810 lines
27 KiB
PHP
810 lines
27 KiB
PHP
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<?php
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/**
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* Project: Smarty: the PHP compiling template engine
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* File: Smarty.class.php
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* SVN: $Id: Smarty.class.php 3845 2010-12-05 17:21:02Z uwe.tews@googlemail.com $
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* For questions, help, comments, discussion, etc., please join the
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* Smarty mailing list. Send a blank e-mail to
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* smarty-discussion-subscribe@googlegroups.com
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*
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* @link http://www.smarty.net/
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* @copyright 2008 New Digital Group, Inc.
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* @author Monte Ohrt <monte at ohrt dot com>
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* @author Uwe Tews
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* @package Smarty
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* @version 3.0.6
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*/
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/**
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* define shorthand directory separator constant
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*/
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if (!defined('DS')) {
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define('DS', DIRECTORY_SEPARATOR);
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}
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/**
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* set SMARTY_DIR to absolute path to Smarty library files.
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* Sets SMARTY_DIR only if user application has not already defined it.
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*/
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if (!defined('SMARTY_DIR')) {
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define('SMARTY_DIR', dirname(__FILE__) . DS);
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}
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/**
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* set SMARTY_SYSPLUGINS_DIR to absolute path to Smarty internal plugins.
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* Sets SMARTY_SYSPLUGINS_DIR only if user application has not already defined it.
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*/
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if (!defined('SMARTY_SYSPLUGINS_DIR')) {
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define('SMARTY_SYSPLUGINS_DIR', SMARTY_DIR . 'sysplugins' . DS);
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}
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if (!defined('SMARTY_PLUGINS_DIR')) {
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define('SMARTY_PLUGINS_DIR', SMARTY_DIR . 'plugins' . DS);
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}
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if (!defined('SMARTY_RESOURCE_CHAR_SET')) {
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define('SMARTY_RESOURCE_CHAR_SET', 'UTF-8');
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}
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if (!defined('SMARTY_RESOURCE_DATE_FORMAT')) {
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define('SMARTY_RESOURCE_DATE_FORMAT', '%b %e, %Y');
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}
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/**
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* register the class autoloader
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*/
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if (!defined('SMARTY_SPL_AUTOLOAD')) {
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define('SMARTY_SPL_AUTOLOAD', 0);
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}
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if (SMARTY_SPL_AUTOLOAD && set_include_path(get_include_path() . PATH_SEPARATOR . SMARTY_SYSPLUGINS_DIR) !== false) {
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$registeredAutoLoadFunctions = spl_autoload_functions();
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if (!isset($registeredAutoLoadFunctions['spl_autoload'])) {
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spl_autoload_register();
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}
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} else {
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spl_autoload_register('smartyAutoload');
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}
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/**
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* This is the main Smarty class
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*/
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class Smarty extends Smarty_Internal_Data {
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/**
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* constant definitions
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*/
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// smarty version
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const SMARTY_VERSION = 'Smarty-3.0.6';
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//define variable scopes
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const SCOPE_LOCAL = 0;
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const SCOPE_PARENT = 1;
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const SCOPE_ROOT = 2;
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const SCOPE_GLOBAL = 3;
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// define caching modes
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const CACHING_OFF = 0;
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const CACHING_LIFETIME_CURRENT = 1;
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const CACHING_LIFETIME_SAVED = 2;
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/** modes for handling of "<?php ... ?>" tags in templates. **/
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const PHP_PASSTHRU = 0; //-> print tags as plain text
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const PHP_QUOTE = 1; //-> escape tags as entities
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const PHP_REMOVE = 2; //-> escape tags as entities
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const PHP_ALLOW = 3; //-> escape tags as entities
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// filter types
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const FILTER_POST = 'post';
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const FILTER_PRE = 'pre';
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const FILTER_OUTPUT = 'output';
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const FILTER_VARIABLE = 'variable';
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// plugin types
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const PLUGIN_FUNCTION = 'function';
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const PLUGIN_BLOCK = 'block';
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const PLUGIN_COMPILER = 'compiler';
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const PLUGIN_MODIFIER = 'modifier';
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/**
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* static variables
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*/
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// assigned global tpl vars
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static $global_tpl_vars = array();
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/**
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* variables
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*/
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// auto literal on delimiters with whitspace
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public $auto_literal = true;
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// display error on not assigned variables
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public $error_unassigned = false;
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// template directory
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public $template_dir = null;
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// default template handler
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public $default_template_handler_func = null;
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// compile directory
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public $compile_dir = null;
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// plugins directory
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public $plugins_dir = null;
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// cache directory
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public $cache_dir = null;
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// config directory
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public $config_dir = null;
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// force template compiling?
