封装smarty类

mac2022-06-30  20

<?php/** * Project:     Smarty: the PHP compiling template engine * File:        Smarty.class.php * SVN:         $Id: Smarty.class.php 4848 2014-06-08 18:12:09Z Uwe.Tews@googlemail.com $ * 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 2008 New Digital Group, Inc. * @author    Monte Ohrt <monte at ohrt dot com> * @author    Uwe Tews * @author    Rodney Rehm * @package   Smarty * @version   3.1.19 *//** * 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_split'));}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');}/** * register the class autoloader */if (!defined('SMARTY_SPL_AUTOLOAD')) {    define('SMARTY_SPL_AUTOLOAD', 0);}if (SMARTY_SPL_AUTOLOAD && set_include_path(get_include_path() . PATH_SEPARATOR . SMARTY_SYSPLUGINS_DIR) !== false) {    $registeredAutoLoadFunctions = spl_autoload_functions();    if (!isset($registeredAutoLoadFunctions['spl_autoload'])) {        spl_autoload_register();    }} else {    spl_autoload_register('smartyAutoload');}/** * Load always needed external class files */include_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_data.php';include_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_templatebase.php';include_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_template.php';include_once SMARTY_SYSPLUGINS_DIR . 'smarty_resource.php';include_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_resource_file.php';include_once SMARTY_SYSPLUGINS_DIR . 'smarty_cacheresource.php';include_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_cacheresource_file.php';/** * This is the main Smarty class * * @package Smarty */class Smarty extends Smarty_Internal_TemplateBase{    /**#@+     * constant definitions     */    /**     * smarty version     */    const SMARTY_VERSION = 'Smarty-3.1.19';    /**     * 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;    /**     * 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();    /**     * 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();    /**     * joined template directory string used in cache keys     *     * @var string     */    public $joined_template_dir = null;    /**     * joined config directory string used in cache keys     *     * @var string     */    public $joined_config_dir = null;    /**     * 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 = null;    /**     * plugins directory     *     * @var array     */    private $plugins_dir = array();    /**     * cache directory     *     * @var string     */    private $cache_dir = null;    /**     * config directory     *     * @var array     */    private $config_dir = array();    /**     * 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;    /**     * caching enabled     *     * @var boolean     */    public $caching = false;    /**     * merge compiled includes     *     * @var boolean     */    public $merge_compiled_includes = false;    /**     * template inheritance merge compiled includes     *     * @var boolean     */    public $inheritance_merge_compiled_includes = true;    /**     * cache lifetime in seconds     *     * @var integer     */    public $cache_lifetime = 3600;    /**     * force cache file creation     *     * @var boolean     */    public $force_cache = false;    /**     * Set this if you want different sets of cache files for the same     * templates.     *     * @var string     */    public $cache_id = null;    /**     * Set this if you want different sets of compiled files for the same     * templates.     *     * @var string     */    public $compile_id = null;    /**     * 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 type     */    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     */    public $cache_locking = false;    /**     * seconds to wait for acquiring a lock before ignoring the write lock     *     * @var float     */    public $locking_timeout = 10;    /**#@-*/    /**     * global template functions     *     * @var array     */    public $template_functions = array();    /**     * resource type used if none given     * Must be an valid key of $registered_resources.     *     * @var string     */    public $default_resource_type = 'file';    /**     * caching type     * Must be an element of $cache_resource_types.     *     * @var string     */    public $caching_type = 'file';    /**     * internal config properties     *     * @var array     */    public $properties = array();    /**     * config type     *     * @var string     */    public $default_config_type = 'file';    /**     * cached template objects     *     * @var array     */    public $template_objects = array();    /**     * check If-Modified-Since headers     *     * @var boolean     */    public $cache_modified_check = false;    /**     * registered plugins     *     * @var array     */    public $registered_plugins = array();    /**     * plugin search order     *     * @var array     */    public $plugin_search_order = array('function', 'block', 'compiler', 'class');    /**     * registered objects     *     * @var array     */    public $registered_objects = array();    /**     * registered classes     *     * @var array     */    public $registered_classes = array();    /**     * registered filters     *     * @var array     */    public $registered_filters = array();    /**     * registered resources     *     * @var array     */    public $registered_resources = array();    /**     * resource handler cache     *     * @var array     */    public $_resource_handlers = array();    /**     * registered cache resources     *     * @var array     */    public $registered_cache_resources = array();    /**     * cache resource handler cache     *     * @var array     */    public $_cacheresource_handlers = array();    /**     * autoload filter     *     * @var array     */    public $autoload_filters = array();    /**     * default modifier     *     * @var array     */    public $default_modifiers = array();    /**     * autoescape variable output     *     * @var boolean     */    public $escape_html = false;    /**     * global internal smarty vars     *     * @var array     */    public static $_smarty_vars = array();    /**     * start time for execution time calculation     *     * @var int     */    public $start_time = 0;    /**     * default file permissions     *     * @var int     */    public $_file_perms = 0644;    /**     * default dir permissions     *     * @var int     */    public $_dir_perms = 0771;    /**     * block tag hierarchy     *     * @var array     */    public $_tag_stack = array();    /**     * self pointer to Smarty object     *     * @var Smarty     */    public $smarty;    /**     * required by the compiler for BC     *     * @var string     */    public $_current_file = null;    /**     * internal flag to enable parser debugging     *     * @var bool     */    public $_parserdebug = false;    /**     * Saved parameter of merged templates during compilation     *     * @var array     */    public $merged_templates_func = array();    /**#@-*/    /**     * Initialize new Smarty object     */    public function __construct()    {        // selfpointer needed by some other class methods        $this->smarty = $this;        if (is_callable('mb_internal_encoding')) {            mb_internal_encoding(Smarty::$_CHARSET);        }        $this->start_time = microtime(true);        // set default dirs        $this->setTemplateDir('.' . DS . 'templates' . DS)            ->setCompileDir('.' . DS . 'templates_c' . DS)            ->setPluginsDir(SMARTY_PLUGINS_DIR)            ->setCacheDir('.' . DS . 'cache' . DS)            ->setConfigDir('.' . DS . 'configs' . DS);        $this->debug_tpl = 'file:' . dirname(__FILE__) . '/debug.tpl';        if (isset($_SERVER['SCRIPT_NAME'])) {            $this->assignGlobal('SCRIPT_NAME', $_SERVER['SCRIPT_NAME']);        }    }    /**     * Class destructor     */    public function __destruct()    {        // intentionally left blank    }    /**     * <<magic>> set selfpointer on cloned object     */    public function __clone()    {        $this->smarty = $this;    }    /**     * <<magic>> Generic getter.     * Calls the appropriate getter function.     * Issues an E_USER_NOTICE if no valid getter is found.     *     * @param  string $name property name     *     * @return mixed     */    public function __get($name)    {        $allowed = array(            'template_dir' => 'getTemplateDir',            'config_dir'   => 'getConfigDir',            'plugins_dir'  => 'getPluginsDir',            'compile_dir'  => 'getCompileDir',            'cache_dir'    => 'getCacheDir',        );        if (isset($allowed[$name])) {            return $this->{$allowed[$name]}();        } else {            trigger_error('Undefined property: ' . get_class($this) . '::$' . $name, E_USER_NOTICE);        }    }    /**     * <<magic>> Generic setter.     * Calls the appropriate setter function.     * Issues an E_USER_NOTICE if no valid setter is found.     *     * @param string $name  property name     * @param mixed  $value parameter passed to setter     */    public function __set($name, $value)    {        $allowed = array(            'template_dir' => 'setTemplateDir',            'config_dir'   => 'setConfigDir',            'plugins_dir'  => 'setPluginsDir',            'compile_dir'  => 'setCompileDir',            'cache_dir'    => 'setCacheDir',        );        if (isset($allowed[$name])) {            $this->{$allowed[$name]}($value);        } else {            trigger_error('Undefined property: ' . get_class($this) . '::$' . $name, E_USER_NOTICE);        }    }    /**     * Check if a template resource exists     *     * @param  string $resource_name template name     *     * @return boolean status     */    public function templateExists($resource_name)    {        // create template object        $save = $this->template_objects;        $tpl = new $this->template_class($resource_name, $this);        // check if it does exists        $result = $tpl->source->exists;        $this->template_objects = $save;        return $result;    }    /**     * Returns a single or all global  variables     *     * @param  string $varname variable name or null     *     * @return string variable value or or array of variables     */    public function getGlobal($varname = null)    {        if (isset($varname)) {            if (isset(self::$global_tpl_vars[$varname])) {                return self::$global_tpl_vars[$varname]->value;            } else {                return '';            }        } else {            $_result = array();            foreach (self::$global_tpl_vars AS $key => $var) {                $_result[$key] = $var->value;            }            return $_result;        }    }    /**     * Empty cache folder     *     * @param  integer $exp_time expiration time     * @param  string  $type     resource type     *     * @return integer number of cache files deleted     */    public function clearAllCache($exp_time = null, $type = null)    {        // load cache resource and call clearAll        $_cache_resource = Smarty_CacheResource::load($this, $type);        Smarty_CacheResource::invalidLoadedCache($this);        return $_cache_resource->clearAll($this, $exp_time);    }    /**     * Empty cache for a specific template     *     * @param  string  $template_name template name     * @param  string  $cache_id      cache id     * @param  string  $compile_id    compile id     * @param  integer $exp_time      expiration time     * @param  string  $type          resource type     *     * @return integer number of cache files deleted     */    public function clearCache($template_name, $cache_id = null, $compile_id = null, $exp_time = null, $type = null)    {        // load cache resource and call clear        $_cache_resource = Smarty_CacheResource::load($this, $type);        Smarty_CacheResource::invalidLoadedCache($this);        return $_cache_resource->clear($this, $template_name, $cache_id, $compile_id, $exp_time);    }    /**     * Loads security class and enables security     *     * @param  string|Smarty_Security $security_class if a string is used, it must be class-name     *     * @return Smarty                 current Smarty instance for chaining     * @throws SmartyException        when an invalid class name is provided     */    public function enableSecurity($security_class = null)    {        if ($security_class instanceof Smarty_Security) {            $this->security_policy = $security_class;            return $this;        } elseif (is_object($security_class)) {            throw new SmartyException("Class '" . get_class($security_class) . "' must extend Smarty_Security.");        }        if ($security_class == null) {            $security_class = $this->security_class;        }        if (!class_exists($security_class)) {            throw new SmartyException("Security class '$security_class' is not defined");        } elseif ($security_class !== 'Smarty_Security' && !is_subclass_of($security_class, 'Smarty_Security')) {            throw new SmartyException("Class '$security_class' must extend Smarty_Security.");        } else {            $this->security_policy = new $security_class($this);        }        return $this;    }    /**     * Disable security     *     * @return Smarty current Smarty instance for chaining     */    public function disableSecurity()    {        $this->security_policy = null;        return $this;    }    /**     * Set template directory     *     * @param  string|array $template_dir directory(s) of template sources     *     * @return Smarty       current Smarty instance for chaining     */    public function setTemplateDir($template_dir)    {        $this->template_dir = array();        foreach ((array) $template_dir as $k => $v) {            $this->template_dir[$k] = preg_replace('#(\w+)(/|\\\\){1,}#', '$1$2', rtrim($v, '/\\')) . DS;        }        $this->joined_template_dir = join(DIRECTORY_SEPARATOR, $this->template_dir);        return $this;    }    /**     * Add template directory(s)     *     * @param  string|array $template_dir directory(s) of template sources     * @param  string       $key          of the array element to assign the template dir to     *     * @return Smarty          current Smarty instance for chaining     * @throws SmartyException when the given template directory is not valid     */    public function addTemplateDir($template_dir, $key = null)    {        // make sure we're dealing with an array        $this->template_dir = (array) $this->template_dir;        if (is_array($template_dir)) {            foreach ($template_dir as $k => $v) {                $v = preg_replace('#(\w+)(/|\\\\){1,}#', '$1$2', rtrim($v, '/\\')) . DS;                if (is_int($k)) {                    // indexes are not merged but appended                    $this->template_dir[] = $v;                } else {                    // string indexes are overridden                    $this->template_dir[$k] = $v;                }            }        } else {            $v = preg_replace('#(\w+)(/|\\\\){1,}#', '$1$2', rtrim($template_dir, '/\\')) . DS;            if ($key !== null) {                // override directory at specified index                $this->template_dir[$key] = $v;            } else {                // append new directory                $this->template_dir[] = $v;            }        }        $this->joined_template_dir = join(DIRECTORY_SEPARATOR, $this->template_dir);        return $this;    }    /**     * Get template directories     *     * @param mixed $index index of directory to get, null to get all     *     * @return array|string list of template directories, or directory of $index     */    public function getTemplateDir($index = null)    {        if ($index !== null) {            return isset($this->template_dir[$index]) ? $this->template_dir[$index] : null;        }        return (array) $this->template_dir;    }    /**     * Set config directory     *     * @param $config_dir     *     * @return Smarty       current Smarty instance for chaining     */    public function setConfigDir($config_dir)    {        $this->config_dir = array();        foreach ((array) $config_dir as $k => $v) {            $this->config_dir[$k] = preg_replace('#(\w+)(/|\\\\){1,}#', '$1$2', rtrim($v, '/\\')) . DS;        }        $this->joined_config_dir = join(DIRECTORY_SEPARATOR, $this->config_dir);        return $this;    }    /**     * Add config directory(s)     *     * @param string|array        $config_dir directory(s) of config sources     * @param mixed $key        key of the array element to assign the config dir to     *     * @return Smarty current Smarty instance for chaining     */    public function addConfigDir($config_dir, $key = null)    {        // make sure we're dealing with an array        $this->config_dir = (array) $this->config_dir;        if (is_array($config_dir)) {            foreach ($config_dir as $k => $v) {                $v = preg_replace('#(\w+)(/|\\\\){1,}#', '$1$2', rtrim($v, '/\\')) . DS;                if (is_int($k)) {                    // indexes are not merged but appended                    $this->config_dir[] = $v;                } else {                    // string indexes are overridden                    $this->config_dir[$k] = $v;                }            }        } else {            $v = preg_replace('#(\w+)(/|\\\\){1,}#', '$1$2', rtrim($config_dir, '/\\')) . DS;            if ($key !== null) {                // override directory at specified index                $this->config_dir[$key] = rtrim($v, '/\\') . DS;            } else {                // append new directory                $this->config_dir[] = rtrim($v, '/\\') . DS;            }        }        $this->joined_config_dir = join(DIRECTORY_SEPARATOR, $this->config_dir);        return $this;    }    /**     * Get config directory     *     * @param mixed $index index of directory to get, null to get all     *     * @return array|string configuration directory     */    public function getConfigDir($index = null)    {        if ($index !