diff --git a/app/Api/v1/ApiController.php b/app/Api/v1/ApiController.php
index fdf4738b4..3c85fb819 100644
--- a/app/Api/v1/ApiController.php
+++ b/app/Api/v1/ApiController.php
@@ -2,6 +2,7 @@
 
 namespace App\Api\v1;
 
+use Illuminate\Support\Str;
 use App\Http\Controllers\Agent\helpdesk\TicketController as CoreTicketController;
 use App\Http\Controllers\Controller;
 //use Illuminate\Support\Facades\Request as Value;
@@ -729,8 +730,8 @@ class ApiController extends Controller
             }
 
             $url = $this->request->input('url');
-            if (! str_is('*/', $url)) {
-                $url = str_finish($url, '/');
+            if (! Str::is('*/', $url)) {
+                $url = Str::finish($url, '/');
             }
 
             $url = $url.'/api/v1/helpdesk/check-url?api_key='.$this->request->input('api_key').'&token='.\Config::get('app.token');
@@ -817,7 +818,7 @@ class ApiController extends Controller
             $set = $this->setting->where('id', '1')->first();
             //dd($set);
             if ($set->api_enable == 1) {
-                $key = str_random(32);
+                $key = Str::random(32);
                 $set->api_key = $key;
                 $set->save();
                 $result = $set->api_key;
@@ -1661,7 +1662,7 @@ class ApiController extends Controller
 
                 return response()->json(compact('error'));
             }
-            $str = str_random(8);
+            $str = Str::random(8);
             $array = ['password' => $str, 'password_confirmation' => $str, 'email' => $this->request->input('email'), 'full_name' => $this->request->input('first_name')];
             $all = $this->request->input();
             $merged = $array + $all;
diff --git a/app/Api/v1/ApiExceptAuthController.php b/app/Api/v1/ApiExceptAuthController.php
index 14bd09b0a..545da0ba0 100644
--- a/app/Api/v1/ApiExceptAuthController.php
+++ b/app/Api/v1/ApiExceptAuthController.php
@@ -2,6 +2,7 @@
 
 namespace App\Api\v1;
 
+use Illuminate\Support\Str;
 use App\Http\Controllers\Controller;
 use Illuminate\Http\Request;
 
@@ -34,8 +35,8 @@ class ApiExceptAuthController extends Controller
             }
 
             $url = $this->request->input('url');
-            if (! str_is('*/', $url)) {
-                $url = str_finish($url, '/');
+            if (! Str::is('*/', $url)) {
+                $url = Str::finish($url, '/');
             }
 
             $url = $url.'api/v1/helpdesk/check-url';
diff --git a/app/Api/v1/TokenAuthController.php b/app/Api/v1/TokenAuthController.php
index f84c3d3da..70a8ec7b0 100644
--- a/app/Api/v1/TokenAuthController.php
+++ b/app/Api/v1/TokenAuthController.php
@@ -2,6 +2,7 @@
 
 namespace App\Api\v1;
 
+use Illuminate\Support\Str;
 use App\Http\Controllers\Common\PhpMailController;
 use App\Http\Controllers\Controller;
 use App\User;
@@ -166,7 +167,7 @@ class TokenAuthController extends Controller
             if (isset($user)) {
                 $user1 = $user->email;
                 //gen new code and pass
-                $code = str_random(60);
+                $code = Str::random(60);
                 $password_reset_table = \DB::table('password_resets')->where('email', '=', $user->email)->first();
                 if (isset($password_reset_table)) {
                     $password_reset_table = \DB::table('password_resets')->where('email', '=', $user->email)->update(['token' => $code, 'created_at' => $date]);
diff --git a/app/Console/Commands/InstallDB.php b/app/Console/Commands/InstallDB.php
index f689d5891..c2e1f0ec1 100644
--- a/app/Console/Commands/InstallDB.php
+++ b/app/Console/Commands/InstallDB.php
@@ -2,6 +2,7 @@
 
 namespace App\Console\Commands;
 
+use Illuminate\Support\Str;
 use App\Http\Controllers\Installer\helpdesk\InstallController;
 use DB;
 use Illuminate\Console\Command;
@@ -78,7 +79,7 @@ class InstallDB extends Command
     public function updateAppUrl()
     {
         $url = $this->ask('Enter your app url (with http/https and www/non www)');
-        if (str_finish($url, '/')) {
+        if (Str::finish($url, '/')) {
             $url = rtrim($url, '/ ');
         }
         $systems = new \App\Model\helpdesk\Settings\System();
diff --git a/app/Http/Controllers/Admin/helpdesk/FormController.php b/app/Http/Controllers/Admin/helpdesk/FormController.php
index 58280f54d..735b8f4c6 100644
--- a/app/Http/Controllers/Admin/helpdesk/FormController.php
+++ b/app/Http/Controllers/Admin/helpdesk/FormController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers\Admin\helpdesk;
 