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public $force_compile = false;
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// check template for modifications?
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public $compile_check = true;
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// locking concurrent compiles
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public $compile_locking = true;
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// use sub dirs for compiled/cached files?
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public $use_sub_dirs = false;
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// compile_error?
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public $compile_error = false;
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// caching enabled
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public $caching = false;
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// merge compiled includes
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public $merge_compiled_includes = false;
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// cache lifetime
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public $cache_lifetime = 3600;
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// force cache file creation
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public $force_cache = false;
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// cache_id
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public $cache_id = null;
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// compile_id
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public $compile_id = null;
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// template delimiters
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public $left_delimiter = "{";
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public $right_delimiter = "}";
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// security
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public $security_class = 'Smarty_Security';
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public $security_policy = null;
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public $php_handling = self::PHP_PASSTHRU;
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public $allow_php_tag = false;
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public $allow_php_templates = false;
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public $direct_access_security = true;
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public $trusted_dir = array();
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// debug mode
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public $debugging = false;
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public $debugging_ctrl = 'NONE';
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public $smarty_debug_id = 'SMARTY_DEBUG';
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public $debug_tpl = null;
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// When set, smarty does uses this value as error_reporting-level.
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public $error_reporting = null;
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// config var settings
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public $config_overwrite = true; //Controls whether variables with the same name overwrite each other.
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public $config_booleanize = true; //Controls whether config values of on/true/yes and off/false/no get converted to boolean
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public $config_read_hidden = true; //Controls whether hidden config sections/vars are read from the file.
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// config vars
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public $config_vars = array();
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// assigned tpl vars
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public $tpl_vars = array();
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// dummy parent object
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public $parent = null;
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// global template functions
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public $template_functions = array();
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// resource type used if none given
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public $default_resource_type = 'file';
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// caching type
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public $caching_type = 'file';
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// internal cache resource types
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public $cache_resource_types = array('file');
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// internal config properties
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public $properties = array();
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// config type
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public $default_config_type = 'file';
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// cached template objects
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public $template_objects = null;
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// check If-Modified-Since headers
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public $cache_modified_check = false;
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// registered plugins
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public $registered_plugins = array();
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// plugin search order
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public $plugin_search_order = array('function', 'block', 'compiler', 'class');
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// registered objects
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public $registered_objects = array();
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// registered classes
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public $registered_classes = array();
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// registered filters
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public $registered_filters = array();
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// registered resources
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public $registered_resources = array();
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// autoload filter
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public $autoload_filters = array();
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// status of filter on variable output
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public $variable_filter = true;
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// default modifier
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public $default_modifiers = array();
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// global internal smarty vars
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static $_smarty_vars = array();
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// start time for execution time calculation
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public $start_time = 0;
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// default file permissions
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public $_file_perms = 0644;
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// default dir permissions
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public $_dir_perms = 0771;
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// block tag hierarchy
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public $_tag_stack = array();
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// flag if {block} tag is compiled for template inheritance
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public $inheritance = false;
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// generate deprecated function call notices?
