2a51..713424564a58cf26b850bde803725b2a43a85a8e
--- a/public_html/appmonitor/plugins/checks/mysqlconnect.php
+++ b/public_html/appmonitor/plugins/checks/mysqlconnect.php
@@ -32,14 +32,14 @@ class checkMysqlConnect extends appmonitorcheck{
     /**
      * check mysql connection to a database using mysqli realconnect
      * @param array $aParams
-     * array(
+     * [
      *     server              string   database hostname / ip address
      *     user                string   db user
      *     password            string   password for db user
      *     db                  string   schema / database name
      *     port                integer  optional: port
      *     timeout             integer  optional timeout in sec; default: 5
-     * )
+     * ]
      */
     public function run($aParams) {
         $this->_checkArrayKeys($aParams, "server,user,password,db");
diff --git a/public_html/appmonitor/plugins/checks/pdoconnect.php b/public_html/appmonitor/plugins/checks/pdoconnect.php
old mode 100644
new mode 100755
index 03f1d221716f61fa17b0f37c24255cce1bb60b47..7f8016b876f376f096360f059f642cf19211c405
--- a/public_html/appmonitor/plugins/checks/pdoconnect.php
+++ b/public_html/appmonitor/plugins/checks/pdoconnect.php
@@ -34,12 +34,12 @@ class checkPdoConnect extends appmonitorcheck{
      * see http://php.net/manual/en/pdo.drivers.php
      * 
      * @param array $aParams
-     * array(
+     * [
      *     connect             string   connect string
      *     user                string   db user
      *     password            string   password for db user
      *     timeout             integer  optional timeout in sec; default: 5
-     * )
+     * ]
      */
     public function run($aParams) {
         $this->_checkArrayKeys($aParams, "connect,user,password");
@@ -49,7 +49,7 @@ class checkPdoConnect extends appmonitorcheck{
                 $aParams['connect'], 
                 $aParams['user'], 
                 $aParams['password'], 
-                array(
+                [
                     PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
                     
                     // timeout
@@ -57,7 +57,7 @@ class checkPdoConnect extends appmonitorcheck{
                     PDO::ATTR_TIMEOUT => (isset($aParams["timeout"]) && (int)$aParams["timeout"]) ? (int)$aParams["timeout"] : $this->_iTimeoutTcp,                  
                     // mssql
                     // PDO::SQLSRV_ATTR_QUERY_TIMEOUT => $this->_iTimeoutTcp,  
-                )
+                ]
             );
             $db=null;
             return [RESULT_OK, "OK: Database was connected with PDO " . $aParams['connect']];
diff --git a/public_html/appmonitor/plugins/checks/phpmodules.php b/public_html/appmonitor/plugins/checks/phpmodules.php
index 6f40ba054819294542910d2826f25db6a384b42a..29e2874bf2d995a268b3068a1297f40d1ccf41e9 100644
--- a/public_html/appmonitor/plugins/checks/phpmodules.php
+++ b/public_html/appmonitor/plugins/checks/phpmodules.php
@@ -33,10 +33,10 @@ class checkPhpmodules extends appmonitorcheck{
     /**
      * check if system is listening to a given port
      * @param array $aParams
-     * array(
+     * [
      *     required     array  list of required php modules
      *     optional     array  optional: list of optional php modules
-     * )
+     * ]
      * @return boolean
      */
     public function run($aParams) {
diff --git a/public_html/appmonitor/plugins/checks/ping.php b/public_html/appmonitor/plugins/checks/ping.php
index b10397d6a03351c8c3253bcf2ddf3ca298991189..fdb5910f3e31ab73c01fedb9c577016cd4e647b7 100644
--- a/public_html/appmonitor/plugins/checks/ping.php
+++ b/public_html/appmonitor/plugins/checks/ping.php
@@ -34,14 +34,14 @@ class checkPing extends appmonitorcheck{
     /**
      * check ping to a target
      * @param array $aParams
-     * array(
+     * [
      *     host                string   optional hostname to connect; default: 127.0.0.1
      *     timeout             integer  OBSOLET (because using exec): optional timeout in sec; default: 5
-     * )
+     * ]
      * @return boolean
      */
     public function run($aParams) {
-        $sHost = array_key_exists('host', $aParams) ? $aParams['host'] : '127.0.0.1';
+        $sHost = $aParams['host'] ?? '127.0.0.1';
 
         $sParamCount=strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' ? "n" : "c";
         $iRepeat=1;
@@ -73,10 +73,10 @@ class checkPing extends appmonitorcheck{
             $socket, 
             SOL_SOCKET, 
             SO_RCVTIMEO, 
-            array(
+            [
                 "sec"=>(isset($aParams["timeout"]) && (int)$aParams["timeout"]) ? (int)$aParams["timeout"] : $this->_iTimeoutTcp, // timeout in seconds
                 "usec"=>0
-              )
+            ]
         );
 
