Initial

system/CLI/CommandRunner.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\CLI;
+
+use CodeIgniter\Controller;
+use Config\Services;
+use ReflectionException;
+
+/**
+ * Command runner
+ */
+class CommandRunner extends Controller
+{
+    /**
+     * Instance of class managing the collection of commands
+     *
+     * @var Commands
+     */
+    protected $commands;
+
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        $this->commands = Services::commands();
+    }
+
+    /**
+     * We map all un-routed CLI methods through this function
+     * so we have the chance to look for a Command first.
+     *
+     * @param string $method
+     * @param array  ...$params
+     *
+     * @throws ReflectionException
+     *
+     * @return mixed
+     */
+    public function _remap($method, ...$params)
+    {
+        // The first param is usually empty, so scrap it.
+        if (empty($params[0])) {
+            array_shift($params);
+        }
+
+        return $this->index($params);
+    }
+
+    /**
+     * Default command.
+     *
+     * @throws ReflectionException
+     *
+     * @return mixed
+     */
+    public function index(array $params)
+    {
+        $command = array_shift($params) ?? 'list';
+
+        return $this->commands->run($command, $params);
+    }
+
+    /**
+     * Allows access to the current commands that have been found.
+     */
+    public function getCommands(): array
+    {
+        return $this->commands->getCommands();
+    }
+}