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public $deprecation_notices = true;
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// Smarty 2 BC
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public $_version = self::SMARTY_VERSION;
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// self pointer to Smarty object
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public $smarty;
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/**
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* Class constructor, initializes basic smarty properties
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*/
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public function __construct()
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{
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// selfpointer need by some other class methods
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$this->smarty = $this;
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if (is_callable('mb_internal_encoding')) {
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mb_internal_encoding(SMARTY_RESOURCE_CHAR_SET);
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}
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$this->start_time = microtime(true);
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// set default dirs
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$this->template_dir = array('.' . DS . 'templates' . DS);
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$this->compile_dir = '.' . DS . 'templates_c' . DS;
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$this->plugins_dir = array(SMARTY_PLUGINS_DIR);
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$this->cache_dir = '.' . DS . 'cache' . DS;
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$this->config_dir = '.' . DS . 'configs' . DS;
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$this->debug_tpl = SMARTY_DIR . 'debug.tpl';
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if (!$this->debugging && $this->debugging_ctrl == 'URL') {
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if (isset($_SERVER['QUERY_STRING'])) {
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$_query_string = $_SERVER['QUERY_STRING'];
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} else {
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$_query_string = '';
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}
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if (false !== strpos($_query_string, $this->smarty_debug_id)) {
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if (false !== strpos($_query_string, $this->smarty_debug_id . '=on')) {
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// enable debugging for this browser session
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setcookie('SMARTY_DEBUG', true);
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$this->debugging = true;
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} elseif (false !== strpos($_query_string, $this->smarty_debug_id . '=off')) {
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// disable debugging for this browser session
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setcookie('SMARTY_DEBUG', false);
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$this->debugging = false;
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} else {
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// enable debugging for this page
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$this->debugging = true;
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}
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} else {
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if (isset($_COOKIE['SMARTY_DEBUG'])) {
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$this->debugging = true;
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}
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}
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}
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if (isset($_SERVER['SCRIPT_NAME'])) {
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$this->assignGlobal('SCRIPT_NAME', $_SERVER['SCRIPT_NAME']);
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}
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}
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/**
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* Class destructor
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*/
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public function __destruct()
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{
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}
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/**
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* fetches a rendered Smarty template
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*
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* @param string $template the resource handle of the template file or template object
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* @param mixed $cache_id cache id to be used with this template
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* @param mixed $compile_id compile id to be used with this template
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* @param object $ |null $parent next higher level of Smarty variables
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* @return string rendered template output
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*/
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public function fetch($template, $cache_id = null, $compile_id = null, $parent = null, $display = false)
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{
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if (!empty($cache_id) && is_object($cache_id)) {
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$parent = $cache_id;
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$cache_id = null;
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}
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if ($parent === null) {
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// get default Smarty data object
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$parent = $this;
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}
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// create template object if necessary
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($template instanceof $this->template_class)? $_template = $template :