 // Controller
+use Illuminate\Support\Str;
 use App\Http\Controllers\Controller;
 // Model
 use App\Model\helpdesk\Form\Fields;
@@ -136,7 +137,7 @@ class FormController extends Controller
             $fields = [];
             for ($i = 0; $i <= $count; $i++) {
                 if (! empty(Input::get('name')[$i])) {
-                    $name = str_slug(Input::get('name')[$i], '_');
+                    $name = Str::slug(Input::get('name')[$i], '_');
                     $field = Fields::create([
                         'forms_id' => $forms->id,
                         'label' => Input::get('label')[$i],
@@ -251,7 +252,7 @@ class FormController extends Controller
             }
             //dd(Input::get('label'),Input::get('name'),Input::get('type'),Input::get('required'));
             for ($i = 0; $i < $count; $i++) {
-                $name = str_slug(Input::get('name')[$i], '_');
+                $name = Str::slug(Input::get('name')[$i], '_');
                 $field = $field->create([
                     'forms_id' => $forms->id,
                     'label' => Input::get('label')[$i],
@@ -384,7 +385,7 @@ class FormController extends Controller
                         'field_id' => $fieldid,
                         'child_id' => $childid,
                         'field_key' => $key,
-                        'field_value' => str_slug($value, '_'),
+                        'field_value' => Str::slug($value, '_'),
                     ]);
                 }
             }
@@ -443,12 +444,12 @@ class FormController extends Controller
         }
 
         return '<script>
-            $("#'.str_slug($value).'").on("change", function () {
-                var valueid = $("#'.str_slug($value).'").val();
-                var fieldid = $("#'.$fieldid.str_slug($value).'").val();
-                send'.$fieldid.str_slug($value).'(valueid,fieldid);
+            $("#'.Str::slug($value).'").on("change", function () {
+                var valueid = $("#'.Str::slug($value).'").val();
+                var fieldid = $("#'.$fieldid.Str::slug($value).'").val();
+                send'.$fieldid.Str::slug($value).'(valueid,fieldid);
             });
-            function send'.$fieldid.str_slug($value).'(valueid,fieldid) {
+            function send'.$fieldid.Str::slug($value).'(valueid,fieldid) {
                 $.ajax({
                     url: "'.url('forms/render/child/').'",
                     dataType: "html",
@@ -554,8 +555,8 @@ class FormController extends Controller
         if (count($values) > 0) {
             foreach ($values as $field_value) {
                 $script = self::jqueryScript($field_value, $field->id, $field->name, $field_type);
-                $radio .= '<div>'.Form::hidden('fieldid[]', $field->id, ['id' => $field->id.str_slug($field_value)]);
-                $radio .= Form::$field_type($field->name, $field_value, null, ['class' => "$field->id", 'id' => str_slug($field_value), 'required' => $required]).$script.'<span>   '.removeUnderscore($field_value).'</span></div>';
+                $radio .= '<div>'.Form::hidden('fieldid[]', $field->id, ['id' => $field->id.Str::slug($field_value)]);
+                $radio .= Form::$field_type($field->name, $field_value, null, ['class' => "$field->id", 'id' => Str::slug($field_value), 'required' => $required]).$script.'<span>   '.removeUnderscore($field_value).'</span></div>';
             }
             $html = Form::label($field->label, $field->label, ['class' => $required_class]).'</br>'.$radio.'<div id='.$field->name.'></br></div>';
         }
diff --git a/app/Http/Controllers/Admin/helpdesk/SettingsController.php b/app/Http/Controllers/Admin/helpdesk/SettingsController.php
index f86fb437b..6822b67da 100644
--- a/app/Http/Controllers/Admin/helpdesk/SettingsController.php
+++ b/app/Http/Controllers/Admin/helpdesk/SettingsController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers\Admin\helpdesk;
 
 // controllers
+use Illuminate\Support\Str;
 use App\Http\Controllers\Controller;
 // requests
 use App\Http\Requests\helpdesk\CompanyRequest;
@@ -572,7 +573,7 @@ class SettingsController extends Controller
      */
     public function generateApiKey()
     {
-        $key = str_random(32);
+        $key = Str::random(32);
 
         return $key;
     }
diff --git a/app/Http/Controllers/Admin/helpdesk/SettingsController2.php b/app/Http/Controllers/Admin/helpdesk/SettingsController2.php
index f04937c27..73ea459df 100644
--- a/app/Http/Controllers/Admin/helpdesk/SettingsController2.php
+++ b/app/Http/Controllers/Admin/helpdesk/SettingsController2.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers\Admin\helpdesk;
 
 // controllers
+use Illuminate\Support\Str;
 use App\Http\Controllers\Controller;
 // requests
 use App\Http\Requests\helpdesk\CompanyRequest;
@@ -718,7 +719,7 @@ class SettingsController2 extends Controller
      */
     public function generateApiKey()
     {
-        $key = str_random(32);
+        $key = Str::random(32);
 
         return $key;
     }
diff --git a/app/Http/Controllers/Agent/helpdesk/MailController.php b/app/Http/Controllers/Agent/helpdesk/MailController.php
index c9666358c..78a8143ad 100644
--- a/app/Http/Controllers/Agent/helpdesk/MailController.php
+++ b/app/Http/Controllers/Agent/helpdesk/MailController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers\Agent\helpdesk;
 
 // models
+use Illuminate\Support\Str;
 use App\Http\Controllers\Admin\MailFetch as Fetch;
 use App\Http\Controllers\Controller;
 use App\Model\helpdesk\Email\Emails;
@@ -253,7 +254,7 @@ class MailController extends Controller
                     $disposition = $structure->disposition;
                 }
 
-                $filename = str_random(16).'-'.$attachment->getFileName();
+                $filename = Str::random(16).'-'.$attachment->getFileName();
                 $type = $attachment->getMimeType();
                 $size = $attachment->getSize();
                 $data = $attachment->getData();
diff --git a/app/Http/Controllers/Agent/helpdesk/TicketController.php b/app/Http/Controllers/Agent/helpdesk/TicketController.php
index 5d26648ec..026df378c 100755
--- a/app/Http/Controllers/Agent/helpdesk/TicketController.php
+++ b/app/Http/Controllers/Agent/helpdesk/TicketController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers\Agent\helpdesk;
 
