diff --git a/tests/functional/extension_acp_test.php b/tests/functional/extension_acp_test.php
index 029f13b4f1..d466e01c80 100644
--- a/tests/functional/extension_acp_test.php
+++ b/tests/functional/extension_acp_test.php
@@ -77,59 +77,59 @@ class phpbb_functional_extension_acp_test extends phpbb_functional_test_case
 
 	public function test_list()
 	{
-        $crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&sid=' . $this->sid);
+		$crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&sid=' . $this->sid);
 
-        $this->assertCount(1, $crawler->filter('.ext_enabled'));
-        $this->assertCount(5, $crawler->filter('.ext_disabled'));
+		$this->assertCount(1, $crawler->filter('.ext_enabled'));
+		$this->assertCount(5, $crawler->filter('.ext_disabled'));
 
-        $this->assertContains('phpBB Foo Extension', $crawler->filter('.ext_enabled')->eq(0)->text());
-        $this->assertContainsLang('EXTENSION_UNINSTALL', $crawler->filter('.ext_enabled')->eq(0)->text());
+		$this->assertContains('phpBB Foo Extension', $crawler->filter('.ext_enabled')->eq(0)->text());
+		$this->assertContainsLang('EXTENSION_UNINSTALL', $crawler->filter('.ext_enabled')->eq(0)->text());
 
-        $this->assertContains('The “test2” extension is not valid.', $crawler->filter('.ext_disabled')->eq(0)->text());
+		$this->assertContains('The “test2” extension is not valid.', $crawler->filter('.ext_disabled')->eq(0)->text());
 
-        $this->assertContains('The “test3” extension is not valid.', $crawler->filter('.ext_disabled')->eq(1)->text());
+		$this->assertContains('The “test3” extension is not valid.', $crawler->filter('.ext_disabled')->eq(1)->text());
 
-        $this->assertContains('phpBB Moo Extension', $crawler->filter('.ext_disabled')->eq(2)->text());
-        $this->assertContainsLang('DETAILS', $crawler->filter('.ext_disabled')->eq(2)->text());
-        $this->assertContainsLang('EXTENSION_ENABLE', $crawler->filter('.ext_disabled')->eq(2)->text());
-        $this->assertContainsLang('EXTENSION_UNINSTALL', $crawler->filter('.ext_disabled')->eq(2)->text());
+		$this->assertContains('phpBB Moo Extension', $crawler->filter('.ext_disabled')->eq(2)->text());
+		$this->assertContainsLang('DETAILS', $crawler->filter('.ext_disabled')->eq(2)->text());
+		$this->assertContainsLang('EXTENSION_ENABLE', $crawler->filter('.ext_disabled')->eq(2)->text());
+		$this->assertContainsLang('EXTENSION_UNINSTALL', $crawler->filter('.ext_disabled')->eq(2)->text());
 
-        $this->assertContains('The “bar” extension is not valid.', $crawler->filter('.ext_disabled')->eq(3)->text());
+		$this->assertContains('The “bar” extension is not valid.', $crawler->filter('.ext_disabled')->eq(3)->text());
 	}
 
 	public function test_details()
 	{
-        $crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&action=details&ext_name=foo&sid=' . $this->sid);
+		$crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&action=details&ext_name=foo&sid=' . $this->sid);
 
-        $validation = array(
-        	'DISPLAY_NAME'		=> 'phpBB Foo Extension',
-        	'CLEAN_NAME'		=> 'foo/example',
-        	'TYPE'				=> 'phpbb-extension',
-        	'DESCRIPTION'		=> 'An example/sample extension to be used for testing purposes in phpBB Development.',
-        	'VERSION'	  		=> '1.0.0',
-        	'TIME'				=> '2012-02-15 01:01:01',
-        	'LICENCE'			=> 'GPL-2.0',
-        	'PHPBB_VERSION'		=> '3.1.*@dev',
-        	'PHP_VERSION'		=> '>=5.3',
-        	'AUTHOR_NAME'		=> 'John Smith',
-        	'AUTHOR_EMAIL'		=> 'email@phpbb.com',
-        	'AUTHOR_HOMEPAGE'	=> 'http://phpbb.com',
-        	'AUTHOR_ROLE'		=> 'N/A',
-        );
+		$validation = array(
+			'DISPLAY_NAME'		=> 'phpBB Foo Extension',
+			'CLEAN_NAME'		=> 'foo/example',
+			'TYPE'				=> 'phpbb-extension',
+			'DESCRIPTION'		=> 'An example/sample extension to be used for testing purposes in phpBB Development.',
+			'VERSION'	  		=> '1.0.0',
+			'TIME'				=> '2012-02-15 01:01:01',
+			'LICENCE'			=> 'GPL-2.0',
+			'PHPBB_VERSION'		=> '3.1.*@dev',
+			'PHP_VERSION'		=> '>=5.3',
+			'AUTHOR_NAME'		=> 'John Smith',
+			'AUTHOR_EMAIL'		=> 'email@phpbb.com',
+			'AUTHOR_HOMEPAGE'	=> 'http://phpbb.com',
+			'AUTHOR_ROLE'		=> 'N/A',
+		);
 
