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2809 rexy 1
<?php
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/**
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 * Smarty Extension handler
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 *
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 * Load extensions dynamically
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 *
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 * @package    Smarty
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 * @subpackage PluginsInternal
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 * @author     Uwe Tews
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 *
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 * Runtime extensions
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 * @property   Smarty_Internal_Runtime_CacheModify       $_cacheModify
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 * @property   Smarty_Internal_Runtime_CacheResourceFile $_cacheResourceFile
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 * @property   Smarty_Internal_Runtime_Capture           $_capture
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 * @property   Smarty_Internal_Runtime_CodeFrame         $_codeFrame
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 * @property   Smarty_Internal_Runtime_FilterHandler     $_filterHandler
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 * @property   Smarty_Internal_Runtime_Foreach           $_foreach
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 * @property   Smarty_Internal_Runtime_GetIncludePath    $_getIncludePath
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 * @property   Smarty_Internal_Runtime_Make_Nocache      $_make_nocache
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 * @property   Smarty_Internal_Runtime_UpdateCache       $_updateCache
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 * @property   Smarty_Internal_Runtime_UpdateScope       $_updateScope
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 * @property   Smarty_Internal_Runtime_TplFunction       $_tplFunction
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 * @property   Smarty_Internal_Runtime_WriteFile         $_writeFile
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 *
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 * Method extensions
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 * @property   Smarty_Internal_Method_GetTemplateVars    $getTemplateVars
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 * @property   Smarty_Internal_Method_Append             $append
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 * @property   Smarty_Internal_Method_AppendByRef        $appendByRef
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 * @property   Smarty_Internal_Method_AssignGlobal       $assignGlobal
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 * @property   Smarty_Internal_Method_AssignByRef        $assignByRef
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 * @property   Smarty_Internal_Method_LoadFilter         $loadFilter
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 * @property   Smarty_Internal_Method_LoadPlugin         $loadPlugin
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 * @property   Smarty_Internal_Method_RegisterFilter     $registerFilter
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 * @property   Smarty_Internal_Method_RegisterObject     $registerObject
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 * @property   Smarty_Internal_Method_RegisterPlugin     $registerPlugin
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 * @property   mixed|\Smarty_Template_Cached             configLoad
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 */
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class Smarty_Internal_Extension_Handler
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{
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    public $objType = null;
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    /**
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     * Cache for property information from generic getter/setter
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     * Preloaded with names which should not use with generic getter/setter
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     *
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     * @var array
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     */
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    private $_property_info     = array(
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        'AutoloadFilters' => 0, 'DefaultModifiers' => 0, 'ConfigVars' => 0,
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        'DebugTemplate'   => 0, 'RegisteredObject' => 0, 'StreamVariable' => 0,
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        'TemplateVars'    => 0, 'Literals' => 'Literals',
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    );//
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    private $resolvedProperties = array();
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    /**
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     * Call external Method
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     *
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     * @param \Smarty_Internal_Data $data
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     * @param string                $name external method names
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     * @param array                 $args argument array
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     *
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     * @return mixed
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     */
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    public function _callExternalMethod(Smarty_Internal_Data $data, $name, $args)
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    {
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        /* @var Smarty $data ->smarty */
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        $smarty = isset($data->smarty) ? $data->smarty : $data;
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        if (!isset($smarty->ext->$name)) {
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            if (preg_match('/^((set|get)|(.*?))([A-Z].*)$/', $name, $match)) {
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                $basename = $this->upperCase($match[ 4 ]);
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                if (!isset($smarty->ext->$basename) && isset($this->_property_info[ $basename ])
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                    && is_string($this->_property_info[ $basename ])
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                ) {
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                    $class = 'Smarty_Internal_Method_' . $this->_property_info[ $basename ];
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                    if (class_exists($class)) {
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                        $classObj = new $class();
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                        $methodes = get_class_methods($classObj);
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                        foreach ($methodes as $method) {
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                            $smarty->ext->$method = $classObj;
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                        }
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                    }
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                }
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                if (!empty($match[ 2 ]) && !isset($smarty->ext->$name)) {
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                    $class = 'Smarty_Internal_Method_' . $this->upperCase($name);
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                    if (!class_exists($class)) {
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                        $objType = $data->_objType;
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                        $propertyType = false;
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                        if (!isset($this->resolvedProperties[ $match[ 0 ] ][ $objType ])) {
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                            $property = isset($this->resolvedProperties[ 'property' ][ $basename ]) ?
