Add json format to the dump command

Author: GromNaN

src/Command/DumpEncryptedFieldsMapCommand.php

@@ -38,7 +38,14 @@ public function __construct(private readonly ServiceCollectionInterface $documen
 
     protected function configure(): void
     {
-        $this->addOption('format', 'f', InputOption::VALUE_REQUIRED, 'The output format for the encrypted fields map (yaml, php)', 'yaml');
+        $this->addOption(
+            'format',
+            'f',
+            InputOption::VALUE_REQUIRED,
+            'The output format for the encrypted fields map (yaml, php)',
+            'yaml',
+            ['yaml', 'php', 'json']
+        );
     }
 
     protected function execute(InputInterface $input, OutputInterface $output): int
@@ -77,6 +84,9 @@ protected function execute(InputInterface $input, OutputInterface $output): int
                 case 'php':
                     $outputContent = var_export($encryptedFieldsMap, true);
                     break;
+                case 'json':
+                    $outputContent = json_encode($encryptedFieldsMap, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR);
+                    break;
                 default:
                     $io->error(sprintf('Unknown format "%s"', $format));