== null) {            return isset($this->config_dir[$index]) ? $this->config_dir[$index] : null;        }        return (array) $this->config_dir;    }    /**     * Set plugins directory     *     * @param  string|array $plugins_dir directory(s) of plugins     *     * @return Smarty       current Smarty instance for chaining     */    public function setPluginsDir($plugins_dir)    {        $this->plugins_dir = array();        foreach ((array) $plugins_dir as $k => $v) {            $this->plugins_dir[$k] = rtrim($v, '/\\') . DS;        }        return $this;    }    /**     * Adds directory of plugin files     *     * @param $plugins_dir     *     * @return Smarty current Smarty instance for chaining     */    public function addPluginsDir($plugins_dir)    {        // make sure we're dealing with an array        $this->plugins_dir = (array) $this->plugins_dir;        if (is_array($plugins_dir)) {            foreach ($plugins_dir as $k => $v) {                if (is_int($k)) {                    // indexes are not merged but appended                    $this->plugins_dir[] = rtrim($v, '/\\') . DS;                } else {                    // string indexes are overridden                    $this->plugins_dir[$k] = rtrim($v, '/\\') . DS;                }            }        } else {            // append new directory            $this->plugins_dir[] = rtrim($plugins_dir, '/\\') . DS;        }        $this->plugins_dir = array_unique($this->plugins_dir);        return $this;    }    /**     * Get plugin directories     *     * @return array list of plugin directories     */    public function getPluginsDir()    {        return (array) $this->plugins_dir;    }    /**     * Set compile directory     *     * @param  string $compile_dir directory to store compiled templates in     *     * @return Smarty current Smarty instance for chaining     */    public function setCompileDir($compile_dir)    {        $this->compile_dir = rtrim($compile_dir, '/\\') . DS;        if (!isset(Smarty::$_muted_directories[$this->compile_dir])) {            Smarty::$_muted_directories[$this->compile_dir] = null;        }        return $this;    }    /**     * Get compiled directory     *     * @return string path to compiled templates     */    public function getCompileDir()    {        return $this->compile_dir;    }    /**     * Set cache directory     *     * @param  string $cache_dir directory to store cached templates in     *     * @return Smarty current Smarty instance for chaining     */    public function setCacheDir($cache_dir)    {        $this->cache_dir = rtrim($cache_dir, '/\\') . DS;        if (!isset(Smarty::$_muted_directories[$this->cache_dir])) {            Smarty::$_muted_directories[$this->cache_dir] = null;        }        return $this;    }    /**     * Get cache directory     *     * @return string path of cache directory     */    public function getCacheDir()    {        return $this->cache_dir;    }    /**     * Set default modifiers     *     * @param  array|string $modifiers modifier or list of modifiers to set     *     * @return Smarty       current Smarty instance for chaining     */    public function setDefaultModifiers($modifiers)    {        $this->default_modifiers = (array) $modifiers;        return $this;    }    /**     * Add default modifiers     *     * @param  array|string $modifiers modifier or list of modifiers to add     *     * @return Smarty       current Smarty instance for chaining     */    public function addDefaultModifiers($modifiers)    {        if (is_array($modifiers)) {            $this->default_modifiers = array_merge($this->default_modifiers, $modifiers);        } else {            $this->default_modifiers[] = $modifiers;        }        return $this;    }    /**     * Get default modifiers     *     * @return array list of default modifiers     */    public function getDefaultModifiers()    {        return $this->default_modifiers;    }    /**     * Set autoload filters     *     * @param  array  $filters filters to load automatically     * @param  string $type    "pre", "output", … specify the filter type to set. Defaults to none treating $filters' keys as the appropriate types     *     * @return Smarty current Smarty instance for chaining     */    public function setAutoloadFilters($filters, $type = null)    {        if ($type !== null) {            $this->autoload_filters[$type] = (array) $filters;        } else {            $this->autoload_filters = (array) $filters;        }        return $this;    }    /**     * Add autoload filters     *     * @param  array  $filters filters to load automatically     * @param  string $type    "pre", "output", … specify the filter type to set. Defaults to none treating $filters' keys as the appropriate types     *     * @return Smarty current Smarty instance for chaining     */    public function addAutoloadFilters($filters, $type = null)    {        if ($type !== null) {            if (!empty($this->autoload_filters[$type])) {                $this->autoload_filters[$type] = array_merge($this->autoload_filters[$type], (array) $filters);            } else {                $this->autoload_filters[$type] = (array) $filters;            }        } else {            foreach ((array) $filters as $key => $value) {                if (!empty($this->autoload_filters[$key])) {                    $this->autoload_filters[$key] = array_merge($this->autoload_filters[$key], (array) $value);                } else {                    $this->autoload_filters[$key] = (array) $value;                }            }        }        return $this;    }    /**     * Get autoload filters     *     * @param  string $type type of filter to get autoloads for. Defaults to all autoload filters     *     * @return array  array( 'type1' => array( 'filter1', 'filter2', … ) ) or array( 'filter1', 'filter2', …) if $type was specified     */    public function getAutoloadFilters($type = null)    {        if ($type !== null) {            return isset($this->autoload_filters[$type]) ? $this->autoload_filters[$type] : array();        }        return $this->autoload_filters;    }    /**     * return name of debugging template     *     * @return string     */    public function getDebugTemplate()    {        return $this->debug_tpl;    }    /**     * set the debug template     *     * @param  string $tpl_name     *     * @return Smarty          current Smarty instance for chaining     * @throws SmartyException if file is not readable     */    public function setDebugTemplate($tpl_name)    {        if (!is_readable($tpl_name)) {            throw new SmartyException("Unknown file '{$tpl_name}'");        }        $this->debug_tpl = $tpl_name;        return $this;    }    /**     * creates a template object     *     * @param  string  $template   the resource handle of the template file     * @param  mixed   $cache_id   cache id to be used with this template     * @param  mixed   $compile_id compile id to be used with this template     * @param  object  $parent     next higher level of Smarty variables     * @param  boolean $do_clone   flag is Smarty object shall be cloned     *     * @return object  template object     */    public function createTemplate($template, $cache_id = null, $compile_id = null, $parent = null, $do_clone = true)    {        if ($cache_id !== null && (is_object($cache_id) || is_array($cache_id))) {            $parent = $cache_id;            $cache_id = null;        }        if ($parent !== null && is_array($parent)) {            $data = $parent;            $parent = null;        } else {            $data = null;        }        // default to cache_id and compile_id of Smarty object        $cache_id = $cache_id === null ? $this->cache_id : $cache_id;        $compile_id = $compile_id === null ? $this->compile_id : $compile_id;        // already in template cache?        if ($this->allow_ambiguous_resources) {            $_templateId = Smarty_Resource::getUniqueTemplateName($this, $template) . $cache_id . $compile_id;        } else {            $_templateId = $this->joined_template_dir . '#' . $template . $cache_id . $compile_id;        }        if (isset($_templateId[150])) {            $_templateId = sha1($_templateId);        }        if ($do_clone) {            if (isset($this->template_objects[$_templateId])) {                // return cached template object                $tpl = clone $this->template_objects[$_templateId];                $tpl->smarty = clone $tpl->smarty;                $tpl->parent = $parent;                $tpl->tpl_vars = array();                $tpl->config_vars = array();            } else {                $tpl = new $this->template_class($template, clone $this, $parent, $cache_id, $compile_id);            }        } else {            if (isset($this->template_objects[$_templateId])) {                // return cached template object                $tpl = $this->template_objects[$_templateId];                $tpl->parent = $parent;                $tpl->tpl_vars = array();                $tpl->config_vars = array();            } else {                $tpl = new $this->template_class($template, $this, $parent, $cache_id, $compile_id);            }        }        // fill data if present        if (!empty($data) && is_array($data)) {            // set up variable values            foreach ($data as $_key => $_val) {                $tpl->tpl_vars[$_key] = new Smarty_variable($_val);            }        }        return $tpl;    }    /**     * Takes unknown classes and loads plugin files for them     * class name format: Smarty_PluginType_PluginName     * plugin filename format: plugintype.pluginname.php     *     * @param  string $plugin_name class plugin name to load     * @param  bool   $check       check if already loaded     *     * @throws SmartyException     * @return string |boolean filepath of loaded file or false     */    public function loadPlugin($plugin_name, $check = true)    {        // if function or class exists, exit silently (already loaded)        if ($check && (is_callable($plugin_name) || class_exists($plugin_name, false))) {            return true;        }        // Plugin name is expected to be: Smarty_[Type]_[Name]        $_name_parts = explode('_', $plugin_name, 3);        // class name must have three parts to be valid plugin        // count($_name_parts) < 3 === !isset($_name_parts[2])        if (!isset($_name_parts[2]) || strtolower($_name_parts[0]) !== 'smarty') {            throw new SmartyException("plugin {$plugin_name} is not a valid name format");        }        // if type is "internal", get plugin from sysplugins        if (strtolower($_name_parts[1]) == 'internal') {            $file = SMARTY_SYSPLUGINS_DIR . strtolower($plugin_name) . '.php';            if (file_exists($file)) {                require_once($file);                return $file;            } else {                return false;            }        }        // plugin filename is expected to be: [type].