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                                $this->resolvedProperties[ 'property' ][ $basename ] :
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                                $property = $this->resolvedProperties[ 'property' ][ $basename ] = strtolower(
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                                    join(
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                                        '_',
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                                        preg_split(
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                                            '/([A-Z][^A-Z]*)/',
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                                            $basename,
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                                            -1,
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                                            PREG_SPLIT_NO_EMPTY |
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                                            PREG_SPLIT_DELIM_CAPTURE
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                                        )
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                                    )
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                                );
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                            if ($property !== false) {
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                                if (property_exists($data, $property)) {
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                                    $propertyType = $this->resolvedProperties[ $match[ 0 ] ][ $objType ] = 1;
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                                } elseif (property_exists($smarty, $property)) {
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                                    $propertyType = $this->resolvedProperties[ $match[ 0 ] ][ $objType ] = 2;
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                                } else {
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                                    $this->resolvedProperties[ 'property' ][ $basename ] = $property = false;
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                                }
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                            }
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                        } else {
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                            $propertyType = $this->resolvedProperties[ $match[ 0 ] ][ $objType ];
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                            $property = $this->resolvedProperties[ 'property' ][ $basename ];
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                        }
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                        if ($propertyType) {
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                            $obj = $propertyType === 1 ? $data : $smarty;
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                            if ($match[ 2 ] === 'get') {
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                                return $obj->$property;
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                            } elseif ($match[ 2 ] === 'set') {
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                                return $obj->$property = $args[ 0 ];
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                            }
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                        }
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                    }
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                }
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            }
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        }
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        $callback = array($smarty->ext->$name, $name);
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        array_unshift($args, $data);
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        if (isset($callback) && $callback[ 0 ]->objMap | $data->_objType) {
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            return call_user_func_array($callback, $args);
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        }
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        return call_user_func_array(array(new Smarty_Internal_Undefined(), $name), $args);
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    }
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    /**
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     * Make first character of name parts upper case
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     *
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     * @param string $name
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     *
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     * @return string
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     */
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    public function upperCase($name)
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    {
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        $_name = explode('_', $name);
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        $_name = array_map('ucfirst', $_name);
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        return implode('_', $_name);
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    }
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    /**
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     * get extension object
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     *
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     * @param string $property_name property name
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     *
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     * @return mixed|Smarty_Template_Cached
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     */
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    public function __get($property_name)
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    {
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        // object properties of runtime template extensions will start with '_'
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        if ($property_name[ 0 ] === '_') {
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            $class = 'Smarty_Internal_Runtime' . $this->upperCase($property_name);
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        } else {
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            $class = 'Smarty_Internal_Method_' . $this->upperCase($property_name);
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        }
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        if (!class_exists($class)) {
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            return $this->$property_name = new Smarty_Internal_Undefined($class);
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        }
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        return $this->$property_name = new $class();
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    }
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    /**
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     * set extension property
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     *
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     * @param string $property_name property name
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     * @param mixed  $value         value
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     *
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     */
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    public function __set($property_name, $value)
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    {
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        $this->$property_name = $value;
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    }
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    /**
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     * Call error handler for undefined method
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     *
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     * @param string $name unknown method-name
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     * @param array  $args argument array
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     *
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     * @return mixed
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     */
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    public function __call($name, $args)
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    {
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        return call_user_func_array(array(new Smarty_Internal_Undefined(), $name), array($this));
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    }
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}