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$_template = $this->createTemplate ($template, $cache_id, $compile_id, $parent);
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if (isset($this->error_reporting)) {
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$_smarty_old_error_level = error_reporting($this->error_reporting);
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}
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// obtain data for cache modified check
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if ($this->cache_modified_check && $this->caching && $display) {
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$_isCached = $_template->isCached() && !$_template->has_nocache_code;
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if ($_isCached) {
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$_gmt_mtime = gmdate('D, d M Y H:i:s', $_template->getCachedTimestamp()) . ' GMT';
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} else {
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$_gmt_mtime = '';
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}
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}
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// return redered template
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if ((!$this->caching || $_template->resource_object->isEvaluated) && (isset($this->autoload_filters['output']) || isset($this->registered_filters['output']))) {
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$_output = Smarty_Internal_Filter_Handler::runFilter('output', $_template->getRenderedTemplate(), $_template);
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} else {
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$_output = $_template->getRenderedTemplate();
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}
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$_template->rendered_content = null;
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if (isset($this->error_reporting)) {
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error_reporting($_smarty_old_error_level);
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}
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// display or fetch
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if ($display) {
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if ($this->caching && $this->cache_modified_check) {
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$_last_modified_date = @substr($_SERVER['HTTP_IF_MODIFIED_SINCE'], 0, strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3);
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if ($_isCached && $_gmt_mtime == $_last_modified_date) {
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if (php_sapi_name() == 'cgi')
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header('Status: 304 Not Modified');
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else
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header('HTTP/1.1 304 Not Modified');
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} else {
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header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $_template->getCachedTimestamp()) . ' GMT');
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echo $_output;
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}
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} else {
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echo $_output;
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}
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// debug output
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if ($this->debugging) {
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|
|
Smarty_Internal_Debug::display_debug($this);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
} else {
|
||
|
|
// return fetched content
|
||
|
|
return $_output;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* displays a Smarty template
|
||
|
|
*
|
||
|
|
* @param string $ |object $template the resource handle of the template file or template object
|
||
|
|
* @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 $parent next higher level of Smarty variables
|
||
|
|
*/
|
||
|
|
public function display($template, $cache_id = null, $compile_id = null, $parent = null)
|
||
|
|
{
|
||
|
|
// display template
|
||
|
|
$this->fetch ($template, $cache_id, $compile_id, $parent, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* test if cache i valid
|
||
|
|
*
|
||
|
|
* @param string $ |object $template the resource handle of the template file or template object
|
||
|
|
* @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 $parent next higher level of Smarty variables
|
||
|
|
* @return boolean cache status
|
||
|
|
*/
|
||
|
|
public function isCached($template, $cache_id = null, $compile_id = null, $parent = null)
|
||
|
|
{
|
||
|
|
if ($parent === null) {
|
||
|
|
$parent = $this;
|
||
|
|
}
|
||
|
|
if (!($template instanceof $this->template_class)) {
|
||
|
|
$template = $this->createTemplate ($template, $cache_id, $compile_id, $parent);
|
||
|
|
}
|
||
|
|
// return cache status of template
|
||
|
|
return $template->isCached();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* creates a data object
|
||
|
|
*
|
||
|
|
* @param object $parent next higher level of Smarty variables
|
||
|
|
* @returns object data object
|
||
|
|
*/
|
||
|
|
public function createData($parent = null)
|
||
|
|
{
|
||
|
|
return new Smarty_Data($parent, $this);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* creates a template object
|
||
|
|
*
|
||
|
|
* @param string $template the resource handle of the template file
|
||
|
|
* @param object $parent next higher level of Smarty variables
|
||
|
|
* @param mixed $cache_id cache id to be used with this template
|
||
|
|
* @param mixed $compile_id compile id to be used with this template
|
||
|
|
* @returns object template object
|
||
|
|
*/
|
||
|
|
public function createTemplate($template, $cache_id = null, $compile_id = null, $parent = null)
|
||
|
|
{
|
||
|
|
if (!empty($cache_id) && (is_object($cache_id) || is_array($cache_id))) {
|
||
|
|
$parent = $cache_id;
|
||
|
|
$cache_id = null;
|
||
|
|
}
|
||
|
|
if (!empty($parent) && is_array($parent)) {
|
||
|
|
$data = $parent;
|
||
|
|
$parent = null;
|
||
|
|
} else {
|
||
|
|
$data = null;
|
||
|
|
}
|
||
|
|
if (!is_object($template)) {
|
||
|
|
// we got a template resource
|
||
|
|
// already in template cache?
