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system/Commands/Cache/ClearCache.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\Commands\Cache;
+
+use CodeIgniter\Cache\CacheFactory;
+use CodeIgniter\CLI\BaseCommand;
+use CodeIgniter\CLI\CLI;
+
+/**
+ * Clears current cache.
+ */
+class ClearCache extends BaseCommand
+{
+    /**
+     * Command grouping.
+     *
+     * @var string
+     */
+    protected $group = 'Cache';
+
+    /**
+     * The Command's name
+     *
+     * @var string
+     */
+    protected $name = 'cache:clear';
+
+    /**
+     * the Command's short description
+     *
+     * @var string
+     */
+    protected $description = 'Clears the current system caches.';
+
+    /**
+     * the Command's usage
+     *
+     * @var string
+     */
+    protected $usage = 'cache:clear [driver]';
+
+    /**
+     * the Command's Arguments
+     *
+     * @var array
+     */
+    protected $arguments = [
+        'driver' => 'The cache driver to use',
+    ];
+
+    /**
+     * Clears the cache
+     */
+    public function run(array $params)
+    {
+        $config  = config('Cache');
+        $handler = $params[0] ?? $config->handler;
+
+        if (! array_key_exists($handler, $config->validHandlers)) {
+            CLI::error($handler . ' is not a valid cache handler.');
+
+            return;
+        }
+
+        $config->handler = $handler;
+        $cache           = CacheFactory::getHandler($config);
+
+        if (! $cache->clean()) {
+            // @codeCoverageIgnoreStart
+            CLI::error('Error while clearing the cache.');
+
+            return;
+            // @codeCoverageIgnoreEnd
+        }
+
+        CLI::write(CLI::color('Cache cleared.', 'green'));
+    }
+}