diff --git a/phpBB/config/default/container/services_console.yml b/phpBB/config/default/container/services_console.yml
index 10e0411f40..e4df2c750b 100644
--- a/phpBB/config/default/container/services_console.yml
+++ b/phpBB/config/default/container/services_console.yml
@@ -128,6 +128,7 @@ services:
             - '@user'
             - '@ext.manager'
             - '@log'
+            - '%cache.driver.class%'
         tags:
             - { name: console.command }
 
@@ -137,6 +138,7 @@ services:
             - '@user'
             - '@ext.manager'
             - '@log'
+            - '%cache.driver.class%'
         tags:
             - { name: console.command }
 
@@ -173,6 +175,7 @@ services:
             - '@user'
             - '@ext.manager'
             - '@log'
+            - '%cache.driver.class%'
         tags:
             - { name: console.command }
 
@@ -191,6 +194,7 @@ services:
             - '@user'
             - '@ext.manager'
             - '@log'
+            - '%cache.driver.class%'
         tags:
             - { name: console.command }
 
diff --git a/phpBB/language/en/cli.php b/phpBB/language/en/cli.php
index 27bcdf1019..bdd76a32e5 100644
--- a/phpBB/language/en/cli.php
+++ b/phpBB/language/en/cli.php
@@ -35,6 +35,8 @@ if (empty($lang) || !is_array($lang))
 // in a url you again do not need to specify an order e.g., 'Click %sHERE%s' is fine
 
 $lang = array_merge($lang, array(
+	'CLI_APCU_CACHE_NOTICE'				=> 'APCu cache has to be purged through the Administration Control Panel.',
+
 	'CLI_CONFIG_CANNOT_CACHED'			=> 'Set this option if the configuration option changes too frequently to be efficiently cached.',
 	'CLI_CONFIG_CURRENT'				=> 'Current configuration value, use 0 and 1 to specify boolean values',
 	'CLI_CONFIG_DELETE_SUCCESS'			=> 'Successfully deleted config %s.',
diff --git a/phpBB/phpbb/cache/driver/apcu.php b/phpBB/phpbb/cache/driver/apcu.php
index c96cf0de57..6bcc13cf78 100644
--- a/phpBB/phpbb/cache/driver/apcu.php
+++ b/phpBB/phpbb/cache/driver/apcu.php
@@ -25,11 +25,14 @@ class apcu extends \phpbb\cache\driver\memory
 	*/
 	function purge()
 	{
-		/*
-		* Use an iterator to selectively delete our cache entries without disturbing
-		* any other cache users (e.g. other phpBB boards hosted on this server)
-		*/
-		apcu_delete(new \APCUIterator('#^' . $this->key_prefix . '#'));
+		if (PHP_SAPI !== 'cli' || @ini_get('apc.enable_cli'))
+		{
+			/*
+			 * Use an iterator to selectively delete our cache entries without disturbing
+			 * any other cache users (e.g. other phpBB boards hosted on this server)
+			 */
+			apcu_delete(new \APCUIterator('#^' . $this->key_prefix . '#'));
+		}
 
 		parent::purge();
 	}
diff --git a/phpBB/phpbb/console/command/extension/command.php b/phpBB/phpbb/console/command/extension/command.php
index 364d954082..6b58290913 100644
--- a/phpBB/phpbb/console/command/extension/command.php
+++ b/phpBB/phpbb/console/command/extension/command.php
@@ -12,6 +12,8 @@
 */
 namespace phpbb\console\command\extension;
 
+use Symfony\Component\Console\Style\SymfonyStyle;
+
 abstract class command extends \phpbb\console\command\command
 {
 	/** @var \phpbb\extension\manager */
@@ -20,11 +22,37 @@ abstract class command extends \phpbb\console\command\command
 	/** @var \phpbb\log\log */
 	protected $log;
 
-	public function __construct(\phpbb\user $user, \phpbb\extension\manager $manager, \phpbb\log\log $log)
+	/** @var string Cache driver class */
+	protected $cache_driver_class;
+
+	/**
+	 * Constructor.
+	 *
+	 * @param \phpbb\user				$user				User object
+	 * @param \phpbb\extension\manager	$manager			Extension manager object
+	 * @param \phpbb\log\log			$log				Log object
+	 * @param string					$cache_driver_class	Cache driver class
+	 */
+	public function __construct(\phpbb\user $user, \phpbb\extension\manager $manager, \phpbb\log\log $log, $cache_driver_class)
 	{
 		$this->manager = $manager;
 		$this->log = $log;
+		$this->cache_driver_class = $cache_driver_class;
 
 		parent::__construct($user);
 	}
+
+	/**
+	 * Check if APCu cache driver is used and enabled for CLI, otherwise display a notice.
+	 *
+	 * @param SymfonyStyle $io
+	 * @return void
+	 */
+	protected function check_apcu_cache(SymfonyStyle $io)
+	{
+		if ($this->cache_driver_class === 'phpbb\\cache\\driver\\apcu' && !@ini_get('apc.enable_cli'))
+		{
+			$io->note($this->user->lang('CLI_APCU_CACHE_NOTICE'));
+		}
+	}
 }
diff --git a/phpBB/phpbb/console/command/extension/disable.php b/phpBB/phpbb/console/command/extension/disable.php
index b2e10fb960..4d51bd7be5 100644
--- a/phpBB/phpbb/console/command/extension/disable.php
+++ b/phpBB/phpbb/console/command/extension/disable.php
@@ -55,6 +55,7 @@ class disable extends command
 		else
 		{
 			$this->log->add('admin', ANONYMOUS, '', 'LOG_EXT_DISABLE', time(), array($name));
+			$this->check_apcu_cache($io);
 			$io->success($this->user->lang('CLI_EXTENSION_DISABLE_SUCCESS', $name));
 			return 0;
 		}
diff --git a/phpBB/phpbb/console/command/extension/enable.php b/phpBB/phpbb/console/command/extension/enable.php
index 504b5546b3..00decc8607 100644
--- a/phpBB/phpbb/console/command/extension/enable.php
+++ b/phpBB/phpbb/console/command/extension/enable.php
@@ -66,6 +66,7 @@ class enable extends command
 		if ($this->manager->is_enabled($name))
 		{
 			$this->log->add('admin', ANONYMOUS, '', 'LOG_EXT_ENABLE', time(), array($name));
+			$this->check_apcu_cache($io);
 			$io->success($this->user->lang('CLI_EXTENSION_ENABLE_SUCCESS', $name));
 			return 0;
 		}
diff --git a/phpBB/phpbb/console/command/extension/purge.php b/phpBB/phpbb/console/command/extension/purge.php
index 25bde503f7..9aa925e9f6 100644
--- a/phpBB/phpbb/console/command/extension/purge.php
+++ b/phpBB/phpbb/console/command/extension/purge.php
@@ -48,6 +48,7 @@ class purge extends command
 		else
 		{
 			$this->log->add('admin', ANONYMOUS, '', 'LOG_EXT_PURGE', time(), array($name));
+			$this->check_apcu_cache($io);
 			$io->success($this->user->lang('CLI_EXTENSION_PURGE_SUCCESS', $name));
 			return 0;
 		}