|
||
|
|
$_templateId = sha1($template . $cache_id . $compile_id);
|
||
|
|
if (isset($this->template_objects[$_templateId]) && $this->caching) {
|
||
|
|
// return cached template object
|
||
|
|
$tpl = $this->template_objects[$_templateId];
|
||
|
|
} else {
|
||
|
|
// create new template object
|
||
|
|
$tpl = new $this->template_class($template, clone $this, $parent, $cache_id, $compile_id);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
// just return a copy of template class
|
||
|
|
$tpl = $template;
|
||
|
|
}
|
||
|
|
// fill data if present
|
||
|
|
if (!empty($data) && is_array($data)) {
|
||
|
|
// set up variable values
|
||
|
|
foreach ($data as $_key => $_val) {
|
||
|
|
$tpl->tpl_vars[$_key] = new Smarty_variable($_val);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $tpl;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if a template resource exists
|
||
|
|
*
|
||
|
|
* @param string $resource_name template name
|
||
|
|
* @return boolean status
|
||
|
|
*/
|
||
|
|
function templateExists($resource_name)
|
||
|
|
{
|
||
|
|
// create template object
|
||
|
|
$save = $this->template_objects;
|
||
|
|
$tpl = new $this->template_class($resource_name, $this);
|
||
|
|
// check if it does exists
|
||
|
|
$result = $tpl->isExisting();
|
||
|
|
$this->template_objects = $save;
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a single or all global variables
|
||
|
|
*
|
||
|
|
* @param object $smarty
|
||
|
|
* @param string $varname variable name or null
|
||
|
|
* @return string variable value or or array of variables
|
||
|
|
*/
|
||
|
|
function getGlobal($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 $type resource type
|
||
|
|
* @return integer number of cache files deleted
|
||
|
|
*/
|
||
|
|
function clearAllCache($exp_time = null, $type = null)
|
||
|
|
{
|
||
|
|
// load cache resource and call clearAll
|
||
|
|
return $this->loadCacheResource($type)->clearAll($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 $type resource type
|
||
|
|
* @return integer number of cache files deleted
|
||
|
|
*/
|
||
|
|
function clearCache($template_name, $cache_id = null, $compile_id = null, $exp_time = null, $type = null)
|
||
|
|
{
|
||
|
|
// load cache resource and call clear
|
||
|
|
return $this->loadCacheResource($type)->clear($template_name, $cache_id, $compile_id, $exp_time);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Loads security class and enables security
|
||
|
|
*/
|
||
|
|
public function enableSecurity($security_class = null)
|
||
|
|
{
|
||
|
|
if ($security_class instanceof Smarty_Security) {
|
||
|
|
$this->security_policy = $security_class;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if ($security_class == null) {
|
||
|
|
$security_class = $this->security_class;
|
||
|
|
}
|
||
|
|
if (class_exists($security_class)) {
|
||
|
|
$this->security_policy = new $security_class($this);
|
||
|
|
} else {
|
||
|
|
throw new SmartyException("Security class '$security_class' is not defined");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Disable security
|
||
|
|
*/
|
||
|
|
public function disableSecurity()
|
||
|
|
{
|
||
|
|
$this->security_policy = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Loads cache resource.
