<?php

/**

 * Project:     Smarty: the PHP compiling template engine

 * File:        Smarty.class.php

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 * For questions, help, comments, discussion, etc., please join the

 * Smarty mailing list. Send a blank e-mail to

 * smarty-discussion-subscribe@googlegroups.com

 *

 * @link      http://www.smarty.net/

 * @copyright 2015 New Digital Group, Inc.

 * @copyright 2015 Uwe Tews

 * @author    Monte Ohrt <monte at ohrt dot com>

 * @author    Uwe Tews

 * @author    Rodney Rehm

 * @package   Smarty

 * @version   3.1.27

 */

/**

 * define shorthand directory separator constant

 */

if (!defined('DS')) {

    define('DS', DIRECTORY_SEPARATOR);

}

/**

 * set SMARTY_DIR to absolute path to Smarty library files.

 * Sets SMARTY_DIR only if user application has not already defined it.

 */

if (!defined('SMARTY_DIR')) {

    define('SMARTY_DIR', dirname(__FILE__) . DS);

}

/**

 * set SMARTY_SYSPLUGINS_DIR to absolute path to Smarty internal plugins.

 * Sets SMARTY_SYSPLUGINS_DIR only if user application has not already defined it.

 */

if (!defined('SMARTY_SYSPLUGINS_DIR')) {

    define('SMARTY_SYSPLUGINS_DIR', SMARTY_DIR . 'sysplugins' . DS);

}

if (!defined('SMARTY_PLUGINS_DIR')) {

    define('SMARTY_PLUGINS_DIR', SMARTY_DIR . 'plugins' . DS);

}

if (!defined('SMARTY_MBSTRING')) {

    define('SMARTY_MBSTRING', function_exists('mb_get_info'));

}

if (!defined('SMARTY_RESOURCE_CHAR_SET')) {

    // UTF-8 can only be done properly when mbstring is available!

    /**

     * @deprecated in favor of Smarty::$_CHARSET

     */

    define('SMARTY_RESOURCE_CHAR_SET', SMARTY_MBSTRING ? 'UTF-8' : 'ISO-8859-1');

}

if (!defined('SMARTY_RESOURCE_DATE_FORMAT')) {

    /**

     * @deprecated in favor of Smarty::$_DATE_FORMAT

     */

    define('SMARTY_RESOURCE_DATE_FORMAT', '%b %e, %Y');

}

/**

 * Try loading the Smarty_Internal_Data class

 * If we fail we must load Smarty's autoloader.

 * Otherwise we may have a global autoloader like Composer

 */

if (!class_exists('Smarty_Autoloader', false)) {

    if (!class_exists('Smarty_Internal_Data', true)) {

        require_once 'Autoloader.php';

        Smarty_Autoloader::registerBC();

    }

}

/**

 * Load always needed external class files

 */

if (!class_exists('Smarty_Internal_Data', false)) {

    require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_data.php';

}

require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_templatebase.php';

require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_template.php';

require_once SMARTY_SYSPLUGINS_DIR . 'smarty_resource.php';

require_once SMARTY_SYSPLUGINS_DIR . 'smarty_variable.php';

require_once SMARTY_SYSPLUGINS_DIR . 'smarty_template_source.php';

/**

 * This is the main Smarty class

 *

 * @package Smarty

 */

class Smarty extends Smarty_Internal_TemplateBase {

    /**#@+

     * constant definitions

     */

    /**

     * smarty version

     */

    const SMARTY_VERSION = '3.1.27';

    /**

     * define variable scopes

     */

    const SCOPE_LOCAL = 0;

    const SCOPE_PARENT = 1;

    const SCOPE_ROOT = 2;

    const SCOPE_GLOBAL = 3;

    /**

     * define caching modes

     */

    const CACHING_OFF = 0;

    const CACHING_LIFETIME_CURRENT = 1;

    const CACHING_LIFETIME_SAVED = 2;

    /**

     * define constant for clearing cache files be saved expiration datees

     */

    const CLEAR_EXPIRED = -1;

    /**

     * define compile check modes

     */

    const COMPILECHECK_OFF = 0;

    const COMPILECHECK_ON = 1;

    const COMPILECHECK_CACHEMISS = 2;

    /**

     * define debug modes

     */

    const DEBUG_OFF = 0;

    const DEBUG_ON = 1;

    const DEBUG_INDIVIDUAL = 2;

    /**

     * modes for handling of "<?php ... ?>" tags in templates.

     */

    const PHP_PASSTHRU = 0; //-> print tags as plain text

    const PHP_QUOTE = 1; //-> escape tags as entities

    const PHP_REMOVE = 2; //-> escape tags as entities

    const PHP_ALLOW = 3; //-> escape tags as entities

    /**

     * filter types

     */

    const FILTER_POST = 'post';

    const FILTER_PRE = 'pre';

    const FILTER_OUTPUT = 'output';

    const FILTER_VARIABLE = 'variable';

    /**

     * plugin types

     */

    const PLUGIN_FUNCTION = 'function';

    const PLUGIN_BLOCK = 'block';

    const PLUGIN_COMPILER = 'compiler';

    const PLUGIN_MODIFIER = 'modifier';

    const PLUGIN_MODIFIERCOMPILER = 'modifiercompiler';

    /**#@-*/

    /**

     * assigned global tpl vars

     */

    public static $global_tpl_vars = array();

    /**

     * error handler returned by set_error_hanlder() in Smarty::muteExpectedErrors()

     */

    public static $_previous_error_handler = null;

    /**

     * contains directories outside of SMARTY_DIR that are to be muted by muteExpectedErrors()

     */

    public static $_muted_directories = array('./templates_c/' => null, './cache/' => null);

