php artisan package:discover laravel project composer install

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• Writing to custom log aswell as laravel.log in laravel 5

  Im trying to write a custom log for my laravel application, as the application is quite large so I want to organise my log files.

  The issue is, if at any point the application errors, it writes to the laravel.log file and kills the script, as php does.

  So for example, I have a custom log library like so

  <?php
  
  namespace App\Libraries\Logs;
  
  use Monolog\Logger;
  use Monolog\Handler\StreamHandler;
  
  use Log;
  
  class CustomLogsLibrary {
  
      public function userError($error){
  
          $orderLog = new Logger('users');
          $orderLog->pushHandler(new StreamHandler(storage_path('logs/users.log')), Logger::INFO);
          $orderLog->info('Error 1', $error);
  
      }
  
  }
  

  and then if this is my script

      $user = new User;
      $user->nae = $request->name; //Name spelt wrong on purpose
      $user->email = $request->email;
      $user->password = bcrypt($request->password);
      if(!$user->save()){
          $errorCode = (new CustomLogsLibrary)->userError($user->save()); 
      }
  

  As you can probably see i've spelt 'name' wrong in the user object to force an error.

  Laravel then errors on the misspelt name and dies, meaning it never actually reaches my custom log function, instead it logs

  Column not found: 1054 Unknown column 'nme' in 'field list'

  to laravel.log and then dies. I know it will hit the function if the false is returned, but when false is not returned and the function errors for a different reason, I still want to log it in a custom file.

  How do I get around this?

  I want to be able to organise all errors into separate files, and prioritise writing to those files over the standard laravel.log file.
• Laravel (5.6) Service Poviders

  So I have been disabling certain services in my laravel application.

  But when I disabled QueueService Provider since I was not using queue service and tried running artisan commands it displayed error "Class queue.listener not found" can some one tell me where is it (QueueServiceProvider) being used by laravel ?.

  The same happens if I disable TranslationServiceProvider stating Class translator not found. I removed all __() operators from laravel auth scaffoldings and searched for trans() methods in the configs but no progess.

  Help needed thank you.
• routing method when datatable and insert form are together

  I am trying to implement datatable in my form. I've a form and below that I've to show all the data present in the database. I am following the tutorial https://www.youtube.com/watch?v=zwz_cMvASCo

  I can not write the Route method for DataTable, the tutorial I was following teaches to display DataTable only, but here I have a form and below that display the DataTable. Please see the attached file.

  // OrderedBookController controller class
  
  use App\OrderedBook;
  use Datatables;
  
  public function index()
      {
          return view('pages.booksin');
      }
  
  function fetchData()
  {
      $ordered_books = OrderedBook::select('BookID', 'BilledNum','BilledDate', 'Qunatity', 'Price', 'Remarks');
      return Datatables::of($ordered_books)->make(true); //return an instance of the class or interface you request
  }
  
  //OrderedBook model class
  class OrderedBook extends Model
  {
      //
  }
  

  I do not know how to write route method to show the data. My web.php class

  Route::resource('/order','OrderedBookController');
  

  My view page is inside resources\views\pages\booksin.blade.php

  view page sample code

  <table id="showBooksIn" class="table table-bordered">
              <thead>
                  <tr>
                      <th>BOOK ID</th>
                      <th>BILLED DATE</th>
                      <th>BILLED NUMBER</th>
                      <th>QUANTITY</th>
                      <th>PRICE</th>
                      <th>REMARKS</th>
                  </tr>
              </thead>
          </table>
  
  <script type="text/javascript">
          $(document).ready(function(){
          $('#showBooksIn').DataTable({
              "processing":true,
              "serverside":true,
              "columns":[
                  {"data": "BookID"},
                  {"data": "BilledNum"},
                  {"data": "BilledDate"},
                  {"data": "Qunatity"},
                  {"data": "Price"},
                  {"data": "Remarks"},
  
  
              ]
          });
      });
  </script>
  

  
• Composer require-dev problems

  i have installed developer mode on windows at work, and i have a lot problems with installing some programs/features that i need to run project. One of problems is when i run composer install or composer install --no-plugins --no-scripts, it always give me this errors.

      Loading composer repositories with package information
  Installing dependencies (including require-dev) from lock file
  Your requirements could not be resolved to an installable set of packages.
  
    Problem 1
      - Installation request for dompdf/dompdf v0.8.2 -> satisfiable by dompdf/dompdf[v0.8.2].
      - dompdf/dompdf v0.8.2 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    Problem 2
      - Installation request for erusev/parsedown 1.7.1 -> satisfiable by erusev/parsedown[1.7.1].
      - erusev/parsedown 1.7.1 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    Problem 3
      - Installation request for laravel/framework v5.5.40 -> satisfiable by laravel/framework[v5.5.40].
      - laravel/framework v5.5.40 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    Problem 4
      - Installation request for league/csv 8.2.3 -> satisfiable by league/csv[8.2.3].
      - league/csv 8.2.3 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    Problem 5
      - Installation request for teamtnt/tntsearch v1.3.1 -> satisfiable by teamtnt/tntsearch[v1.3.1].
      - teamtnt/tntsearch v1.3.1 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    Problem 6
      - Installation request for facebook/webdriver 1.3.0 -> satisfiable by facebook/webdriver[1.3.0].
      - facebook/webdriver 1.3.0 requires ext-curl * -> the requested PHP extension curl is missing from your system.
    Problem 7
      - Installation request for phpunit/phpunit 6.5.8 -> satisfiable by phpunit/phpunit[6.5.8].
      - phpunit/phpunit 6.5.8 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    Problem 8
      - dompdf/dompdf v0.8.2 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
      - barryvdh/laravel-dompdf v0.8.2 requires dompdf/dompdf ^0.8 -> satisfiable by dompdf/dompdf[v0.8.2].
      - Installation request for barryvdh/laravel-dompdf v0.8.2 -> satisfiable by barryvdh/laravel-dompdf[v0.8.2].
  
