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 '';
}
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