 // controllers
+use Illuminate\Support\Str;
 use App\Http\Controllers\Common\FileuploadController;
 use App\Http\Controllers\Common\NotificationController as Notify;
 use App\Http\Controllers\Common\PhpMailController;
@@ -665,7 +666,7 @@ class TicketController extends Controller
             }
             $user->role = 'user';
             $user->active = $user_status;
-            $token = str_random(60);
+            $token = Str::random(60);
             $user->remember_token = $token;
             // mail user his/her password
             //\Event::fire(new \App\Events\ClientTicketFormPost($from_data, $emailadd, $source));
@@ -2688,7 +2689,7 @@ class TicketController extends Controller
                             if (isset($tickets->ticket_title)) {
                                 $string = utfEncoding($tickets->ticket_title);
                                 if (strlen($string) > 25) {
-                                    $string = str_limit($string, 30).'...';
+                                    $string = Str::limit($string, 30).'...';
                                 }
                             } else {
                                 $string = Lang::get('lang.no-subject');
@@ -2757,7 +2758,7 @@ class TicketController extends Controller
                                 $color = "<i class='fa fa-exclamation-triangle'  title='".Lang::get('lang.accoutn-not-verified')."'></i>";
                             }
 
-                            return "<a href='".$url."' title='".Lang::get('lang.see-profile1').' '.strip_tags($name).'&apos;'.Lang::get('lang.see-profile2')."'><span style='color:#508983'>".str_limit(strip_tags($name), 30).' <span style="color:#f75959">'.$color.'</span></span></a>';
+                            return "<a href='".$url."' title='".Lang::get('lang.see-profile1').' '.strip_tags($name).'&apos;'.Lang::get('lang.see-profile2')."'><span style='color:#508983'>".Str::limit(strip_tags($name), 30).' <span style="color:#f75959">'.$color.'</span></span></a>';
                         })
                         ->editColumn('a_uname', function ($tickets) {
                             if ($tickets->assigned_to == null && $tickets->name == null) {
@@ -3126,7 +3127,7 @@ class TicketController extends Controller
             })
             ->addColumn('title', function ($tickets) {
                 if (isset($tickets->ticket_title)) {
-                    $string = str_limit($tickets->ticket_title, 20);
+                    $string = Str::limit($tickets->ticket_title, 20);
                 } else {
                     $string = '(no subject)';
                 }
@@ -3182,7 +3183,7 @@ class TicketController extends Controller
                     $color = "<i class='fa fa-exclamation-triangle'  title='".Lang::get('lang.accoutn-not-verified')."'></i>";
                 }
 
-                return "<a href='".$url."' title='".Lang::get('lang.see-profile1').' '.ucfirst($tickets->user_name).'&apos;'.Lang::get('lang.see-profile2')."'><span style='color:#508983'>".ucfirst(str_limit($name, 30)).' <span style="color:#f75959">'.$color.'</span></span></a>';
+                return "<a href='".$url."' title='".Lang::get('lang.see-profile1').' '.ucfirst($tickets->user_name).'&apos;'.Lang::get('lang.see-profile2')."'><span style='color:#508983'>".ucfirst(Str::limit($name, 30)).' <span style="color:#f75959">'.$color.'</span></span></a>';
             })
             ->addColumn('assign_user_name', function ($tickets) {
                 if ($tickets->assigned_to == null) {
diff --git a/app/Http/Controllers/Agent/kb/ArticleController.php b/app/Http/Controllers/Agent/kb/ArticleController.php
index cf3aaadaf..87b8b89de 100644
--- a/app/Http/Controllers/Agent/kb/ArticleController.php
+++ b/app/Http/Controllers/Agent/kb/ArticleController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers\Agent\kb;
 
 // Controllers
+use Illuminate\Support\Str;
 use App\Http\Controllers\Controller;
 // Requests
 use App\Http\Requests\kb\ArticleRequest;
@@ -72,7 +73,7 @@ class ArticleController extends Controller
 
                         /* add column name */
                         ->addColumn('name', function ($model) {
-                            $name = str_limit($model->name, 20, '...');
+                            $name = Str::limit($model->name, 20, '...');
 
                             return "<p title=$model->name>$name</p>";
                         })
@@ -155,7 +156,7 @@ class ArticleController extends Controller
         $publishTime = $request->input('year').'-'.$request->input('month').'-'.$request->input('day').' '.$request->input('hour').':'.$request->input('minute').':00';
 
         $sl = $request->input('name');
-        $slug = str_slug($sl, '-');
+        $slug = Str::slug($sl, '-');
         $article->slug = $slug;
         $article->publish_time = $publishTime;
         $article->fill($request->except('created_at', 'slug'))->save();
@@ -225,7 +226,7 @@ class ArticleController extends Controller
 
         $id = $aid->id;
         $sl = $request->input('slug');
-        $slug = str_slug($sl, '-');
+        $slug = Str::slug($sl, '-');
         // dd($slug);
 
         $article->slug = $slug;
diff --git a/app/Http/Controllers/Agent/kb/CategoryController.php b/app/Http/Controllers/Agent/kb/CategoryController.php
index 3dce04ea2..bbb1d0001 100644
--- a/app/Http/Controllers/Agent/kb/CategoryController.php
+++ b/app/Http/Controllers/Agent/kb/CategoryController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers\Agent\kb;
 
