fixed descriptions

Author: mirko-pagliai

src/Command/DeleteAllCommand.php

@@ -38,7 +38,7 @@ protected function buildOptionParser(ConsoleOptionParser $parser)
      * Deletes all backup files
      * @param \Cake\Console\Arguments $args The command arguments
      * @param \Cake\Console\ConsoleIo $io The console io
-     * @return null|int The exit code or null for success
+     * @return int|null The exit code or null for success
      * @see https://github.com/mirko-pagliai/cakephp-database-backup/wiki/How-to-use-the-BackupShell#delete_all
      * @uses DatabaseBackup\Utility\BackupManager::deleteAll()
      */

src/Command/ExportCommand.php

@@ -66,7 +66,7 @@ protected function buildOptionParser(ConsoleOptionParser $parser)
      * This command uses `RotateCommand` and `SendCommand`.
      * @param \Cake\Console\Arguments $args The command arguments
      * @param \Cake\Console\ConsoleIo $io The console io
-     * @return null|int The exit code or null for success
+     * @return int|null The exit code or null for success
      * @see https://github.com/mirko-pagliai/cakephp-database-backup/wiki/How-to-use-the-BackupShell#export
      * @uses DatabaseBackup\Command\RotateCommand::execute()
      * @uses DatabaseBackup\Command\SendCommand::execute()

src/Command/ImportCommand.php

@@ -43,7 +43,7 @@ protected function buildOptionParser(ConsoleOptionParser $parser)
      * Imports a database backup
      * @param \Cake\Console\Arguments $args The command arguments
      * @param \Cake\Console\ConsoleIo $io The console io
-     * @return null|int The exit code or null for success
+     * @return int|null The exit code or null for success
      * @see https://github.com/mirko-pagliai/cakephp-database-backup/wiki/How-to-use-the-BackupShell#import
      * @uses DatabaseBackup\Utility\BackupImport::filename()
      * @uses DatabaseBackup\Utility\BackupImport::import()

src/Command/IndexCommand.php

@@ -40,7 +40,7 @@ protected function buildOptionParser(ConsoleOptionParser $parser)
      * Lists database backups
      * @param \Cake\Console\Arguments $args The command arguments
      * @param \Cake\Console\ConsoleIo $io The console io
-     * @return null|int The exit code or null for success
+     * @return int|null The exit code or null for success
      * @see https://github.com/mirko-pagliai/cakephp-database-backup/wiki/How-to-use-the-BackupShell#index
      * @uses DatabaseBackup\Utility\BackupManager::index()
      */

src/Command/RotateCommand.php

@@ -46,7 +46,7 @@ protected function buildOptionParser(ConsoleOptionParser $parser)
      *  delete all backups that are older. By default, no backup will be deleted
      * @param \Cake\Console\Arguments $args The command arguments
      * @param \Cake\Console\ConsoleIo $io The console io
-     * @return null|int The exit code or null for success
+     * @return int|null The exit code or null for success
      * @see https://github.com/mirko-pagliai/cakephp-database-backup/wiki/How-to-use-the-BackupShell#rotate
      * @uses DatabaseBackup\Utility\BackupManager::rotate()
      */

src/Command/SendCommand.php

@@ -49,7 +49,7 @@ protected function buildOptionParser(ConsoleOptionParser $parser)
      * Sends a backup file via email
      * @param \Cake\Console\Arguments $args The command arguments
      * @param \Cake\Console\ConsoleIo $io The console io
-     * @return null|int The exit code or null for success
+     * @return int|null The exit code or null for success
      * @see https://github.com/mirko-pagliai/cakephp-database-backup/wiki/How-to-use-the-BackupShell#send
      * @uses DatabaseBackup\Utility\BackupManager::send()
      */