[name].php        $_plugin_filename = "{$_name_parts[1]}.{$_name_parts[2]}.php";        $_stream_resolve_include_path = function_exists('stream_resolve_include_path');        // loop through plugin dirs and find the plugin        foreach ($this->getPluginsDir() as $_plugin_dir) {            $names = array(                $_plugin_dir . $_plugin_filename,                $_plugin_dir . strtolower($_plugin_filename),            );            foreach ($names as $file) {                if (file_exists($file)) {                    require_once($file);                    return $file;                }                if ($this->use_include_path && !preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $_plugin_dir)) {                    // try PHP include_path                    if ($_stream_resolve_include_path) {                        $file = stream_resolve_include_path($file);                    } else {                        $file = Smarty_Internal_Get_Include_Path::getIncludePath($file);                    }                    if ($file !== false) {                        require_once($file);                        return $file;                    }                }            }        }        // no plugin loaded        return false;    }    /**     * Compile all template files     *     * @param  string $extension     file extension     * @param  bool   $force_compile force all to recompile     * @param  int    $time_limit     * @param  int    $max_errors     *     * @return integer number of template files recompiled     */    public function compileAllTemplates($extension = '.tpl', $force_compile = false, $time_limit = 0, $max_errors = null)    {        return Smarty_Internal_Utility::compileAllTemplates($extension, $force_compile, $time_limit, $max_errors, $this);    }    /**     * Compile all config files     *     * @param  string $extension     file extension     * @param  bool   $force_compile force all to recompile     * @param  int    $time_limit     * @param  int    $max_errors     *     * @return integer number of template files recompiled     */    public function compileAllConfig($extension = '.conf', $force_compile = false, $time_limit = 0, $max_errors = null)    {        return Smarty_Internal_Utility::compileAllConfig($extension, $force_compile, $time_limit, $max_errors, $this);    }    /**     * Delete compiled template file     *     * @param  string  $resource_name template name     * @param  string  $compile_id    compile id     * @param  integer $exp_time      expiration time     *     * @return integer number of template files deleted     */    public function clearCompiledTemplate($resource_name = null, $compile_id = null, $exp_time = null)    {        return Smarty_Internal_Utility::clearCompiledTemplate($resource_name, $compile_id, $exp_time, $this);    }    /**     * Return array of tag/attributes of all tags used by an template     *     * @param Smarty_Internal_Template $template     *     * @return array  of tag/attributes     */    public function getTags(Smarty_Internal_Template $template)    {        return Smarty_Internal_Utility::getTags($template);    }    /**     * Run installation test     *     * @param  array $errors Array to write errors into, rather than outputting them     *     * @return boolean true if setup is fine, false if something is wrong     */    public function testInstall(&$errors = null)    {        return Smarty_Internal_Utility::testInstall($this, $errors);    }    /**     * Error Handler to mute expected messages     *     * @link http://php.net/set_error_handler     *     * @param  integer $errno Error level     * @param          $errstr     * @param          $errfile     * @param          $errline     * @param          $errcontext     *     * @return boolean     */    public static function mutingErrorHandler($errno, $errstr, $errfile, $errline, $errcontext)    {        $_is_muted_directory = false;        // add the SMARTY_DIR to the list of muted directories        if (!isset(Smarty::$_muted_directories[SMARTY_DIR])) {            $smarty_dir = realpath(SMARTY_DIR);            if ($smarty_dir !== false) {                Smarty::$_muted_directories[SMARTY_DIR] = array(                    'file'   => $smarty_dir,                    'length' => strlen($smarty_dir),                );            }        }        // walk the muted directories and test against $errfile        foreach (Smarty::$_muted_directories as $key => &$dir) {            if (!$dir) {                // resolve directory and length for speedy comparisons                $file = realpath($key);                if ($file === false) {                    // this directory does not exist, remove and skip it                    unset(Smarty::$_muted_directories[$key]);                    continue;                }                $dir = array(                    'file'   => $file,                    'length' => strlen($file),                );            }            if (!strncmp($errfile, $dir['file'], $dir['length'])) {                $_is_muted_directory = true;                break;            }        }        // pass to next error handler if this error did not occur inside SMARTY_DIR        // or the error was within smarty but masked to be ignored        if (!$_is_muted_directory || ($errno && $errno & error_reporting())) {            if (Smarty::$_previous_error_handler) {                return call_user_func(Smarty::$_previous_error_handler, $errno, $errstr, $errfile, $errline, $errcontext);            } else {                return false;            }        }    }    /**     * Enable error handler to mute expected messages     *     * @return void     */    public static function muteExpectedErrors()    {        /*            error muting is done because some people implemented custom error_handlers using            http://php.net/set_error_handler and for some reason did not understand the following paragraph:                It is important to remember that the standard PHP error handler is completely bypassed for the                error types specified by error_types unless the callback function returns FALSE.                error_reporting() settings will have no effect and your error handler will be called regardless -                however you are still able to read the current value of error_reporting and act appropriately.                Of particular note is that this value will be 0 if the statement that caused the error was                prepended by the @ error-control operator.            Smarty deliberately uses @filemtime() over file_exists() and filemtime() in some places. Reasons include                - @filemtime() is almost twice as fast as using an additional file_exists()                - between file_exists() and filemtime() a possible race condition is opened,                  which does not exist using the simple @filemtime() approach.        */        $error_handler = array('Smarty', 'mutingErrorHandler');        $previous = set_error_handler($error_handler);        // avoid dead loops        if ($previous !== $error_handler) {            Smarty::$_previous_error_handler = $previous;        }    }    /**     * Disable error handler muting expected messages     *     * @return void     */    public static function unmuteExpectedErrors()    {        restore_error_handler();    }}// Check if we're running on windowsSmarty::$_IS_WINDOWS = strtoupper(substr(PHP_OS, 0, 3)) === 'WIN';// let PCRE (preg_*) treat strings as ISO-8859-1 if we're not dealing with UTF-8if (Smarty::$_CHARSET !== 'UTF-8') {    Smarty::$_UTF8_MODIFIER = '';}/** * Smarty exception class * * @package Smarty */class SmartyException extends Exception{    public static $escape = false;    public function __toString()    {        return ' --> Smarty: ' . (self::$escape ? htmlentities($this->message) : $this->message) . ' <-- ';    }}/** * Smarty compiler exception class * * @package Smarty */class SmartyCompilerException extends SmartyException{    public function __toString()    {        return ' --> Smarty Compiler: ' . $this->message . ' <-- ';    }    /**     * The line number of the template error     *     * @type int|null     */    public $line = null;    /**     * The template source snippet relating to the error     *     * @type string|null     */    public $source = null;    /**     * The raw text of the error message     *     * @type string|null     */    public $desc = null;    /**     * The resource identifier or template name     *     * @type string|null     */    public $template = null;}/** * Autoloader */function smartyAutoload($class){    $_class = strtolower($class);    static $_classes = array(        'smarty_config_source'               => true,        'smarty_config_compiled'             => true,        'smarty_security'                    => true,        'smarty_cacheresource'               => true,        'smarty_cacheresource_custom'        => true,        'smarty_cacheresource_keyvaluestore' => true,        'smarty_resource'                    => true,        'smarty_resource_custom'             => true,        'smarty_resource_uncompiled'         => true,        'smarty_resource_recompiled'         => true,    );    if (!strncmp($_class, 'smarty_internal_', 16) || isset($_classes[$_class])) {        include SMARTY_SYSPLUGINS_DIR . $_class . '.php';    }}<?php/** * Project:     Smarty: the PHP compiling template engine * File:        Smarty.class.php * SVN:         $Id: Smarty.class.php 4848 2014-06-08 18:12:09Z Uwe.Tews@googlemail.com $ * 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 2008 New Digital Group, Inc. * @author    Monte Ohrt <monte at ohrt dot com> * @author    Uwe Tews * @author    Rodney Rehm * @package   Smarty * @version   3.1.19 *//** * 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_split'));}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');}/** * register the class autoloader */if (!defined('SMARTY_SPL_AUTOLOAD')) {    define('SMARTY_SPL_AUTOLOAD', 0);}if (SMARTY_SPL_AUTOLOAD && set_include_path(get_include_path() . PATH_SEPARATOR . SMARTY_SYSPLUGINS_DIR) !