 // Controllers
+use Illuminate\Support\Str;
 use App\Http\Controllers\Agent\helpdesk\TicketController;
 use App\Http\Controllers\Controller;
 // Requests
@@ -77,7 +78,7 @@ class CategoryController extends Controller
                         ->addColumn('name', function ($model) {
                             $string = strip_tags($model->name);
 
-                            return str_limit($string, 20);
+                            return Str::limit($string, 20);
                         })
                         /* add column Created */
                         ->addColumn('Created', function ($model) {
@@ -140,7 +141,7 @@ class CategoryController extends Controller
     {
         /* Get the whole request from the form and insert into table via model */
         $sl = $request->input('name');
-        $slug = str_slug($sl, '-');
+        $slug = Str::slug($sl, '-');
         $category->slug = $slug;
         // send success message to index page
         try {
@@ -182,7 +183,7 @@ class CategoryController extends Controller
         /* Edit the selected category via id */
         $category = Category::where('id', $id)->first();
         $sl = $request->input('name');
-        $slug = str_slug($sl, '-');
+        $slug = Str::slug($sl, '-');
         /* update the values at the table via model according with the request */
         //redirct to index page with success message
         try {
diff --git a/app/Http/Controllers/Agent/kb/PageController.php b/app/Http/Controllers/Agent/kb/PageController.php
index 36b73078e..abc824faa 100644
--- a/app/Http/Controllers/Agent/kb/PageController.php
+++ b/app/Http/Controllers/Agent/kb/PageController.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers\Agent\kb;
 
+use Illuminate\Support\Str;
 use App\Http\Controllers\Agent\helpdesk\TicketController;
 use App\Http\Controllers\Controller;
 // request
@@ -126,7 +127,7 @@ class PageController extends Controller
     public function store(PageRequest $request)
     {
         $sl = $request->input('name');
-        $slug = str_slug($sl, '-');
+        $slug = Str::slug($sl, '-');
         $this->page->slug = $slug;
 
         try {
@@ -167,7 +168,7 @@ class PageController extends Controller
         // get pages with respect to slug
         $pages = $this->page->where('slug', $slug)->first();
         $sl = $request->input('name');
-        $slug = str_slug($sl, '-');
+        $slug = Str::slug($sl, '-');
 
         try {
             $pages->fill($request->all())->save();
diff --git a/app/Http/Controllers/Auth/AuthController.php b/app/Http/Controllers/Auth/AuthController.php
index 4e52cbe34..e7a1347a0 100644
--- a/app/Http/Controllers/Auth/AuthController.php
+++ b/app/Http/Controllers/Auth/AuthController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers\Auth;
 
 // controllers
+use Illuminate\Support\Str;
 use App\Http\Controllers\Admin\helpdesk\SocialMedia\SocialMediaController;
 use App\Http\Controllers\Common\PhpMailController;
 // requests
@@ -179,7 +180,7 @@ class AuthController extends Controller
                 $user->user_name = $request->input('email');
             }
             $user->role = 'user';
-            $code = str_random(60);
+            $code = Str::random(60);
             $user->remember_token = $code;
             $user->save();
             $message12 = '';
diff --git a/app/Http/Controllers/Auth/ForgotPasswordController.php b/app/Http/Controllers/Auth/ForgotPasswordController.php
index ae900519b..9859cbfd6 100644
--- a/app/Http/Controllers/Auth/ForgotPasswordController.php
+++ b/app/Http/Controllers/Auth/ForgotPasswordController.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers\Auth;
 
+use Illuminate\Support\Str;
 use App\Http\Controllers\Common\PhpMailController;
 use App\Http\Controllers\Controller;
 use App\User;
@@ -51,7 +52,7 @@ class ForgotPasswordController extends Controller
             if (isset($user)) {
                 $user1 = $user->email;
                 //gen new code and pass
-                $code = str_random(60);
+                $code = Str::random(60);
                 $password_reset_table = \DB::table('password_resets')->where('email', '=', $user->email)->first();
                 if (isset($password_reset_table)) {
                     $password_reset_table = \DB::table('password_resets')->where('email', '=', $user->email)->update(['token' => $code, 'created_at' => $date]);
diff --git a/app/Http/Controllers/Auth/PasswordController.php b/app/Http/Controllers/Auth/PasswordController.php
index 830d77ac0..dd4bf67f7 100644
--- a/app/Http/Controllers/Auth/PasswordController.php
+++ b/app/Http/Controllers/Auth/PasswordController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers\Auth;
 
 // controllers
+use Illuminate\Support\Str;
 use App\Http\Controllers\Common\PhpMailController;
 use App\Http\Controllers\Controller;
 // request
@@ -58,7 +59,7 @@ class PasswordController extends Controller
             if (isset($user)) {
                 $user1 = $user->email;
                 //gen new code and pass
-                $code = str_random(60);
+                $code = Str::random(60);
                 $password_reset_table = \DB::table('password_resets')->where('email', '=', $user->email)->first();
                 if (isset($password_reset_table)) {
                     $password_reset_table = \DB::table('password_resets')->where('email', '=', $user->email)->update(['token' => $code, 'created_at' => $date]);
diff --git a/app/Http/Controllers/Common/SettingsController.php b/app/Http/Controllers/Common/SettingsController.php
index 8a39309ce..038880a24 100644
--- a/app/Http/Controllers/Common/SettingsController.php
+++ b/app/Http/Controllers/Common/SettingsController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers\Common;
 
