php封装的smartyBC类完整实例

本文实例讲述了php封装的smartyBC类。分享给大家供大家参考，具体如下：

<?php/** * Project:   Smarty: the PHP compiling template engine * File:    SmartyBC.class.php * SVN:     $Id: $ * 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 *//** * @ignore */require_once(dirname(__FILE__) . '/Smarty.class.php');/** * Smarty Backward Compatability Wrapper Class * * @package Smarty */class SmartyBC extends Smarty{  /**   * Smarty 2 BC   *   * @var string   */  public $_version = self::SMARTY_VERSION;  /**   * Initialize new SmartyBC object   *   * @param array $options options to set during initialization, e.g. array( 'forceCompile' => false )   */  public function __construct(array $options = array())  {    parent::__construct($options);    // register {php} tag    $this->registerPlugin('block', 'php', 'smarty_php_tag');  }  /**   * wrapper for assign_by_ref   *   * @param string $tpl_var the template variable name   * @param mixed &$value the referenced value to assign   */  public function assign_by_ref($tpl_var, &$value)  {    $this->assignByRef($tpl_var, $value);  }  /**   * wrapper for append_by_ref   *   * @param string $tpl_var the template variable name   * @param mixed  &$value the referenced value to append   * @param boolean $merge  flag if array elements shall be merged   */  public function append_by_ref($tpl_var, &$value, $merge = false)  {    $this->appendByRef($tpl_var, $value, $merge);  }  /**   * clear the given assigned template variable.   *   * @param string $tpl_var the template variable to clear   */  public function clear_assign($tpl_var)  {    $this->clearAssign($tpl_var);  }  /**   * Registers custom function to be used in templates   *   * @param string $function   the name of the template function   * @param string $function_impl the name of the PHP function to register   * @param bool  $cacheable   * @param mixed $cache_attrs   */  public function register_function($function, $function_impl, $cacheable = true, $cache_attrs = null)  {    $this->registerPlugin('function', $function, $function_impl, $cacheable, $cache_attrs);  }  /**   * Unregisters custom function   *   * @param string $function name of template function   */  public function unregister_function($function)  {    $this->unregisterPlugin('function', $function);  }  /**   * Registers object to be used in templates   *   * @param string $object   name of template object   * @param object $object_impl the referenced PHP object to register   * @param array  $allowed   list of allowed methods (empty = all)   * @param boolean $smarty_args smarty argument format, else traditional   * @param array  $block_methods list of methods that are block format   *   * @throws SmartyException   * @internal param array $block_functs list of methods that are block format   */  public function register_object($object, $object_impl, $allowed = array(), $smarty_args = true, $block_methods = array())  {    settype($allowed, 'array');    settype($smarty_args, 'boolean');    $this->registerObject($object, $object_impl, $allowed, $smarty_args, $block_methods);  }  /**   * Unregisters object   *   * @param string $object name of template object   */  public function unregister_object($object)  {    $this->unregisterObject($object);  }  /**   * Registers block function to be used in templates   *   * @param string $block   name of template block   * @param string $block_impl PHP function to register   * @param bool  $cacheable   * @param mixed $cache_attrs   */  public function register_block($block, $block_impl, $cacheable = true, $cache_attrs = null)  {    $this->registerPlugin('block', $block, $block_impl, $cacheable, $cache_attrs);  }  /**   * Unregisters block function   *   * @param string $block name of template function   */  public function unregister_block($block)  {    $this->unregisterPlugin('block', $block);  }  /**   * Registers compiler function   *   * @param string $function   name of template function   * @param string $function_impl name of PHP function to register   * @param bool  $cacheable   */  public function register_compiler_function($function, $function_impl, $cacheable = true)  {    $this->registerPlugin('compiler', $function, $function_impl, $cacheable);  }  /**   * Unregisters compiler function   *   * @param string $function name of template function   */  public function unregister_compiler_function($function)  {    $this->unregisterPlugin('compiler', $function);  }  /**   * Registers modifier to be used in templates   *   * @param string $modifier   name of template modifier   * @param string $modifier_impl name of PHP function to register   */  public function register_modifier($modifier, $modifier_impl)  {    $this->registerPlugin('modifier', $modifier, $modifier_impl);  }  /**   * Unregisters modifier   *   * @param string $modifier name of template modifier   */  public function unregister_modifier($modifier)  {    $this->unregisterPlugin('modifier', $modifier);  }  /**   * Registers a resource to fetch a template   *   * @param string $type   name of resource   * @param array $functions array of functions to handle resource   */  public function register_resource($type, $functions)  {    $this->registerResource($type, $functions);  }  /**   * Unregisters a resource   *   * @param string $type name of resource   */  public function unregister_resource($type)  {    $this->unregisterResource($type);  }  /**   * Registers a prefilter function to apply   * to a template before compiling   *   * @param callable $function   */  public function register_prefilter($function)  {    $this->registerFilter('pre', $function);  }  /**   * Unregisters a prefilter function   *   * @param callable $function   */  public function unregister_prefilter($function)  {    $this->unregisterFilter('pre', $function);  }  /**   * Registers a postfilter function to apply   * to a compiled template after compilation   *   * @param callable $function   */  public function register_postfilter($function)  {    $this->registerFilter('post', $function);  }  /**   * Unregisters a postfilter function   *   * @param callable $function   */  public function unregister_postfilter($function)  {    $this->unregisterFilter('post', $function);  }  /**   * Registers an output filter function to apply   * to a template output   *   * @param callable $function   */  public function register_outputfilter($function)  {    $this->registerFilter('output', $function);  }  /**   * Unregisters an outputfilter function   *   * @param callable $function   */  public function unregister_outputfilter($function)  {    $this->unregisterFilter('output', $function);  }  /**   * load a filter of specified type and name   *   * @param string $type filter type   * @param string $name filter name   */  public function load_filter($type, $name)  {    $this->loadFilter($type, $name);  }  /**   * clear cached content for the given template and cache id   *   * @param string $tpl_file  name of template file   * @param string $cache_id  name of cache_id   * @param string $compile_id name of compile_id   * @param string $exp_time  expiration time   *   * @return boolean   */  public function clear_cache($tpl_file = null, $cache_id = null, $compile_id = null, $exp_time = null)  {    return $this->clearCache($tpl_file, $cache_id, $compile_id, $exp_time);  }  /**   * clear the entire contents of cache (all templates)   *   * @param string $exp_time expire time   *   * @return boolean   */  public function clear_all_cache($exp_time = null)  {    return $this->clearCache(null, null, null, $exp_time);  }  /**   * test to see if valid cache exists for this template   *   * @param string $tpl_file name of template file   * @param string $cache_id   * @param string $compile_id   *   * @return boolean   */  public function is_cached($tpl_file, $cache_id = null, $compile_id = null)  {    return $this->isCached($tpl_file, $cache_id, $compile_id);  }  /**   * clear all the assigned template variables.   */  public function clear_all_assign()  {    $this->clearAllAssign();  }  /**   * clears compiled version of specified template resource,   * or all compiled template files if one is not specified.   * This function is for advanced use only, not normally needed.   *   * @param string $tpl_file   * @param string $compile_id   * @param string $exp_time   *   * @return boolean results of {@link smarty_core_rm_auto()}   */  public function clear_compiled_tpl($tpl_file = null, $compile_id = null, $exp_time = null)  {    return $this->clearCompiledTemplate($tpl_file, $compile_id, $exp_time);  }  /**   * Checks whether requested template exists.   *   * @param string $tpl_file   *   * @return boolean   */  public function template_exists($tpl_file)  {    return $this->templateExists($tpl_file);  }  /**   * Returns an array containing template variables   *   * @param string $name   *   * @return array   */  public function get_template_vars($name = null)  {    return $this->getTemplateVars($name);  }  /**   * Returns an array containing config variables   *   * @param string $name   *   * @return array   */  public function get_config_vars($name = null)  {    return $this->getConfigVars($name);  }  /**   * load configuration values   *   * @param string $file   * @param string $section   * @param string $scope   */  public function config_load($file, $section = null, $scope = 'global')  {    $this->ConfigLoad($file, $section, $scope);  }  /**   * return a reference to a registered object   *   * @param string $name   *   * @return object   */  public function get_registered_object($name)  {    return $this->getRegisteredObject($name);  }  /**   * clear configuration values   *   * @param string $var   */  public function clear_config($var = null)  {    $this->clearConfig($var);  }  /**   * trigger Smarty error   *   * @param string $error_msg   * @param integer $error_type   */  public function trigger_error($error_msg, $error_type = E_USER_WARNING)  {    trigger_error("Smarty error: $error_msg", $error_type);  }}/** * Smarty {php}{/php} block function * * @param array  $params  parameter list * @param string $content contents of the block * @param object $template template object * @param boolean &$repeat repeat flag * * @return string content re-formatted */function smarty_php_tag($params, $content, $template, &$repeat){  eval($content);  return '';}