Add ZK library classes for device interaction and user management

- Implemented Os class for retrieving OS information.
- Added Pin class for getting PIN width.
- Created Platform class for fetching platform details and version.
- Developed SerialNumber class to retrieve device serial number.
- Introduced Ssr class for SSR information retrieval.
- Implemented Time class for setting and getting device time.
- Added User class for user management including setting, getting, clearing, and removing users.
- Created Util class with various utility functions for command handling and data processing.
- Implemented Version class for fetching device version.
- Added WorkCode class for retrieving work code information.
- Set up Composer autoloading for the ZK library.

controller/libconfig.php

@@ -0,0 +1,89 @@
+<?php
+    if(preg_match("/libconfig.php/i", $_SERVER['PHP_SELF'])){header("location: index.php");die;}
+
+    class MY_LIBRARY
+    {
+        
+        public function __construct()
+        {
+            //$return=true;
+            $clhtml=new MY_HTML();
+            //if(!isset($_SESSION['nik'])){$clhtml->mosRedirect("D.H.T.M.L.X");}
+            
+        }
+        
+        public function fn_row_isexists($query)
+        {
+            $rtn=false;
+            $rschk=mysql_query($query) or die(mysql_error());
+            if($rschk)
+            {
+                if(mysql_num_rows($rschk)>0){$rtn=true;}
+            }
+            $this->clearrecordset($rschk);
+            return $rtn;
+        }
+        
+        public function fn_get_fieldsvalues($fieldsname,$query)
+        {
+            $rtn='';
+            $spfields=explode(",",trim($fieldsname));
+            $rsgetvalue=$this->selectquery($query);
+            if($rsgetvalue)
+            {
+                if(mysql_num_rows($rsgetvalue)>0)
+                {
+                    $rw=mysql_fetch_object($rsgetvalue);
+                    for($i=0;$i<=count($spfields)-1;$i++)
+                    {
+                        $rtn.=$rw->$spfields[$i]."|";    
+                    }
+                    $rtn=substr($rtn,0,strlen($rtn)-1);
+                }
+            }
+            $this->clearrecordset($rsgetvalue);            
+            $rtn=explode("|",$rtn);
+            
+            return $rtn;
+        }
+        
+        public function selectquery($query,$mysql_error=null)
+        {
+            $rsqry=@mysql_query($query);
+            if(!$mysql_error){$mysql_error=mysql_error();}
+            if(!$rsqry){echo $mysql_error;return false;}
+            return $rsqry;
+        }
+        
+        public function data_row_object($recordset)
+        {
+             return mysql_fetch_object($recordset);
+        }
+        
+        public function data_row_array($recordset)
+        {
+             return mysql_fetch_array($recordset);
+        }
+        
+        public function field_length($recordset)
+        {
+            return mysql_num_fields($recordset);
+        }
+        
+        public function getErrorQuery()
+        {
+            return $this->errquery;
+        }
+        public function executequery($query)
+        {
+            if(mysql_query($query))
+            {return true;}
+            else
+            {$this->errquery=mysql_error(); die(mysql_error());return false;}
+        }
+        
+        public function REC_ROWS_COUNT($recordset){return mysql_num_rows($recordset);}
+                
+    }
+    
+?>