|
||
|
|
*
|
||
|
|
* @param string $type cache resource type
|
||
|
|
* @return object of cache resource
|
||
|
|
*/
|
||
|
|
public function loadCacheResource($type = null) {
|
||
|
|
if (!isset($type)) {
|
||
|
|
$type = $this->caching_type;
|
||
|
|
}
|
||
|
|
if (in_array($type, $this->cache_resource_types)) {
|
||
|
|
$cache_resource_class = 'Smarty_Internal_CacheResource_' . ucfirst($type);
|
||
|
|
return new $cache_resource_class($this);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// try plugins dir
|
||
|
|
$cache_resource_class = 'Smarty_CacheResource_' . ucfirst($type);
|
||
|
|
if ($this->loadPlugin($cache_resource_class)) {
|
||
|
|
return new $cache_resource_class($this);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
throw new SmartyException("Unable to load cache resource '{$type}'");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set template directory
|
||
|
|
*
|
||
|
|
* @param string $ |array $template_dir folder(s) of template sorces
|
||
|
|
*/
|
||
|
|
public function setTemplateDir($template_dir)
|
||
|
|
{
|
||
|
|
$this->template_dir = (array)$template_dir;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds template directory(s) to existing ones
|
||
|
|
*
|
||
|
|
* @param string $ |array $template_dir folder(s) of template sources
|
||
|
|
*/
|
||
|
|
public function addTemplateDir($template_dir)
|
||
|
|
{
|
||
|
|
$this->template_dir = array_unique(array_merge((array)$this->template_dir, (array)$template_dir));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds directory of plugin files
|
||
|
|
*
|
||
|
|
* @param object $smarty
|
||
|
|
* @param string $ |array $ plugins folder
|
||
|
|
* @return
|
||
|
|
*/
|
||
|
|
function addPluginsDir($plugins_dir)
|
||
|
|
{
|
||
|
|
$this->plugins_dir = array_unique(array_merge((array)$this->plugins_dir, (array)$plugins_dir));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* return a reference to a registered object
|
||
|
|
*
|
||
|
|
* @param string $name object name
|
||
|
|
* @return object
|
||
|
|
*/
|
||
|
|
function getRegisteredObject($name)
|
||
|
|
{
|
||
|
|
if (!isset($this->registered_objects[$name]))
|
||
|
|
throw new SmartyException("'$name' is not a registered object");
|
||
|
|
|
||
|
|
if (!is_object($this->registered_objects[$name][0]))
|
||
|
|
throw new SmartyException("registered '$name' is not an object");
|
||
|
|
|
||
|
|
return $this->registered_objects[$name][0];
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* return name of debugging template
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function getDebugTemplate()
|
||
|
|
{
|
||
|
|
return $this->debug_tpl;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* set the debug template
|
||
|
|
*
|
||
|
|
* @param string $tpl_name
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function setDebugTemplate($tpl_name)
|
||
|
|
{
|
||
|
|
return $this->debug_tpl = $tpl_name;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Takes unknown classes and loads plugin files for them
|
||
|
|
* class name format: Smarty_PluginType_PluginName
|
||
|
|
* plugin filename format: plugintype.pluginname.php
|
||
|
|
*
|
||
|
|
* @param string $plugin_name class plugin name to load
|
||
|
|
* @return string |boolean filepath of loaded file or false
|
||
|
|
*/
|
||
|
|
public function loadPlugin($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]
|
||
|
|
$_plugin_name = strtolower($plugin_name);
|
||
|
|
$_name_parts = explode('_', $_plugin_name, 3);
|
||
|
|
// class name must have three parts to be valid plugin
|
||
|
|
if (count($_name_parts) < 3 || $_name_parts[0] !== 'smarty') {
|
||
|
|
throw new SmartyException("plugin {$plugin_name} is not a valid name format");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
// if type is "internal", get plugin from sysplugins
|
||
|
|
if ($_name_parts[1] == 'internal') {
|
||
|
|
$file = SMARTY_SYSPLUGINS_DIR . $_plugin_name . '.php';
|
||
|
|
if (file_exists($file)) {
|
||
|
|
require_once($file);
|
||
|
|
return $file;
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// plugin filename is expected to be: [type].[name].php
|
||
|
|