== false) {    $registeredAutoLoadFunctions = spl_autoload_functions();    if (!isset($registeredAutoLoadFunctions['spl_autoload'])) {        spl_autoload_register();    }} else {    spl_autoload_register('smartyAutoload');}/** * Load always needed external class files */include_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_data.php';include_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_templatebase.php';include_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_template.php';include_once SMARTY_SYSPLUGINS_DIR . 'smarty_resource.php';include_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_resource_file.php';include_once SMARTY_SYSPLUGINS_DIR . 'smarty_cacheresource.php';include_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_cacheresource_file.php';/** * This is the main Smarty class * * @package Smarty */class Smarty extends Smarty_Internal_TemplateBase{    /**#@+     * constant definitions     */    /**     * smarty version     */    const SMARTY_VERSION = 'Smarty-3.1.19';    /**     * 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;    /**     * 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();    /**     * 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();    /**     * joined template directory string used in cache keys     *     * @var string     */    public $joined_template_dir = null;    /**     * joined config directory string used in cache keys     *     * @var string     */    public $joined_config_dir = null;    /**     * 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 = null;    /**     * plugins directory     *     * @var array     */    private $plugins_dir = array();    /**     * cache directory     *     * @var string     */    private $cache_dir = null;    /**     * config directory     *     * @var array     */    private $config_dir = array();    /**     * 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;    /**     * caching enabled     *     * @var boolean     */    public $caching = false;    /**     * merge compiled includes     *     * @var boolean     */    public $merge_compiled_includes = false;    /**     * template inheritance merge compiled includes     *     * @var boolean     */    public $inheritance_merge_compiled_includes = true;    /**     * cache lifetime in seconds     *     * @var integer     */    public $cache_lifetime = 3600;    /**     * force cache file creation     *     * @var boolean     */    public $force_cache = false;    /**     * Set this if you want different sets of cache files for the same     * templates.     *     * @var string     */    public $cache_id = null;    /**     * Set this if you want different sets of compiled files for the same     * templates.     *     * @var string     */    public $compile_id = null;    /**     * 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 type     */    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     */    public $cache_locking = false;    /**     * seconds to wait for acquiring a lock before ignoring the write lock     *     * @var float     */    public $locking_timeout = 10;    /**#@-*/    /**     * global template functions     *     * @var array     */    public $template_functions = array();    /**     * resource type used if none given     * Must be an valid key of $registered_resources.     *     * @var string     */    public $default_resource_type = 'file';    /**     * caching type     * Must be an element of $cache_resource_types.     *     * @var string     */    public $caching_type = 'file';    /**     * internal config properties     *     * @var array     */    public $properties = array();    /**     * config type     *     * @var string     */    public $default_config_type = 'file';    /**     * cached template objects     *     * @var array     */    public $template_objects = array();    /**     * check If-Modified-Since headers     *     * @var boolean     */    public $cache_modified_check = false;    /**     * registered plugins     *     * @var array     */    public $registered_plugins = array();    /**     * plugin search order     *     * @var array     */    public $plugin_search_order = array('function', 'block', 'compiler', 'class');    /**     * registered objects     *     * @var array     */    public $registered_objects = array();    /**     * registered classes     *     * @var array     */    public $registered_classes = array();    /**     * registered filters     *     * @var array     */    public $registered_filters = array();    /**     * registered resources     *     * @var array     */    public $registered_resources = array();    /**     * resource handler cache     *     * @var array     */    public $_resource_handlers = array();    /**     * registered cache resources     *     * @var array     */    public $registered_cache_resources = array();    /**     * cache resource handler cache     *     * @var array     */    public $_cacheresource_handlers = array();    /**     * autoload filter     *     * @var array     */    public $autoload_filters = array();    /**     * default modifier     *     * @var array     */    public $default_modifiers = array();    /**     * autoescape variable output     *     * @var boolean     */    public $escape_html = false;    /**     * global internal smarty vars     *     * @var array     */    public static $_smarty_vars = array();    /**     * start time for execution time calculation     *     * @var int     */    public $start_time = 0;    /**     * default file permissions     *     * @var int     */    public $_file_perms = 0644;    /**     * default dir permissions     *     * @var int     */    public $_dir_perms = 0771;    /**     * block tag hierarchy     *     * @var array     */    public $_tag_stack = array();    /**     * self pointer to Smarty object     *     * @var Smarty     */    public $smarty;    /**     * required by the compiler for BC     *     * @var string     */    public $_current_file = null;    /**     * internal flag to enable parser debugging     *     * @var bool     */    public $_parserdebug = false;    /**     * Saved parameter of merged templates during compilation     *     * @var array     */    public $merged_templates_func = array();    /**#@-*/    /**     * Initialize new Smarty object     */    public function __construct()    {        // selfpointer needed by some other class methods        $this->smarty = $this;        if (is_callable('mb_internal_encoding')) {            mb_internal_encoding(Smarty::$_CHARSET);        }        $this->start_time = microtime(true);        // set default dirs        $this->setTemplateDir('.' . DS . 'templates' . DS)            ->setCompileDir('.' . DS . 'templates_c' . DS)            ->setPluginsDir(SMARTY_PLUGINS_DIR)            ->setCacheDir('.' . DS . 'cache' . DS)            ->setConfigDir('.' . DS . 'configs' . DS);        $this->debug_tpl = 'file:' . dirname(__FILE__) . '/debug.tpl';        if (isset($_SERVER['SCRIPT_NAME'])) {            $this->assignGlobal('SCRIPT_NAME', $_SERVER['SCRIPT_NAME']);        }    }    /**     * Class destructor     */    public function __destruct()    {        // intentionally left blank    }    /**     * <<magic>> set selfpointer on cloned object     */    public function __clone()    {        $this->smarty = $this;    }    /**     * <<magic>> Generic getter.     * Calls the appropriate getter function.     * Issues an E_USER_NOTICE if no valid getter is found.     *     * @param  string $name property name     *     * @return mixed     */    public function __get($name)    {        $allowed = array(            'template_dir' => 'getTemplateDir',            'config_dir'   => 'getConfigDir',            'plugins_dir'  => 'getPluginsDir',            'compile_dir'  => 'getCompileDir',            'cache_dir'    => 'getCacheDir',        );        if (isset($allowed[$name])) {            return $this->{$allowed[$name]}();        } else {            trigger_error('Undefined property: ' . get_class($this) . '::$' . $name, E_USER_NOTICE);        }    }    /**     * <<magic>> Generic setter.     * Calls the appropriate setter function.     * Issues an E_USER_NOTICE if no valid setter is found.     *     * @param string $name  property name     * @param mixed  $value parameter passed to setter     */    public function __set($name, $value)    {        $allowed = array(            'template_dir' => 'setTemplateDir',            'config_dir'   => 'setConfigDir',            'plugins_dir'  => 'setPluginsDir',            'compile_dir'  => 'setCompileDir',            'cache_dir'    => 'setCacheDir',        );        if (isset($allowed[$name])) {            $this->{$allowed[$name]}($value);        } else {            trigger_error('Undefined property: ' . get_class($this) . '::$' . $name, E_USER_NOTICE);        }    }    /**     * Check if a template resource exists     *     * @param  string $resource_name template name     *     * @return boolean status     */    public function templateExists($resource_name)    {        // create template object        $save = $this->template_objects;        $tpl = new $this->template_class($resource_name, $this);        // check if it does exists        $result = $tpl->source->exists;        $this->template_objects = $save;        return $result;    }    /**     * Returns a single or all global  variables     *     * @param  string $varname variable name or null     *     * @return string variable value or or array of variables     */    public function getGlobal($varname = null)    {        if (isset($varname)) {            if (isset(self::$global_tpl_vars[$varname])) {                return self::$global_tpl_vars[$varname]->value;            } else {                return '';            }        } else {            $_result = array();            foreach (self::$global_tpl_vars AS $key => $var) {                $_result[$key] = $var->value;            }            return $_result;        }    }    /**     * Empty cache folder     *     * @param  integer $exp_time expiration time     * @param  string  $type     resource type     *     * @return integer number of cache files deleted     */    public function clearAllCache($exp_time = null, $type = null)    {        // load cache resource and call clearAll        $_cache_resource = Smarty_CacheResource::load($this, $type);        Smarty_CacheResource::invalidLoadedCache($this);        return $_cache_resource->clearAll($this, $exp_time);    }    /**     * Empty cache for a specific template     *     * @param  string  $template_name template name     * @param  string  $cache_id      cache id     * @param  string  $compile_id    compile id     * @param  integer $exp_time      expiration time     * @param  string  $type          resource type     *     * @return integer number of cache files deleted     */    public function clearCache($template_name, $cache_id = null, $compile_id = null, $exp_time = null, $type = null)    {        // load cache resource and call clear        $_cache_resource = Smarty_CacheResource::load($this, $type);        Smarty_CacheResource::invalidLoadedCache($this);        return $_cache_resource->clear($this, $template_name, $cache_id, $compile_id, $exp_time);    }    /**     * Loads security class and enables security     *     * @param  string|Smarty_Security $security_class if a string is used, it must be class-name     *     * @return Smarty                 current Smarty instance for chaining     * @throws SmartyException        when an invalid class name is provided     */    public function enableSecurity($security_class = null)    {        if ($security_class instanceof Smarty_Security) {            $this->security_policy = $security_class;            return $this;        } elseif (is_object($security_class)) {            throw new SmartyException("Class '" . get_class($security_class) . "' must extend Smarty_Security.");        }        if ($security_class == null) {            $security_class = $this->security_class;        }        if (!class_exists($security_class)) {            throw new SmartyException("Security class '$security_class' is not defined");        } elseif ($security_class !== 'Smarty_Security' && !is_subclass_of($security_class, 'Smarty_Security')) {            throw new SmartyException("Class '$security_class' must extend Smarty_Security.");        } else {            $this->security_policy = new $security_class($this);        }        return $this;    }    /**     * Disable security     *     * @return Smarty current Smarty instance for chaining     */    public function disableSecurity()    {        $this->security_policy = null;        return $this;    }    /**     * Set template directory     *     * @param  string|array $template_dir directory(s) of template sources     *     * @return Smarty       current Smarty instance for chaining     */    public function setTemplateDir($template_dir)    {        $this->template_dir = array();        foreach ((array) $template_dir as $k => $v) {            $this->template_dir[$k] = preg_replace('#(\w+)(/|\\\\){1,}#', '$1$2', rtrim($v, '/\\')) . DS;        }        $this->joined_template_dir = join(DIRECTORY_SEPARATOR, $this->template_dir);        return $this;    }    /**     * Add template directory(s)     *     * @param  string|array $template_dir directory(s) of template sources     * @param  string       $key          of the array element to assign the template dir to     *     * @return Smarty          current Smarty instance for chaining     * @throws SmartyException when the given template directory is not valid     */    public function addTemplateDir($template_dir, $key = null)    {        // make sure we're dealing with an array        $this->template_dir = (array) $this->template_dir;        if (is_array($template_dir)) {            foreach ($template_dir as $k => $v) {                $v = preg_replace('#(\w+)(/|\\\\){1,}#', '$1$2', rtrim($v, '/\\')) . DS;                if (is_int($k)) {                    // indexes are not merged but appended                    $this->template_dir[] = $v;                } else {                    // string indexes are overridden                    $this->template_dir[$k] = $v;                }            }        } else {            $v = preg_replace('#(\w+)(/|\\\\){1,}#', '$1$2', rtrim($template_dir, '/\\')) . DS;            if ($key !== null) {                // override directory at specified index                $this->template_dir[$key] = $v;            } else {                // append new directory                $this->template_dir[] = $v;            }        }        $this->joined_template_dir = join(DIRECTORY_SEPARATOR, $this->template_dir);        return $this;    }    /**     * Get template directories     *     * @param mixed $index index of directory to get, null to get all     *     * @return array|string list of template directories, or directory of $index     */    public function getTemplateDir($index = null)    {        if ($index !== null) {            return isset($this->template_dir[$index]) ? $this->template_dir[$index] : null;        }        return (array) $this->template_dir;    }    /**     * Set config directory     *     * @param $config_dir     *     * @return Smarty       current Smarty instance for chaining     */    public function setConfigDir($config_dir)    {        $this->config_dir = array();        foreach ((array) $config_dir as $k => $v) {            $this->config_dir[$k] = preg_replace('#(\w+)(/|\\\\){1,}#', '$1$2', rtrim($v, '/\\')) . DS;        }        $this->joined_config_dir = join(DIRECTORY_SEPARATOR, $this->config_dir);        return $this;    }    /**     * Add config directory(s)     *     * @param string|array        $config_dir directory(s) of config sources     * @param mixed $key        key of the array element to assign the config dir to     *     * @return Smarty current Smarty instance for chaining     */    public function addConfigDir($config_dir, $key = null)    {        // make sure we're dealing with an array        $this->config_dir = (array) $this->config_dir;        if (is_array($config_dir)) {            foreach ($config_dir as $k => $v) {                $v = preg_replace('#(\w+)(/|\\\\){1,}#', '$1$2', rtrim($v, '/\\')) . DS;                if (is_int($k)) {                    // indexes are not merged but appended                    $this->config_dir[] = $v;                } else {                    // string indexes are overridden                    $this->config_dir[$k] = $v;                }            }        } else {            $v = preg_replace('#(\w+)(/|\\\\){1,}#', '$1$2', rtrim($config_dir, '/\\')) . DS;            if ($key !== null) {                // override directory at specified index                $this->config_dir[$key] = rtrim($v, '/\\') . DS;            } else {                // append new directory                $this->config_dir[] = rtrim($v, '/\\') . DS;            }        }        $this->joined_config_dir = join(DIRECTORY_SEPARATOR, $this->config_dir);        return $this;    }    /**     * Get config directory     *     * @param mixed $index index of directory to get, null to get all     *     * @return array|string configuration directory     */    public function getConfigDir($index = null)    {        if ($index !