 // controllers
+use Illuminate\Support\Arr;
 use App\Http\Controllers\Controller;
 // requests
 use App\Http\Requests;
@@ -303,7 +304,7 @@ class SettingsController extends Controller
         return \Datatable::collection(new Collection($plugins))
                         ->searchColumns('name')
                         ->addColumn('name', function ($model) {
-                            if (array_has($model, 'path')) {
+                            if (Arr::has($model, 'path')) {
                                 if ($model['status'] == 0) {
                                     $activate = '<a href='.url('plugin/status/'.$model['path']).'>Activate</a>';
                                     $settings = ' ';
diff --git a/app/Http/Controllers/Update/UpgradeController.php b/app/Http/Controllers/Update/UpgradeController.php
index df20cdd55..c5b4515f6 100644
--- a/app/Http/Controllers/Update/UpgradeController.php
+++ b/app/Http/Controllers/Update/UpgradeController.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers\Update;
 
+use Illuminate\Support\Str;
 use App\Http\Controllers\Controller;
 use App\Http\Controllers\Utility\LibraryController as Utility;
 use App\Model\Update\BarNotification;
@@ -43,7 +44,7 @@ class UpgradeController extends Controller
                 'data' => $data,
             ];
             $url = 'http://faveohelpdesk.com/billing/public/verification';
-            if (str_contains($url, ' ')) {
+            if (Str::contains($url, ' ')) {
                 $url = str_replace(' ', '%20', $url);
             }
             $curl = $this->postCurl($url, $post_data);
@@ -65,7 +66,7 @@ class UpgradeController extends Controller
     {
         $name = \Config::get('app.name');
         $durl = 'http://www.faveohelpdesk.com/billing/public/download-url';
-        if (str_contains($durl, ' ')) {
+        if (Str::contains($durl, ' ')) {
             $durl = str_replace(' ', '%20', $durl);
         }
         $data = [
diff --git a/app/Http/Requests/helpdesk/ClientRequest.php b/app/Http/Requests/helpdesk/ClientRequest.php
index b18e38384..71fc3ea31 100644
--- a/app/Http/Requests/helpdesk/ClientRequest.php
+++ b/app/Http/Requests/helpdesk/ClientRequest.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Requests\helpdesk;
 
+use Illuminate\Support\Arr;
 use App\Http\Requests\Request;
 use App\Model\helpdesk\Settings\CommonSettings;
 
@@ -158,6 +159,6 @@ class ClientRequest extends Request
 //                $purified[] = $this->purifyArray($value);
 //            }
 //        }
-//        return array_dot($purified);
+//        return Arr::dot($purified);
 //    }
 }
diff --git a/app/Http/helpers.php b/app/Http/helpers.php
index bed866e81..8fd0d46db 100644
--- a/app/Http/helpers.php
+++ b/app/Http/helpers.php
@@ -1,5 +1,7 @@
 <?php
 
+use Illuminate\Support\Str;
+
 function loging($context, $message, $level = 'error', $array = [])
 {
     \Log::$level($message.':-:-:-'.$context, $array);
@@ -30,14 +32,14 @@ function mime($type)
             $type == 'image/gif' ||
            // $type == "application/octet-stream" ||
             $type == 'image/png' ||
-            starts_with($type, 'image')) {
+            Str::startsWith($type, 'image')) {
         return 'image';
     }
 }
 
 function removeUnderscore($string)
 {
-    if (str_contains($string, '_') === true) {
+    if (Str::contains($string, '_') === true) {
         $string = str_replace('_', ' ', $string);
     }
 
diff --git a/app/Model/helpdesk/Ticket/Ticket_attachments.php b/app/Model/helpdesk/Ticket/Ticket_attachments.php
index eff6b5e2f..7f3c17549 100644
--- a/app/Model/helpdesk/Ticket/Ticket_attachments.php
+++ b/app/Model/helpdesk/Ticket/Ticket_attachments.php
@@ -2,6 +2,7 @@
 
 namespace App\Model\helpdesk\Ticket;
 
+use Illuminate\Support\Str;
 use Illuminate\Database\Eloquent\Model;
 
 class Ticket_attachments extends Model
@@ -60,7 +61,7 @@ class Ticket_attachments extends Model
 
                 return '<li style="background-color:#f4f4f4;"><span class="mailbox-attachment-icon has-img">'.$var.'</span><div class="mailbox-attachment-info"><b style="word-wrap: break-word;">'.$this->name.'</b><br/><p>'.$value.'</p></div></li>';
             } else {
-                $var = '<a style="max-width:200px;height:133px;color:#666;" href="'.\URL::route('image', ['image_id' => $this->id]).'" target="_blank"><span class="mailbox-attachment-icon" style="background-color:#fff; font-size:18px;">'.strtoupper(str_limit($this->type, 15)).'</span><div class="mailbox-attachment-info"><span ><b style="word-wrap: break-word;">'.$this->name.'</b><br/><p>'.$value.'</p></span></div></a>';
+                $var = '<a style="max-width:200px;height:133px;color:#666;" href="'.\URL::route('image', ['image_id' => $this->id]).'" target="_blank"><span class="mailbox-attachment-icon" style="background-color:#fff; font-size:18px;">'.strtoupper(Str::limit($this->type, 15)).'</span><div class="mailbox-attachment-info"><span ><b style="word-wrap: break-word;">'.$this->name.'</b><br/><p>'.$value.'</p></span></div></a>';
 
                 return '<li style="background-color:#f4f4f4;">'.$var.'</li>';
             }
diff --git a/resources/views/themes/default1/agent/helpdesk/organization/show.blade.php b/resources/views/themes/default1/agent/helpdesk/organization/show.blade.php
index 13a2baa05..4532646b6 100644
--- a/resources/views/themes/default1/agent/helpdesk/organization/show.blade.php
+++ b/resources/views/themes/default1/agent/helpdesk/organization/show.blade.php
@@ -66,7 +66,7 @@ class="nav-link active"
         <div class="card card-light card-outline">
 