         $start = microtime(true);
@@ -88,11 +88,11 @@ class checkPing extends appmonitorcheck{
                 socket_close($socket);
                 return [RESULT_OK, 
                     "OK: ping to $sHost",
-                    array(
+                    [
                         'type'=>'counter',
                         'count'=>$result,
                         'visual'=>'line',
-                    )
+                    ]
 
                 ];
             } else {
diff --git a/public_html/appmonitor/plugins/checks/porttcp.php b/public_html/appmonitor/plugins/checks/porttcp.php
old mode 100644
new mode 100755
index 3161163e1e640a5ed78797bac3bbd15abee6eeb2..b9cee46833f34670043ecc59a86b7cc254636b31
--- a/public_html/appmonitor/plugins/checks/porttcp.php
+++ b/public_html/appmonitor/plugins/checks/porttcp.php
@@ -36,17 +36,17 @@ class checkPortTcp extends appmonitorcheck{
     /**
      * check if system is listening to a given port
      * @param array $aParams
-     * array(
+     * [
      *     port                integer  port
      *     host                string   optional hostname to connect; default: 127.0.0.1
      *     timeout             integer  optional timeout in sec; default: 5
-     * )
+     * ]
      * @return boolean
      */
     public function run($aParams) {
         $this->_checkArrayKeys($aParams, "port");
 
-        $sHost = array_key_exists('host', $aParams) ? $aParams['host'] : '127.0.0.1';
+        $sHost = $aParams['host'] ?? '127.0.0.1';
         $iPort = (int) $aParams['port'];
 
         if (!function_exists('socket_create')){
@@ -64,11 +64,11 @@ class checkPortTcp extends appmonitorcheck{
             $socket,
             SOL_SOCKET,  // socket level
             SO_SNDTIMEO, // timeout option
-            array(
+            [
               "sec"=>(isset($aParams["timeout"]) && (int)$aParams["timeout"]) ? (int)$aParams["timeout"] : $this->_iTimeoutTcp, // timeout in seconds
               "usec"=>0
-              )
-            );
+            ]
+        );
 
         $result = @socket_connect($socket, $sHost, $iPort);
         if ($result === false) {
diff --git a/public_html/appmonitor/plugins/checks/simple.php b/public_html/appmonitor/plugins/checks/simple.php
old mode 100644
new mode 100755
index 15e6139a3681bd050009b1fbdfffb6f47ae34bc6..daacf0a363fbf1eb1bdd6b56129e6446c2009a51
--- a/public_html/appmonitor/plugins/checks/simple.php
+++ b/public_html/appmonitor/plugins/checks/simple.php
@@ -43,7 +43,7 @@ class checkSimple extends appmonitorcheck{
         $this->_checkArrayKeys($aParams, "result,value");
         // $this->_setReturn((int) $aParams["result"], $aParams["value"]);
         $aData=[];
-        foreach(array('type', 'count', 'visual') as $sMyKey){
+        foreach([ 'type', 'count', 'visual' ] as $sMyKey){
             if(isset($aParams[$sMyKey])){
                 $aData[$sMyKey]=$aParams[$sMyKey];
             }
diff --git a/public_html/appmonitor/plugins/checks/sqliteconnect.php b/public_html/appmonitor/plugins/checks/sqliteconnect.php
old mode 100644
new mode 100755
index 65b965cc372880103e7d9447828550b4ab67c2f3..1fc264c527c19de20de3a7a8776e8f4c8ef5e6f3
--- a/public_html/appmonitor/plugins/checks/sqliteconnect.php
+++ b/public_html/appmonitor/plugins/checks/sqliteconnect.php
@@ -33,10 +33,10 @@ class checkSqliteConnect extends appmonitorcheck{
     /**
      * check sqlite connection
      * @param array $aParams
-     * array(
+     * [
      *     db                  string   full path of sqlite file 
      *     timeout             integer  optional timeout in sec; default: 5
-     * )
+     * ]
      * @return boolean
      */
     public function run($aParams) {
@@ -56,9 +56,9 @@ class checkSqliteConnect extends appmonitorcheck{
             $o = new PDO("sqlite:" . $aParams["db"],
                 $aParams['user'], 
                 $aParams['password'], 
-                array(
+                [
                     PDO::ATTR_TIMEOUT => (isset($aParams["timeout"]) && (int)$aParams["timeout"]) ? (int)$aParams["timeout"] : $this->_iTimeoutTcp,                  
-                )
+                ]
             );
             return [RESULT_OK, "OK: Sqlite database " . $aParams["db"] . " was connected"];
         } catch (Exception $e) {