$_plugin_filename = "{$_name_parts[1]}.{$_name_parts[2]}.php";
|
||
|
|
// loop through plugin dirs and find the plugin
|
||
|
|
foreach((array)$this->plugins_dir as $_plugin_dir) {
|
||
|
|
if (strpos('/\\', substr($_plugin_dir, -1)) === false) {
|
||
|
|
$_plugin_dir .= DS;
|
||
|
|
}
|
||
|
|
$file = $_plugin_dir . $_plugin_filename;
|
||
|
|
if (file_exists($file)) {
|
||
|
|
require_once($file);
|
||
|
|
return $file;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// no plugin loaded
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* clean up properties on cloned object
|
||
|
|
*/
|
||
|
|
public function __clone()
|
||
|
|
{
|
||
|
|
// clear config vars
|
||
|
|
$this->config_vars = array();
|
||
|
|
// clear assigned tpl vars
|
||
|
|
$this->tpl_vars = array();
|
||
|
|
// clear objects for external methods
|
||
|
|
unset($this->register);
|
||
|
|
unset($this->filter);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle unknown class methods
|
||
|
|
*
|
||
|
|
* @param string $name unknown methode name
|
||
|
|
* @param array $args aurgument array
|
||
|
|
*/
|
||
|
|
public function __call($name, $args)
|
||
|
|
{
|
||
|
|
static $camel_func;
|
||
|
|
if (!isset($camel_func))
|
||
|
|
$camel_func = create_function('$c', 'return "_" . strtolower($c[1]);');
|
||
|
|
// see if this is a set/get for a property
|
||
|
|
$first3 = strtolower(substr($name, 0, 3));
|
||
|
|
if (in_array($first3, array('set', 'get')) && substr($name, 3, 1) !== '_') {
|
||
|
|
// try to keep case correct for future PHP 6.0 case-sensitive class methods
|
||
|
|
// lcfirst() not available < PHP 5.3.0, so improvise
|
||
|
|
$property_name = strtolower(substr($name, 3, 1)) . substr($name, 4);
|
||
|
|
// convert camel case to underscored name
|
||
|
|
$property_name = preg_replace_callback('/([A-Z])/', $camel_func, $property_name);
|
||
|
|
if (!property_exists($this, $property_name)) {
|
||
|
|
throw new SmartyException("property '$property_name' does not exist.");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if ($first3 == 'get')
|
||
|
|
return $this->$property_name;
|
||
|
|
else
|
||
|
|
return $this->$property_name = $args[0];
|
||
|
|
}
|
||
|
|
// Smarty Backward Compatible wrapper
|
||
|
|
if (strpos($name,'_') !== false) {
|
||
|
|
if (!isset($this->wrapper)) {
|
||
|
|
$this->wrapper = new Smarty_Internal_Wrapper($this);
|
||
|
|
}
|
||
|
|
return $this->wrapper->convert($name, $args);
|
||
|
|
}
|
||
|
|
// external Smarty methods ?
|
||
|
|
foreach(array('filter','register') as $external) {
|
||
|
|
if (method_exists("Smarty_Internal_{$external}",$name)) {
|
||
|
|
if (!isset($this->$external)) {
|
||
|
|
$class = "Smarty_Internal_{$external}";
|
||
|
|
$this->$external = new $class($this);
|
||
|
|
}
|
||
|
|
return call_user_func_array(array($this->$external,$name), $args);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (in_array($name,array('clearCompiledTemplate','compileAllTemplates','compileAllConfig','testInstall','getTags'))) {
|
||
|
|
if (!isset($this->utility)) {
|
||
|
|
$this->utility = new Smarty_Internal_Utility($this);
|
||
|
|
}
|
||
|
|
return call_user_func_array(array($this->utility,$name), $args);
|
||
|
|
}
|
||
|
|
// PHP4 call to constructor?
|
||
|
|
if (strtolower($name) == 'smarty') {
|
||
|
|
throw new SmartyException('Please use parent::__construct() to call parent constuctor');
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
throw new SmartyException("Call of unknown function '$name'.");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Autoloader
|
||
|
|
*/
|
||
|
|
function smartyAutoload($class)
|
||
|
|
{
|
||
|
|
$_class = strtolower($class);
|
||
|
|
if (substr($_class, 0, 16) === 'smarty_internal_' || $_class == 'smarty_security') {
|
||
|
|
include SMARTY_SYSPLUGINS_DIR . $_class . '.php';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Smarty exception class
|
||
|
|
*/
|
||
|
|
Class SmartyException extends Exception {
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Smarty compiler exception class
|
||
|
|
*/
|
||
|
|
Class SmartyCompilerException extends SmartyException {
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|