<?
$file = "app/config/app.php";
$file_contents = file($file);

$service_providers = <<<'SERVICE_PROVIDERS'
      'Shoulderscms\Shoulderscms\ShoulderscmsServiceProvider', \n
      'Lavary\Menu\ServiceProvider', \n
      'Jaybizzle\Safeurl\SafeurlServiceProvider', \n
SERVICE_PROVIDERS;

$temp_file = fopen("app/config/app.temp.php");

$write_the_providers = false;

foreach($file_contents as $line){

  // We found the providers array declaration
  // Now write the service providers
  if($write_the_providers === true){
    fwrite($temp_file, $service_providers);
    $write_the_providers = false; // done writing the service providers
    continue;
  }
  //look for the declaration of the providers array
  if(substr($line, "'providers' => array(") !== false){
    // on the next line, we need to write the service providers lines
    $write_the_providers = true;
  }
  fwrite($temp_file, $line);
}

unlink($file);
rename($temp_file, "app/config/app.php");