Test for mcrypt support in the installer

installation/language/en-AU/en-AU.ini

@@ -249,8 +249,10 @@ INSTL_MAGIC_QUOTES_GPC="Magic Quotes GPC Off"
 INSTL_MAGIC_QUOTES_RUNTIME="Magic Quotes Runtime"
 INSTL_MB_LANGUAGE_IS_DEFAULT="MB Language is Default"
 INSTL_MB_STRING_OVERLOAD_OFF="MB String Overload Off"
+INSTL_MCRYPT_SUPPORT_AVAILABLE="Mcrypt Support"
 INSTL_NOTICEMBLANGNOTDEFAULT="PHP mbstring language is not set to neutral. This can be set locally by entering <strong>php_value mbstring.language neutral</strong> in your <code>.htaccess</code> file."
 INSTL_NOTICEMBSTRINGOVERLOAD="PHP mbstring function overload is set. This can be turned off locally by entering <strong>php_value mbstring.func_overload 0</strong> in your <code>.htaccess</code> file."
+INSTL_NOTICEMCRYPTNOTAVAILABLE="Warning! PHP mcrypt extension should be installed or enabled. Without this, some features of Joomla will not be available."
 INSTL_NOTICEYOUCANSTILLINSTALL="<br />You can still continue the installation as the configuration settings will be displayed at the end. You will have to manually upload the code. Select in the text area to highlight all of the code and then paste into a new text file. Name this file 'configuration.php' and upload it to your site root folder."
 INSTL_OUTPUT_BUFFERING="Output Buffering"
 INSTL_PARSE_INI_FILE_AVAILABLE="INI Parser Support"

installation/language/en-CA/en-CA.ini

@@ -163,8 +163,10 @@ INSTL_MAGIC_QUOTES_GPC="Magic Quotes GPC Off"
 INSTL_MAGIC_QUOTES_RUNTIME="Magic Quotes Runtime"
 INSTL_MB_LANGUAGE_IS_DEFAULT="MB Language is Default"
 INSTL_MB_STRING_OVERLOAD_OFF="MB String Overload Off"
+INSTL_MCRYPT_SUPPORT_AVAILABLE="Mcrypt Support"
 INSTL_NOTICEMBLANGNOTDEFAULT="PHP mbstring language is not set to neutral. This can be set locally by entering <strong>php_value mbstring.language neutral</strong> in your <code>.htaccess</code> file."
 INSTL_NOTICEMBSTRINGOVERLOAD="PHP mbstring function overload is set. This can be turned off locally by entering <strong>php_value mbstring.func_overload 0</strong> in your <code>.htaccess</code> file."
+INSTL_NOTICEMCRYPTNOTAVAILABLE="Warning! PHP mcrypt extension should be installed or enabled. Without this, some features of Joomla will not be available."
 INSTL_NOTICEYOUCANSTILLINSTALL="<br />You can still continue the installation as the configuration settings will be displayed at the end. You will have to manually upload the code. Select in the text area to highlight all of the code and then paste into a new text file. Name this file 'configuration.php' and upload it to your site root folder."
 INSTL_OUTPUT_BUFFERING="Output Buffering"
 INSTL_PAGE_TITLE="Joomla! Web Installer"

installation/language/en-GB/en-GB.ini

@@ -249,8 +249,10 @@ INSTL_MAGIC_QUOTES_GPC="Magic Quotes GPC Off"
 INSTL_MAGIC_QUOTES_RUNTIME="Magic Quotes Runtime"
 INSTL_MB_LANGUAGE_IS_DEFAULT="MB Language is Default"
 INSTL_MB_STRING_OVERLOAD_OFF="MB String Overload Off"
+INSTL_MCRYPT_SUPPORT_AVAILABLE="Mcrypt Support"
 INSTL_NOTICEMBLANGNOTDEFAULT="PHP mbstring language is not set to neutral. This can be set locally by entering <strong>php_value mbstring.language neutral</strong> in your <code>.htaccess</code> file."
 INSTL_NOTICEMBSTRINGOVERLOAD="PHP mbstring function overload is set. This can be turned off locally by entering <strong>php_value mbstring.func_overload 0</strong> in your <code>.htaccess</code> file."
+INSTL_NOTICEMCRYPTNOTAVAILABLE="Warning! PHP mcrypt extension should be installed or enabled. Without this, some features of Joomla will not be available."
 INSTL_NOTICEYOUCANSTILLINSTALL="<br />You can still continue the installation as the configuration settings will be displayed at the end. You will have to manually upload the code. Select in the text area to highlight all of the code and then paste into a new text file. Name this file 'configuration.php' and upload it to your site root folder."
 INSTL_OUTPUT_BUFFERING="Output Buffering"
 INSTL_PARSE_INI_FILE_AVAILABLE="INI Parser Support"

installation/language/en-US/en-US.ini

@@ -163,8 +163,10 @@ INSTL_MAGIC_QUOTES_GPC="Magic Quotes GPC Off"
 INSTL_MAGIC_QUOTES_RUNTIME="Magic Quotes Runtime"
 INSTL_MB_LANGUAGE_IS_DEFAULT="MB Language is Default"
 INSTL_MB_STRING_OVERLOAD_OFF="MB String Overload Off"
+INSTL_MCRYPT_SUPPORT_AVAILABLE="Mcrypt Support"
 INSTL_NOTICEMBLANGNOTDEFAULT="PHP mbstring language is not set to neutral. This can be set locally by entering <strong>php_value mbstring.language neutral</strong> in your <code>.htaccess</code> file."
 INSTL_NOTICEMBSTRINGOVERLOAD="PHP mbstring function overload is set. This can be turned off locally by entering <strong>php_value mbstring.func_overload 0</strong> in your <code>.htaccess</code> file."
+INSTL_NOTICEMCRYPTNOTAVAILABLE="Warning! PHP mcrypt extension should be installed or enabled. Without this, some features of Joomla will not be available."
 INSTL_NOTICEYOUCANSTILLINSTALL="<br />You can still continue the installation as the configuration settings will be displayed at the end. You will have to manually upload the code. Select in the text area to highlight all of the code and then paste into a new text file. Name this file 'configuration.php' and upload it to your site root folder."
 INSTL_OUTPUT_BUFFERING="Output Buffering"
 INSTL_PAGE_TITLE="Joomla! Web Installer"

installation/model/setup.php

@@ -308,6 +308,13 @@ public function getPhpOptions()
 		$option->notice = null;
 		$options[] = $option;
 
+		// Check for mcrypt support
+		$option = new stdClass;
+		$option->label  = JText::_('INSTL_MCRYPT_SUPPORT_AVAILABLE');
+		$option->state  = is_callable('mcrypt_encrypt');
+		$option->notice = $option->state ? null : JText::_('INSTL_NOTICEMCRYPTNOTAVAILABLE');
+		$options[] = $option;
+
 		// Check for configuration file writable.
 		$writable = (is_writable(JPATH_CONFIGURATION . '/configuration.php')
 			|| (!file_exists(JPATH_CONFIGURATION . '/configuration.php') && is_writable(JPATH_ROOT)));