diff --git a/phpBB/includes/acp/acp_main.php b/phpBB/includes/acp/acp_main.php
index 8dec7c69bd..68d7384865 100644
--- a/phpBB/includes/acp/acp_main.php
+++ b/phpBB/includes/acp/acp_main.php
@@ -429,11 +429,11 @@ class acp_main
 		// Version check
 		$user->add_lang('install');
 
-		if ($auth->acl_get('a_server') && version_compare(PHP_VERSION, '5.4', '<'))
+		if ($auth->acl_get('a_server') && version_compare(PHP_VERSION, '5.4.0', '<'))
 		{
 			$template->assign_vars(array(
 				'S_PHP_VERSION_OLD'	=> true,
-				'L_PHP_VERSION_OLD'	=> sprintf($user->lang['PHP_VERSION_OLD'], '<a href="https://www.phpbb.com/community/viewtopic.php?f=14&amp;t=2152375">', '</a>'),
+				'L_PHP_VERSION_OLD'	=> sprintf($user->lang['PHP_VERSION_OLD'], PHP_VERSION, '5.4.0', '<a href="https://www.phpbb.com/support/docs/en/3.2/ug/quickstart/requirements">', '</a>'),
 			));
 		}
 
diff --git a/phpBB/language/en/acp/common.php b/phpBB/language/en/acp/common.php
index acd9776dd7..ac2c9da84d 100644
--- a/phpBB/language/en/acp/common.php
+++ b/phpBB/language/en/acp/common.php
@@ -395,7 +395,7 @@ $lang = array_merge($lang, array(
 	'NUMBER_USERS'		=> 'Number of users',
 	'NUMBER_ORPHAN'		=> 'Orphan attachments',
 
-	'PHP_VERSION_OLD'	=> 'The version of PHP on this server will no longer be supported by future versions of phpBB. %sDetails%s',
+	'PHP_VERSION_OLD'	=> 'The version of PHP on this server (%1$s) will no longer be supported by future versions of phpBB. The minimum required version will be PHP %2$s. %3$sDetails%4$s',
 
 	'POSTS_PER_DAY'		=> 'Posts per day',
 
diff --git a/phpBB/phpbb/extension/metadata_manager.php b/phpBB/phpbb/extension/metadata_manager.php
index 348b3c2cdf..ae1af10c1d 100644
--- a/phpBB/phpbb/extension/metadata_manager.php
+++ b/phpBB/phpbb/extension/metadata_manager.php
@@ -214,9 +214,19 @@ class metadata_manager
 			case 'all':
 				$this->validate('display');
 
-				if (!$this->validate_enable())
+				if (!$this->validate_dir())
 				{
-					throw new \phpbb\extension\exception('META_FIELD_NOT_SET', array($name));
+					throw new \phpbb\extension\exception('EXTENSION_DIR_INVALID');
+				}
+
+				if (!$this->validate_require_phpbb())
+				{
+					throw new \phpbb\extension\exception('META_FIELD_NOT_SET', array('soft-require'));
+				}
+
+				if (!$this->validate_require_php())
+				{
+					throw new \phpbb\extension\exception('META_FIELD_NOT_SET', array('require php'));
 				}
 			break;