             <div class="card-body box-profile">
-                <h3 class="profile-username text-center has-tooltip" title="{{$orgs->name}}">{{str_limit($orgs->name,15)}}</h3> 
+                <h3 class="profile-username text-center has-tooltip" title="{{$orgs->name}}">{{Str::limit($orgs->name,15)}}</h3> 
 
                 <p class="text-muted text-center">Organization</p> 
 
@@ -80,14 +80,14 @@ class="nav-link active"
                     <li class="list-group-item">
 
                         <label>{!! Lang::get('lang.website') !!}</label> 
-                        <a class="float-right" title="{{$orgs->website}}">{!! str_limit($orgs->website,15) !!}</a>
+                        <a class="float-right" title="{{$orgs->website}}">{!! Str::limit($orgs->website,15) !!}</a>
                     </li>
 
                     @if($orgs->phone)
                     <li class="list-group-item">
 
                         <label>{!! Lang::get('lang.phone') !!}</label> 
-                        <a class="float-right" title="{{$orgs->phone}}">{!! str_limit($orgs->phone,15) !!}</a>
+                        <a class="float-right" title="{{$orgs->phone}}">{!! Str::limit($orgs->phone,15) !!}</a>
                     </li>
                     @endif
 
@@ -129,7 +129,7 @@ class="nav-link active"
                         <img src="{{ Gravatar::src( $users->email) }}" class="img-circle elevation-2">
                     </div>
 
-                    <h3 class="widget-user-username" title="{{$users->user_name}}">{!! str_limit($users->user_name,15) !!}</h3> 
+                    <h3 class="widget-user-username" title="{{$users->user_name}}">{!! Str::limit($users->user_name,15) !!}</h3> 
 
                     <h5 class="widget-user-desc" style="font-size: 14px;">Organization Manager</h5>
                 </div>
@@ -142,7 +142,7 @@ class="nav-link active"
 
                             <a href="javascript:;" class="nav-link text-dark"> {!! Lang::get('lang.e-mail') !!}  
 
-                                <span class="float-right" title="{{$users->email}}">{!! str_limit($users->email,15) !!}</span>
+                                <span class="float-right" title="{{$users->email}}">{!! Str::limit($users->email,15) !!}</span>
                             </a>
                         </li>
 
@@ -150,7 +150,7 @@ class="nav-link active"
 
                             <a href="javascript:;" class="nav-link text-dark"> {!! Lang::get('lang.phone') !!}  
 
-                                <span class="float-right" title="{{$users->phone_number}}">{!! str_limit($users->phone_number,15) !!}</span>
+                                <span class="float-right" title="{{$users->phone_number}}">{!! Str::limit($users->phone_number,15) !!}</span>
                             </a>
                         </li>
                     </ul>
diff --git a/resources/views/themes/default1/agent/helpdesk/ticket/timeline-header.blade.php b/resources/views/themes/default1/agent/helpdesk/ticket/timeline-header.blade.php
index 6d1060a65..f13cbbf4e 100644
--- a/resources/views/themes/default1/agent/helpdesk/ticket/timeline-header.blade.php
+++ b/resources/views/themes/default1/agent/helpdesk/ticket/timeline-header.blade.php
@@ -3,10 +3,10 @@
         Lang::get('lang.status')=>$status->name,
         Lang::get('lang.priority')=>$priority->priority_desc,
         Lang::get('lang.department')=>$dept123->name,
-        Lang::get('lang.email')=>str_limit($user->email,30),
+        Lang::get('lang.email')=>Str::limit($user->email,30),
         Lang::get('lang.source')=>$ticket_source,
         Lang::get('lang.help_topic')=>$help_topic->topic,
-        Lang::get('lang.last_message')=>str_limit($username,30),
+        Lang::get('lang.last_message')=>Str::limit($username,30),
         Lang::get('lang.organization') => $LastResponse->getOrgWithLink(),   
     ];
     
