Show version in CLI

composer.json

@@ -37,17 +37,18 @@
     ],
     "require": {
         "php-64bit": ">=8.1",
+        "composer-runtime-api": "*",
         "cakephp/database": "^5.0.2",
         "psr/container": "^1.1|^2.0",
-        "symfony/console": "^6.0|^7.0",
-        "symfony/config": "^3.4|^4.0|^5.0|^6.0|^7.0"
+        "symfony/config": "^3.4|^4.0|^5.0|^6.0|^7.0",
+        "symfony/console": "^6.0|^7.0"
     },
     "require-dev": {
         "ext-json": "*",
         "ext-pdo": "*",
-        "phpunit/phpunit": "^9.5.19",
         "cakephp/cakephp": "^5.0.2",
         "cakephp/cakephp-codesniffer": "^5.0",
+        "phpunit/phpunit": "^9.5.19",
         "symfony/yaml": "^3.4|^4.0|^5.0|^6.0|^7.0"
     },
     "autoload": {

src/Phinx/Console/PhinxApplication.php

@@ -8,6 +8,7 @@
 
 namespace Phinx\Console;
 
+use Composer\InstalledVersions;
 use Phinx\Console\Command\Breakpoint;
 use Phinx\Console\Command\Create;
 use Phinx\Console\Command\Init;
@@ -27,12 +28,17 @@
  */
 class PhinxApplication extends Application
 {
+    /**
+     * @var string The current application version as determined by the getVersion() function.
+     */
+    private string $version;
+
     /**
      * Initialize the Phinx console application.
      */
     public function __construct()
     {
-        parent::__construct('Phinx by CakePHP - https://phinx.org.');
+        parent::__construct('Phinx by CakePHP - https://phinx.org.', $this->getVersion());
 
         $this->addCommands([
             new Init(),
@@ -68,4 +74,18 @@ public function doRun(InputInterface $input, OutputInterface $output): int
 
         return parent::doRun($input, $output);
     }
+
+    /**
+     * Get the current application version.
+     *
+     * @return string The application version if it could be found, otherwise 'UNKNOWN'
+     */
+    public function getVersion(): string
+    {
+        if (isset($this->version)) {
+            return $this->version;
+        }
+
+        return $this->version = InstalledVersions::getPrettyVersion('robmorgan/phinx') ?? 'UNKNOWN';
+    }
 }