    /**

     * Flag denoting if Multibyte String functions are available

     */

    public static $_MBSTRING = SMARTY_MBSTRING;

    /**

     * The character set to adhere to (e.g. "UTF-8")

     */

    public static $_CHARSET = SMARTY_RESOURCE_CHAR_SET;

    /**

     * The date format to be used internally

     * (accepts date() and strftime())

     */

    public static $_DATE_FORMAT = SMARTY_RESOURCE_DATE_FORMAT;

    /**

     * Flag denoting if PCRE should run in UTF-8 mode

     */

    public static $_UTF8_MODIFIER = 'u';

    /**

     * Flag denoting if operating system is windows

     */

    public static $_IS_WINDOWS = false;

    /**#@+

     * variables

     */

    /**

     * auto literal on delimiters with whitspace

     *

     * @var boolean

     */

    public $auto_literal = true;

    /**

     * display error on not assigned variables

     *

     * @var boolean

     */

    public $error_unassigned = false;

    /**

     * look up relative filepaths in include_path

     *

     * @var boolean

     */

    public $use_include_path = false;

    /**

     * template directory

     *

     * @var array

     */

    private $template_dir = array('./templates/');

    /**

     * joined template directory string used in cache keys

     *

     * @var string

     */

    public $joined_template_dir = './templates/';

    /**

     * joined config directory string used in cache keys

     *

     * @var string

     */

    public $joined_config_dir = './configs/';

    /**

     * default template handler

     *

     * @var callable

     */

    public $default_template_handler_func = null;

    /**

     * default config handler

     *

     * @var callable

     */

    public $default_config_handler_func = null;

    /**

     * default plugin handler

     *

     * @var callable

     */

    public $default_plugin_handler_func = null;

    /**

     * compile directory

     *

     * @var string

     */

    private $compile_dir = './templates_c/';

    /**

     * plugins directory

     *

     * @var array

     */

    private $plugins_dir = null;

    /**

     * cache directory

     *

     * @var string

     */

    private $cache_dir = './cache/';

    /**

     * config directory

     *

     * @var array

     */

    private $config_dir = array('./configs/');

    /**

     * force template compiling?

     *

     * @var boolean

     */

    public $force_compile = false;

    /**

     * check template for modifications?

     *

     * @var boolean

     */

    public $compile_check = true;

    /**

     * use sub dirs for compiled/cached files?

     *

     * @var boolean

     */

    public $use_sub_dirs = false;

    /**

     * allow ambiguous resources (that are made unique by the resource handler)

     *

     * @var boolean

     */

    public $allow_ambiguous_resources = false;

    /**

     * merge compiled includes

     *

     * @var boolean

     */

    public $merge_compiled_includes = false;

    /**

     * template inheritance merge compiled includes

     *

     * @var boolean

     */

    public $inheritance_merge_compiled_includes = true;

    /**

     * force cache file creation

     *

     * @var boolean

     */

    public $force_cache = false;

    /**

     * template left-delimiter

     *

     * @var string

     */

    public $left_delimiter = "{";

    /**

     * template right-delimiter

     *

     * @var string

     */

    public $right_delimiter = "}";

    /**#@+

     * security

     */

    /**

     * class name

     * This should be instance of Smarty_Security.

     *

     * @var string

     * @see Smarty_Security

     */

    public $security_class = 'Smarty_Security';

    /**

     * implementation of security class

     *

     * @var Smarty_Security

     */

    public $security_policy = null;

    /**

     * controls handling of PHP-blocks

     *

     * @var integer

     */

    public $php_handling = self::PHP_PASSTHRU;

    /**

     * controls if the php template file resource is allowed

     *

     * @var bool

     */

    public $allow_php_templates = false;

    /**

     * Should compiled-templates be prevented from being called directly?

     * {@internal

     * Currently used by Smarty_Internal_Template only.

     * }}

     *

     * @var boolean

     */

    public $direct_access_security = true;

    /**#@-*/

    /**

     * debug mode

     * Setting this to true enables the debug-console.

     *

     * @var boolean

     */

    public $debugging = false;

    /**

     * This determines if debugging is enable-able from the browser.

     * <ul>

     *  <li>NONE => no debugging control allowed</li>

     *  <li>URL => enable debugging when SMARTY_DEBUG is found in the URL.</li>

     * </ul>

     *

     * @var string

     */

    public $debugging_ctrl = 'NONE';

    /**

     * Name of debugging URL-param.

     * Only used when $debugging_ctrl is set to 'URL'.

     * The name of the URL-parameter that activates debugging.

     *

     * @var string

     */

    public $smarty_debug_id = 'SMARTY_DEBUG';

    /**

     * Path of debug template.

     *

     * @var string

     */

    public $debug_tpl = null;

    /**

     * When set, smarty uses this value as error_reporting-level.

     *

     * @var int

     */

    public $error_reporting = null;

    /**

     * Internal flag for getTags()

     *

     * @var boolean

     */

    public $get_used_tags = false;

    /**#@+

     * config var settings

     */

    /**

     * Controls whether variables with the same name overwrite each other.

     *

     * @var boolean

     */

    public $config_overwrite = true;

    /**

     * Controls whether config values of on/true/yes and off/false/no get converted to boolean.

     *

     * @var boolean

     */

    public $config_booleanize = true;

    /**

     * Controls whether hidden config sections/vars are read from the file.

     *

     * @var boolean

     */

    public $config_read_hidden = false;

    /**#@-*/

    /**#@+

     * resource locking

     */

    /**

     * locking concurrent compiles

     *

     * @var boolean

     */

    public $compile_locking = true;

    /**

     * Controls whether cache resources should emply locking mechanism

     *

     * @var boolean

     */