== null) {            return isset($this->config_dir[$index]) ? $this->config_dir[$index] : null;        }        return (array) $this->config_dir;    }    /**     * Set plugins directory     *     * @param  string|array $plugins_dir directory(s) of plugins     *     * @return Smarty       current Smarty instance for chaining     */    public function setPluginsDir($plugins_dir)    {        $this->plugins_dir = array();        foreach ((array) $plugins_dir as $k => $v) {            $this->plugins_dir[$k] = rtrim($v, '/\\') . DS;        }        return $this;    }    /**     * Adds directory of plugin files     *     * @param $plugins_dir     *     * @return Smarty current Smarty instance for chaining     */    public function addPluginsDir($plugins_dir)    {        // make sure we're dealing with an array        $this->plugins_dir = (array) $this->plugins_dir;        if (is_array($plugins_dir)) {            foreach ($plugins_dir as $k => $v) {                if (is_int($k)) {                    // indexes are not merged but appended                    $this->plugins_dir[] = rtrim($v, '/\\') . DS;                } else {                    // string indexes are overridden                    $this->plugins_dir[$k] = rtrim($v, '/\\') . DS;                }            }        } else {            // append new directory            $this->plugins_dir[] = rtrim($plugins_dir, '/\\') . DS;        }        $this->plugins_dir = array_unique($this->plugins_dir);        return $this;    }    /**     * Get plugin directories     *     * @return array list of plugin directories     */    public function getPluginsDir()    {        return (array) $this->plugins_dir;    }    /**     * Set compile directory     *     * @param  string $compile_dir directory to store compiled templates in     *     * @return Smarty current Smarty instance for chaining     */    public function setCompileDir($compile_dir)    {        $this->compile_dir = rtrim($compile_dir, '/\\') . DS;        if (!isset(Smarty::$_muted_directories[$this->compile_dir])) {            Smarty::$_muted_directories[$this->compile_dir] = null;        }        return $this;    }    /**     * Get compiled directory     *     * @return string path to compiled templates     */    public function getCompileDir()    {        return $this->compile_dir;    }    /**     * Set cache directory     *     * @param  string $cache_dir directory to store cached templates in     *     * @return Smarty current Smarty instance for chaining     */    public function setCacheDir($cache_dir)    {        $this->cache_dir = rtrim($cache_dir, '/\\') . DS;        if (!isset(Smarty::$_muted_directories[$this->cache_dir])) {            Smarty::$_muted_directories[$this->cache_dir] = null;        }        return $this;    }    /**     * Get cache directory     *     * @return string path of cache directory     */    public function getCacheDir()    {        return $this->cache_dir;    }    /**     * Set default modifiers     *     * @param  array|string $modifiers modifier or list of modifiers to set     *     * @return Smarty       current Smarty instance for chaining     */    public function setDefaultModifiers($modifiers)    {        $this->default_modifiers = (array) $modifiers;        return $this;    }    /**     * Add default modifiers     *     * @param  array|string $modifiers modifier or list of modifiers to add     *     * @return Smarty       current Smarty instance for chaining     */    public function addDefaultModifiers($modifiers)    {        if (is_array($modifiers)) {            $this->default_modifiers = array_merge($this->default_modifiers, $modifiers);        } else {            $this->default_modifiers[] = $modifiers;        }        return $this;    }    /**     * Get default modifiers     *     * @return array list of default modifiers     */    public function getDefaultModifiers()    {        return $this->default_modifiers;    }    /**     * Set autoload filters     *     * @param  array  $filters filters to load automatically     * @param  string $type    "pre", "output", … specify the filter type to set. Defaults to none treating $filters' keys as the appropriate types     *     * @return Smarty current Smarty instance for chaining     */    public function setAutoloadFilters($filters, $type = null)    {        if ($type !== null) {            $this->autoload_filters[$type] = (array) $filters;        } else {            $this->autoload_filters = (array) $filters;        }        return $this;    }    /**     * Add autoload filters     *     * @param  array  $filters filters to load automatically     * @param  string $type    "pre", "output", … specify the filter type to set. Defaults to none treating $filters' keys as the appropriate types     *     * @return Smarty current Smarty instance for chaining     */    public function addAutoloadFilters($filters, $type = null)    {        if ($type !== null) {            if (!empty($this->autoload_filters[$type])) {                $this->autoload_filters[$type] = array_merge($this->autoload_filters[$type], (array) $filters);            } else {                $this->autoload_filters[$type] = (array) $filters;            }        } else {            foreach ((array) $filters as $key => $value) {                if (!empty($this->autoload_filters[$key])) {                    $this->autoload_filters[$key] = array_merge($this->autoload_filters[$key], (array) $value);                } else {                    $this->autoload_filters[$key] = (array) $value;                }            }        }        return $this;    }    /**     * Get autoload filters     *     * @param  string $type type of filter to get autoloads for. Defaults to all autoload filters     *     * @return array  array( 'type1' => array( 'filter1', 'filter2', … ) ) or array( 'filter1', 'filter2', …) if $type was specified     */    public function getAutoloadFilters($type = null)    {        if ($type !== null) {            return isset($this->autoload_filters[$type]) ? $this->autoload_filters[$type] : array();        }        return $this->autoload_filters;    }    /**     * return name of debugging template     *     * @return string     */    public function getDebugTemplate()    {        return $this->debug_tpl;    }    /**     * set the debug template     *     * @param  string $tpl_name     *     * @return Smarty          current Smarty instance for chaining     * @throws SmartyException if file is not readable     */    public function setDebugTemplate($tpl_name)    {        if (!is_readable($tpl_name)) {            throw new SmartyException("Unknown file '{$tpl_name}'");        }        $this->debug_tpl = $tpl_name;        return $this;    }    /**     * creates a template object     *     * @param  string  $template   the resource handle of the template file     * @param  mixed   $cache_id   cache id to be used with this template     * @param  mixed   $compile_id compile id to be used with this template     * @param  object  $parent     next higher level of Smarty variables     * @param  boolean $do_clone   flag is Smarty object shall be cloned     *     * @return object  template object     */    public function createTemplate($template, $cache_id = null, $compile_id = null, $parent = null, $do_clone = true)    {        if ($cache_id !== null && (is_object($cache_id) || is_array($cache_id))) {            $parent = $cache_id;            $cache_id = null;        }        if ($parent !== null && is_array($parent)) {            $data = $parent;            $parent = null;        } else {            $data = null;        }        // default to cache_id and compile_id of Smarty object        $cache_id = $cache_id === null ? $this->cache_id : $cache_id;        $compile_id = $compile_id === null ? $this->compile_id : $compile_id;        // already in template cache?        if ($this->allow_ambiguous_resources) {            $_templateId = Smarty_Resource::getUniqueTemplateName($this, $template) . $cache_id . $compile_id;        } else {            $_templateId = $this->joined_template_dir . '#' . $template . $cache_id . $compile_id;        }        if (isset($_templateId[150])) {            $_templateId = sha1($_templateId);        }        if ($do_clone) {            if (isset($this->template_objects[$_templateId])) {                // return cached template object                $tpl = clone $this->template_objects[$_templateId];                $tpl->smarty = clone $tpl->smarty;                $tpl->parent = $parent;                $tpl->tpl_vars = array();                $tpl->config_vars = array();            } else {                $tpl = new $this->template_class($template, clone $this, $parent, $cache_id, $compile_id);            }        } else {            if (isset($this->template_objects[$_templateId])) {                // return cached template object                $tpl = $this->template_objects[$_templateId];                $tpl->parent = $parent;                $tpl->tpl_vars = array();                $tpl->config_vars = array();            } else {                $tpl = new $this->template_class($template, $this, $parent, $cache_id, $compile_id);            }        }        // fill data if present        if (!empty($data) && is_array($data)) {            // set up variable values            foreach ($data as $_key => $_val) {                $tpl->tpl_vars[$_key] = new Smarty_variable($_val);            }        }        return $tpl;    }    /**     * Takes unknown classes and loads plugin files for them     * class name format: Smarty_PluginType_PluginName     * plugin filename format: plugintype.pluginname.php     *     * @param  string $plugin_name class plugin name to load     * @param  bool   $check       check if already loaded     *     * @throws SmartyException     * @return string |boolean filepath of loaded file or false     */    public function loadPlugin($plugin_name, $check = true)    {        // if function or class exists, exit silently (already loaded)        if ($check && (is_callable($plugin_name) || class_exists($plugin_name, false))) {            return true;        }        // Plugin name is expected to be: Smarty_[Type]_[Name]        $_name_parts = explode('_', $plugin_name, 3);        // class name must have three parts to be valid plugin        // count($_name_parts) < 3 === !isset($_name_parts[2])        if (!isset($_name_parts[2]) || strtolower($_name_parts[0]) !== 'smarty') {            throw new SmartyException("plugin {$plugin_name} is not a valid name format");        }        // if type is "internal", get plugin from sysplugins        if (strtolower($_name_parts[1]) == 'internal') {            $file = SMARTY_SYSPLUGINS_DIR . strtolower($plugin_name) . '.php';            if (file_exists($file)) {                require_once($file);                return $file;            } else {                return false;            }        }        // plugin filename is expected to be: [type].