diff --git a/resources/views/themes/default1/agent/helpdesk/ticket/timeline.blade.php b/resources/views/themes/default1/agent/helpdesk/ticket/timeline.blade.php
index bb5dab32d..8d6f207f5 100755
--- a/resources/views/themes/default1/agent/helpdesk/ticket/timeline.blade.php
+++ b/resources/views/themes/default1/agent/helpdesk/ticket/timeline.blade.php
@@ -266,7 +266,7 @@ if ($thread->title != "") {
                             @if($dept123)
                             <td title="{{$dept123->name}}">{{$dept123->name}}</td></tr>
                             @endif
-                        <tr><td><b>{!! Lang::get('lang.email') !!}:</b></td>        <td>{{str_limit($user->email,30)}}</td></tr>
+                        <tr><td><b>{!! Lang::get('lang.email') !!}:</b></td>        <td>{{Str::limit($user->email,30)}}</td></tr>
                         @if($user->ban > 0)  <tr><td style="color:orange;"><i class="fa fa-warning"></i><b>
                                     {!!  Lang::get('lang.this_ticket_is_under_banned_user')!!}</td><td></td></tr>@endif
                     </div>
@@ -303,7 +303,7 @@ if ($thread->title != "") {
                         @if($user->mobile !=null)<tr><td><b>{!! Lang::get('lang.mobile') !!}:</b></td>          <td>{{$user->ext . $user->mobile}}</td></tr>@endif
                         <tr><td><b>{!! Lang::get('lang.source') !!}:</b></td>         <td>{{$ticket_source}}</td></tr>
                         <tr><td><b>{!! Lang::get('lang.help_topic') !!}:</b></td>     <?php $help_topic = App\Model\helpdesk\Manage\Help_topic::where('id', '=', $tickets->help_topic_id)->first(); ?><td title="{{$help_topic->topic}}">{{$help_topic->topic}}</td></tr>
-                        <tr><td><b>{!! Lang::get('lang.last_message') !!}:</b></td>   <td>{{str_limit($username,30)}}</td></tr>
+                        <tr><td><b>{!! Lang::get('lang.last_message') !!}:</b></td>   <td>{{Str::limit($username,30)}}</td></tr>
                         <tr><td><b>{!! Lang::get('lang.organization') !!}:</b></td>   <td>{!!$LastResponse->getOrgWithLink()!!}</td></tr>
                         <?php Event::fire(new App\Events\TicketDetailTable($TicketData)); ?>
                     </div>
@@ -661,9 +661,9 @@ if ($thread->title != "") {
                                             @endif
                                             
                                             @if($conversation->user_id != null) 
-                                                <a href='{!! url("/user/".$role->id) !!}'>{!! str_limit($usernam,30) !!}</a>
+                                                <a href='{!! url("/user/".$role->id) !!}'>{!! Str::limit($usernam,30) !!}</a>
                                             @else
-                                                {!! str_limit($usernam,30) !!}
+                                                {!! Str::limit($usernam,30) !!}
                                             @endif
 
                                             @if($conversation->id == $ij->id)
diff --git a/resources/views/themes/default1/agent/helpdesk/user/show.blade.php b/resources/views/themes/default1/agent/helpdesk/user/show.blade.php
index a6f597767..fbfdc2e69 100644
--- a/resources/views/themes/default1/agent/helpdesk/user/show.blade.php
+++ b/resources/views/themes/default1/agent/helpdesk/user/show.blade.php
@@ -106,18 +106,18 @@ class="nav-link active"
                         @else
                         <?php  $name_of_user = $users->user_name; ?>
                         @endif
-                        <h4 class="" title="{{$name_of_user}}">{{str_limit($name_of_user, 25)}}</h4>
+                        <h4 class="" title="{{$name_of_user}}">{{Str::limit($name_of_user, 25)}}</h4>
                     </center>
                 </div>
 
                 <ul class="list-group list-group-unbordered mb-3 mt-3">
                      @if($users->user_name)
                     <li class="list-group-item mb-0">
-                        <b>{{Lang::get('lang.user_name')}}</b> <a class="float-right" title="{{$users->user_name}}">{{str_limit($users->user_name,10) }}</a>
+                        <b>{{Lang::get('lang.user_name')}}</b> <a class="float-right" title="{{$users->user_name}}">{{Str::limit($users->user_name,10) }}</a>
                     </li>
                      @endif
                      <li class="list-group-item mb-0">
-                        <b>{{Lang::get('lang.email')}}</b> <a class="float-right" title="{{$users->email}}"> {{str_limit($users->email,10) }}</a>
+                        <b>{{Lang::get('lang.email')}}</b> <a class="float-right" title="{{$users->email}}"> {{Str::limit($users->email,10) }}</a>
                     </li>
 
                     @if($users->is_delete != '1')
@@ -144,7 +144,7 @@ class="nav-link active"
 
                         &nbsp;&nbsp;&nbsp;
 
-                        <a href=""  data-toggle="modal" data-target="#editassign" title="{{$organization->name}}"> <span style="color:green;">{{str_limit($organization->name,10)}}</span> </a>
+                        <a href=""  data-toggle="modal" data-target="#editassign" title="{{$organization->name}}"> <span style="color:green;">{{Str::limit($organization->name,10)}}</span> </a>
 
 
                         <a class="float-right" href="#" data-toggle="modal" data-target="#delete-{{$org_id}}" title="{!! Lang::get('lang.remove') !!}"><i class="fas fa-times" style="color:red;"> </i></a> 
@@ -196,25 +196,25 @@ class="nav-link active"
                     @if($users->country_code)
                     <li class="list-group-item mb-0">
                         <b>{{Lang::get('lang.country_code')}}</b> <a class="float-right" title="{{$users->country_code}}"> 
-                            {{str_limit($users->country_code,10) }}</a>
+                            {{Str::limit($users->country_code,10) }}</a>
                     </li>
                     @endif
 
                     @if($users->ext)
                     <li class="list-group-item mb-0">
-                        <b>{{Lang::get('lang.ext')}}</b> <a class="float-right" title="{{$users->ext}}"> {{str_limit($users->ext,10)}}</a>
+                        <b>{{Lang::get('lang.ext')}}</b> <a class="float-right" title="{{$users->ext}}"> {{Str::limit($users->ext,10)}}</a>
                     </li>
                     @endif
 