    To enable extensions, verify that they are enabled in those .ini files:
      - /etc/php/7.0/cli/php.ini
      - /etc/php/7.0/cli/conf.d/10-opcache.ini
      - /etc/php/7.0/cli/conf.d/10-pdo.ini
      - /etc/php/7.0/cli/conf.d/15-xml.ini
      - /etc/php/7.0/cli/conf.d/20-calendar.ini
      - /etc/php/7.0/cli/conf.d/20-ctype.ini
      - /etc/php/7.0/cli/conf.d/20-dom.ini
      - /etc/php/7.0/cli/conf.d/20-exif.ini
      - /etc/php/7.0/cli/conf.d/20-fileinfo.ini
      - /etc/php/7.0/cli/conf.d/20-ftp.ini
      - /etc/php/7.0/cli/conf.d/20-gd.ini
      - /etc/php/7.0/cli/conf.d/20-gettext.ini
      - /etc/php/7.0/cli/conf.d/20-iconv.ini
      - /etc/php/7.0/cli/conf.d/20-intl.ini
      - /etc/php/7.0/cli/conf.d/20-json.ini
      - /etc/php/7.0/cli/conf.d/20-phar.ini
      - /etc/php/7.0/cli/conf.d/20-posix.ini
      - /etc/php/7.0/cli/conf.d/20-readline.ini
      - /etc/php/7.0/cli/conf.d/20-shmop.ini
      - /etc/php/7.0/cli/conf.d/20-simplexml.ini
      - /etc/php/7.0/cli/conf.d/20-sockets.ini
      - /etc/php/7.0/cli/conf.d/20-sysvmsg.ini
      - /etc/php/7.0/cli/conf.d/20-sysvsem.ini
      - /etc/php/7.0/cli/conf.d/20-sysvshm.ini
      - /etc/php/7.0/cli/conf.d/20-tokenizer.ini
      - /etc/php/7.0/cli/conf.d/20-wddx.ini
      - /etc/php/7.0/cli/conf.d/20-xmlreader.ini
      - /etc/php/7.0/cli/conf.d/20-xmlwriter.ini
      - /etc/php/7.0/cli/conf.d/20-xsl.ini
    You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.
  

  I have installed PHP command php -v

  PHP 7.0.30-0ubuntu0.16.04.1 (cli) ( NTS )
  Copyright (c) 1997-2017 The PHP Group
  Zend Engine v3.0.0, Copyright (c) 1998-2017 Zend Technologies
      with Zend OPcache v7.0.30-0ubuntu0.16.04.1, Copyright (c) 1999-2017, by Zend Technologies
  
• Autoload tFPDF class with composer

  I want to use the tFPDF class and load it with composer-autoload. Since I could not find an official tFPDF composer repo, I simply downloaded the zip file and extracted it in the folder vendor/tfpdf.

  Next I added the psr-4 to the composer.json file:

   "autoload": {
          "psr-4": {
              "App\\": "app/",
              "tFPDF\\": "vendor/tFPDF"
          },
  

  I also added in the tfpdf.php the namespace

  <?php
  namespace tFPDF;
  
  define('tFPDF_VERSION','1.25');
  
  class tFPDF
  {
  

  Finally I produced a new autoload file:

  composer dump-autoload

  When I now try to create a PDF like this:

  $pdf = new \tFPDF\tfpdf();
  $pdf->AddPage();
  
  // Add a Unicode font (uses UTF-8)
  $pdf->AddFont('DejaVu','','DejaVuSansCondensed.ttf',true);
  

  Then the last line will rise an error:

  Cannot access private property tFPDF\TTFontFile::$charWidths

  

  Why is that and how can I fix it?
• composer version minimum-stability

  my composer.json

  {
      "name": "tcdeoliveira/Cakephpbsp",
      "description": "Cakebootstrap plugin for CakePHP",
      "type": "cakephp-plugin",
      "license": "MIT",
      "require": {
          "cakephp/cakephp": "*"
      },
      "require-dev": {
          "phpunit/phpunit": "*"
      },
      "autoload": {
          "psr-4": {
              "Cakebootstrap\\": "src/"
          }
      },
      "autoload-dev": {
          "psr-4": {
              "Cakebootstrap\\Test\\": "tests/",
              "Cake\\Test\\": "vendor/cakephp/cakephp/tests/"
          }
      }
  }