-        for ($i = 0; $i < $crawler->filter('dl')->count(); $i++)
-        {
-        	$text = $crawler->filter('dl')->eq($i)->text();
+		for ($i = 0; $i < $crawler->filter('dl')->count(); $i++)
+		{
+			$text = $crawler->filter('dl')->eq($i)->text();
 
-        	$match = false;
+			$match = false;
 
-        	foreach ($validation as $language_key => $expected)
-        	{
-        		if (strpos($text, $this->lang($language_key)) === 0)
-        		{
-        			$match = true;
+			foreach ($validation as $language_key => $expected)
+			{
+				if (strpos($text, $this->lang($language_key)) === 0)
+				{
+					$match = true;
 
-        			$this->assertContains($expected, $text);
+					$this->assertContains($expected, $text);
 				}
 			}
 
@@ -143,10 +143,10 @@ class phpbb_functional_extension_acp_test extends phpbb_functional_test_case
 	public function test_enable_pre()
 	{
 		// Foo is already enabled (redirect to list)
-        $crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&action=enable_pre&ext_name=foo&sid=' . $this->sid);
-        $this->assertContainsLang('EXTENSION_NAME', $crawler->filter('html')->text());
-        $this->assertContainsLang('EXTENSION_OPTIONS', $crawler->filter('html')->text());
-        $this->assertContainsLang('EXTENSION_ACTIONS', $crawler->filter('html')->text());
+		$crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&action=enable_pre&ext_name=foo&sid=' . $this->sid);
+		$this->assertContainsLang('EXTENSION_NAME', $crawler->filter('html')->text());
+		$this->assertContainsLang('EXTENSION_OPTIONS', $crawler->filter('html')->text());
+		$this->assertContainsLang('EXTENSION_ACTIONS', $crawler->filter('html')->text());
 
 		$crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&action=enable_pre&ext_name=vendor%2Fmoo&sid=' . $this->sid);
 		$this->assertContains($this->lang('EXTENSION_ENABLE_CONFIRM', 'vendor/moo'), $crawler->filter('html')->text());
@@ -154,11 +154,11 @@ class phpbb_functional_extension_acp_test extends phpbb_functional_test_case
 
 	public function test_disable_pre()
 	{
-        // Moo is not enabled (redirect to list)
-        $crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&action=disable_pre&ext_name=vendor%2Fmoo&sid=' . $this->sid);
-        $this->assertContainsLang('EXTENSION_NAME', $crawler->filter('html')->text());
-        $this->assertContainsLang('EXTENSION_OPTIONS', $crawler->filter('html')->text());
-        $this->assertContainsLang('EXTENSION_ACTIONS', $crawler->filter('html')->text());
+		// Moo is not enabled (redirect to list)
+		$crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&action=disable_pre&ext_name=vendor%2Fmoo&sid=' . $this->sid);
+		$this->assertContainsLang('EXTENSION_NAME', $crawler->filter('html')->text());
+		$this->assertContainsLang('EXTENSION_OPTIONS', $crawler->filter('html')->text());
+		$this->assertContainsLang('EXTENSION_ACTIONS', $crawler->filter('html')->text());
 
 		$crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&action=disable_pre&ext_name=foo&sid=' . $this->sid);
 		$this->assertContains($this->lang('EXTENSION_DISABLE_CONFIRM', 'foo'), $crawler->filter('html')->text());
@@ -166,9 +166,9 @@ class phpbb_functional_extension_acp_test extends phpbb_functional_test_case
 
 	public function test_purge_pre()
 	{
-        // test2 is not available (error)
-        $crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&action=purge_pre&ext_name=test2&sid=' . $this->sid);
-        $this->assertContains('The required file does not exist', $crawler->filter('html')->text());
+		// test2 is not available (error)
+		$crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&action=purge_pre&ext_name=test2&sid=' . $this->sid);
+		$this->assertContains('The required file does not exist', $crawler->filter('html')->text());
 
 		$crawler = self::request('GET', 'adm/index.php?i=acp_extensions&mode=main&action=purge_pre&ext_name=foo&sid=' . $this->sid);
 		$this->assertContains($this->lang('EXTENSION_UNINSTALL_CONFIRM', 'foo'), $crawler->filter('html')->text());