                     @if($users->mobile)
                     <li class="list-group-item mb-0">
-                        <b>{{Lang::get('lang.mobile')}}</b> <a class="float-right" title="{{$users->mobile}}"> {{str_limit($users->mobile,10)}}</a>
+                        <b>{{Lang::get('lang.mobile')}}</b> <a class="float-right" title="{{$users->mobile}}"> {{Str::limit($users->mobile,10)}}</a>
                     </li>
                     @endif
 
                     @if($users->phone_number)
                     <li class="list-group-item mb-0">
-                        <b>{{Lang::get('lang.phone')}}</b><a class="float-right" title="{{$users->phone_number}}">{{str_limit($users->phone_number,10)}}</a>
+                        <b>{{Lang::get('lang.phone')}}</b><a class="float-right" title="{{$users->phone_number}}">{{Str::limit($users->phone_number,10)}}</a>
                     </li>
                     @endif
 
diff --git a/resources/views/vendor/laravel-filemanager/files.blade.php b/resources/views/vendor/laravel-filemanager/files.blade.php
index 9e8996e5e..9a6282867 100644
--- a/resources/views/vendor/laravel-filemanager/files.blade.php
+++ b/resources/views/vendor/laravel-filemanager/files.blade.php
@@ -13,7 +13,7 @@
                     <div class="caption text-center">
                         <div class="btn-group">
                             <button type="button" onclick="clickFolder('folder_{{ $key }}',0)" class="btn btn-default btn-xs">
-                                {{ str_limit($dir_name, $limit = 10, $end = '...') }}
+                                {{ Str::limit($dir_name, $limit = 10, $end = '...') }}
                             </button>
                             <button type="button" class="btn btn-default dropdown-toggle btn-xs" data-toggle="dropdown" aria-expanded="false">
                                 <span class="caret"></span>
@@ -42,7 +42,7 @@
                     <div class="caption text-center">
                         <div class="btn-group ">
                             <button type="button" onclick="useFile('{{ $file_name }}')" class="btn btn-default btn-xs">
-                                {{ str_limit($file_name, $limit = 10, $end = '...') }}
+                                {{ Str::limit($file_name, $limit = 10, $end = '...') }}
                             </button>
                             <button type="button" class="btn btn-default dropdown-toggle btn-xs" data-toggle="dropdown" aria-expanded="false">
                                 <span class="caret"></span>
diff --git a/resources/views/vendor/laravel-filemanager/folders.blade.php b/resources/views/vendor/laravel-filemanager/folders.blade.php
index 75ab97946..9ad5989d1 100644
--- a/resources/views/vendor/laravel-filemanager/folders.blade.php
+++ b/resources/views/vendor/laravel-filemanager/folders.blade.php
@@ -7,7 +7,7 @@
   <div class="caption text-center">
     <div class="btn-group">
       <button type="button" data-id="{{ $dir_name['long'] }}" class="btn btn-default btn-xs folder-item">
-        {{ str_limit($dir_name['short'], $limit = 10, $end = '...') }}
+        {{ Str::limit($dir_name['short'], $limit = 10, $end = '...') }}
       </button>
       <button type="button" class="btn btn-default dropdown-toggle btn-xs" data-toggle="dropdown" aria-expanded="false">
         <span class="caret"></span>
diff --git a/resources/views/vendor/laravel-filemanager/images.blade.php b/resources/views/vendor/laravel-filemanager/images.blade.php
index a4333ea3b..c41ea2838 100644
--- a/resources/views/vendor/laravel-filemanager/images.blade.php
+++ b/resources/views/vendor/laravel-filemanager/images.blade.php
@@ -14,7 +14,7 @@
                     <div class="caption text-center">
                         <div class="btn-group">
                             <button type="button" onclick="clickFolder('folder_{{ $key }}',0)" class="btn btn-default btn-xs">
-                                {{ str_limit($dir_name, $limit = 10, $end = '...') }}
+                                {{ Str::limit($dir_name, $limit = 10, $end = '...') }}
                             </button>
                             <button type="button" class="btn btn-default dropdown-toggle btn-xs" data-toggle="dropdown" aria-expanded="false">
                                 <span class="caret"></span>
@@ -44,7 +44,7 @@
                     <div class="caption text-center">
                         <div class="btn-group ">
                             <button type="button" onclick="useFile('{{ $file_name }}')" class="btn btn-default btn-xs">
-                                {{ str_limit($file_name, $limit = 10, $end = '...') }}
+                                {{ Str::limit($file_name, $limit = 10, $end = '...') }}
                             </button>
                             <button type="button" class="btn btn-default dropdown-toggle btn-xs" data-toggle="dropdown" aria-expanded="false">
                                 <span class="caret"></span>
diff --git a/resources/views/vendor/laravel-filemanager/item.blade.php b/resources/views/vendor/laravel-filemanager/item.blade.php
index 45ec0745b..890d38f04 100644
--- a/resources/views/vendor/laravel-filemanager/item.blade.php
+++ b/resources/views/vendor/laravel-filemanager/item.blade.php
@@ -16,7 +16,7 @@
   <div class="caption text-center">
     <div class="btn-group">
       <button type="button" onclick="useFile('{{ $file_name }}')" class="btn btn-default btn-xs">
-        {{ str_limit($file_name, $limit = 10, $end = '...') }}
+        {{ Str::limit($file_name, $limit = 10, $end = '...') }}
       </button>
       <button type="button" class="btn btn-default dropdown-toggle btn-xs" data-toggle="dropdown" aria-expanded="false">
         <span class="caret"></span>