[name].php        $_plugin_filename = "{$_name_parts[1]}.{$_name_parts[2]}.php";        $_stream_resolve_include_path = function_exists('stream_resolve_include_path');        // loop through plugin dirs and find the plugin        foreach ($this->getPluginsDir() as $_plugin_dir) {            $names = array(                $_plugin_dir . $_plugin_filename,                $_plugin_dir . strtolower($_plugin_filename),            );            foreach ($names as $file) {                if (file_exists($file)) {                    require_once($file);                    return $file;                }                if ($this->use_include_path && !preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $_plugin_dir)) {                    // try PHP include_path                    if ($_stream_resolve_include_path) {                        $file = stream_resolve_include_path($file);                    } else {                        $file = Smarty_Internal_Get_Include_Path::getIncludePath($file);                    }                    if ($file !== false) {                        require_once($file);                        return $file;                    }                }            }        }        // no plugin loaded        return false;    }    /**     * Compile all template files     *     * @param  string $extension     file extension     * @param  bool   $force_compile force all to recompile     * @param  int    $time_limit     * @param  int    $max_errors     *     * @return integer number of template files recompiled     */    public function compileAllTemplates($extension = '.tpl', $force_compile = false, $time_limit = 0, $max_errors = null)    {        return Smarty_Internal_Utility::compileAllTemplates($extension, $force_compile, $time_limit, $max_errors, $this);    }    /**     * Compile all config files     *     * @param  string $extension     file extension     * @param  bool   $force_compile force all to recompile     * @param  int    $time_limit     * @param  int    $max_errors     *     * @return integer number of template files recompiled     */    public function compileAllConfig($extension = '.conf', $force_compile = false, $time_limit = 0, $max_errors = null)    {        return Smarty_Internal_Utility::compileAllConfig($extension, $force_compile, $time_limit, $max_errors, $this);    }    /**     * Delete compiled template file     *     * @param  string  $resource_name template name     * @param  string  $compile_id    compile id     * @param  integer $exp_time      expiration time     *     * @return integer number of template files deleted     */    public function clearCompiledTemplate($resource_name = null, $compile_id = null, $exp_time = null)    {        return Smarty_Internal_Utility::clearCompiledTemplate($resource_name, $compile_id, $exp_time, $this);    }    /**     * Return array of tag/attributes of all tags used by an template     *     * @param Smarty_Internal_Template $template     *     * @return array  of tag/attributes     */    public function getTags(Smarty_Internal_Template $template)    {        return Smarty_Internal_Utility::getTags($template);    }    /**     * Run installation test     *     * @param  array $errors Array to write errors into, rather than outputting them     *     * @return boolean true if setup is fine, false if something is wrong     */    public function testInstall(&$errors = null)    {        return Smarty_Internal_Utility::testInstall($this, $errors);    }    /**     * Error Handler to mute expected messages     *     * @link http://php.net/set_error_handler     *     * @param  integer $errno Error level     * @param          $errstr     * @param          $errfile     * @param          $errline     * @param          $errcontext     *     * @return boolean     */    public static function mutingErrorHandler($errno, $errstr, $errfile, $errline, $errcontext)    {        $_is_muted_directory = false;        // add the SMARTY_DIR to the list of muted directories        if (!isset(Smarty::$_muted_directories[SMARTY_DIR])) {            $smarty_dir = realpath(SMARTY_DIR);            if ($smarty_dir !== false) {                Smarty::$_muted_directories[SMARTY_DIR] = array(                    'file'   => $smarty_dir,                    'length' => strlen($smarty_dir),                );            }        }        // walk the muted directories and test against $errfile        foreach (Smarty::$_muted_directories as $key => &$dir) {            if (!$dir) {                // resolve directory and length for speedy comparisons                $file = realpath($key);                if ($file === false) {                    // this directory does not exist, remove and skip it                    unset(Smarty::$_muted_directories[$key]);                    continue;                }                $dir = array(                    'file'   => $file,                    'length' => strlen($file),                );            }            if (!strncmp($errfile, $dir['file'], $dir['length'])) {                $_is_muted_directory = true;                break;            }        }        // pass to next error handler if this error did not occur inside SMARTY_DIR        // or the error was within smarty but masked to be ignored        if (!$_is_muted_directory || ($errno && $errno & error_reporting())) {            if (Smarty::$_previous_error_handler) {                return call_user_func(Smarty::$_previous_error_handler, $errno, $errstr, $errfile, $errline, $errcontext);            } else {                return false;            }        }    }    /**     * Enable error handler to mute expected messages     *     * @return void     */    public static function muteExpectedErrors()    {        /*            error muting is done because some people implemented custom error_handlers using            http://php.net/set_error_handler and for some reason did not understand the following paragraph:                It is important to remember that the standard PHP error handler is completely bypassed for the                error types specified by error_types unless the callback function returns FALSE.                error_reporting() settings will have no effect and your error handler will be called regardless -                however you are still able to read the current value of error_reporting and act appropriately.                Of particular note is that this value will be 0 if the statement that caused the error was                prepended by the @ error-control operator.            Smarty deliberately uses @filemtime() over file_exists() and filemtime() in some places. Reasons include                - @filemtime() is almost twice as fast as using an additional file_exists()                - between file_exists() and filemtime() a possible race condition is opened,                  which does not exist using the simple @filemtime() approach.        */        $error_handler = array('Smarty', 'mutingErrorHandler');        $previous = set_error_handler($error_handler);        // avoid dead loops        if ($previous !== $error_handler) {            Smarty::$_previous_error_handler = $previous;        }    }    /**     * Disable error handler muting expected messages     *     * @return void     */    public static function unmuteExpectedErrors()    {        restore_error_handler();    }}// Check if we're running on windowsSmarty::$_IS_WINDOWS = strtoupper(substr(PHP_OS, 0, 3)) === 'WIN';// let PCRE (preg_*) treat strings as ISO-8859-1 if we're not dealing with UTF-8if (Smarty::$_CHARSET !== 'UTF-8') {    Smarty::$_UTF8_MODIFIER = '';}/** * Smarty exception class * * @package Smarty */class SmartyException extends Exception{    public static $escape = false;    public function __toString()    {        return ' --> Smarty: ' . (self::$escape ? htmlentities($this->message) : $this->message) . ' <-- ';    }}/** * Smarty compiler exception class * * @package Smarty */class SmartyCompilerException extends SmartyException{    public function __toString()    {        return ' --> Smarty Compiler: ' . $this->message . ' <-- ';    }    /**     * The line number of the template error     *     * @type int|null     */    public $line = null;    /**     * The template source snippet relating to the error     *     * @type string|null     */    public $source = null;    /**     * The raw text of the error message     *     * @type string|null     */    public $desc = null;    /**     * The resource identifier or template name     *     * @type string|null     */    public $template = null;}/** * Autoloader */function smartyAutoload($class){    $_class = strtolower($class);    static $_classes = array(        'smarty_config_source'               => true,        'smarty_config_compiled'             => true,        'smarty_security'                    => true,        'smarty_cacheresource'               => true,        'smarty_cacheresource_custom'        => true,        'smarty_cacheresource_keyvaluestore' => true,        'smarty_resource'                    => true,        'smarty_resource_custom'             => true,        'smarty_resource_uncompiled'         => true,        'smarty_resource_recompiled'         => true,    );    if (!strncmp($_class, 'smarty_internal_', 16) || isset($_classes[$_class])) {        include SMARTY_SYSPLUGINS_DIR . $_class . '.php';    }}

转载于:https://www.cnblogs.com/shaohuixia/p/5427189.html

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