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Revision Autor Zeilennr. Zeile
148 lars 1
<?php
2
/**
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 * Smarty Internal Plugin Compile Function
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 * Compiles the {function} {/function} tags
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 *
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 * @package    Smarty
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 * @subpackage Compiler
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 * @author     Uwe Tews
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 */
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/**
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 * Smarty Internal Plugin Compile Function Class
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 *
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 * @package    Smarty
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 * @subpackage Compiler
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 */
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class Smarty_Internal_Compile_Function extends Smarty_Internal_CompileBase
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{
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    /**
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     * Attribute definition: Overwrites base class.
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     *
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     * @var array
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     * @see Smarty_Internal_CompileBase
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     */
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    public $required_attributes = array('name');
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    /**
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     * Attribute definition: Overwrites base class.
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     *
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     * @var array
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     * @see Smarty_Internal_CompileBase
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     */
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    public $shorttag_order = array('name');
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    /**
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     * Attribute definition: Overwrites base class.
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     *
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     * @var array
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     * @see Smarty_Internal_CompileBase
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     */
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    public $optional_attributes = array('_any');
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    /**
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     * Compiles code for the {function} tag
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     *
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     * @param array                                 $args     array with attributes from parser
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     * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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     *
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     * @return bool true
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     * @throws \SmartyCompilerException
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     */
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    public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
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    {
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        // check and get attributes
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        $_attr = $this->getAttributes($compiler, $args);
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        if ($_attr[ 'nocache' ] === true) {
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            $compiler->trigger_template_error('nocache option not allowed', null, true);
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        }
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        unset($_attr[ 'nocache' ]);
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        $_name = trim($_attr[ 'name' ], '\'"');
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        if (!preg_match('/^[a-zA-Z0-9_\x80-\xff]+$/', $_name)) {
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	        $compiler->trigger_template_error("Function name contains invalid characters: {$_name}", null, true);
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        }
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        $compiler->parent_compiler->tpl_function[ $_name ] = array();
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        $save = array(
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            $_attr, $compiler->parser->current_buffer, $compiler->template->compiled->has_nocache_code,
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            $compiler->template->caching
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        );
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        $this->openTag($compiler, 'function', $save);
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        // Init temporary context
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        $compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template();
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        $compiler->template->compiled->has_nocache_code = false;
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        $compiler->saveRequiredPlugins(true);
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        return true;
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    }
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}
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/**
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 * Smarty Internal Plugin Compile Functionclose Class
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 *
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 * @package    Smarty
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 * @subpackage Compiler
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 */
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class Smarty_Internal_Compile_Functionclose extends Smarty_Internal_CompileBase
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{
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    /**
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     * Compiler object
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     *
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     * @var object
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     */
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    private $compiler = null;
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    /**
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     * Compiles code for the {/function} tag
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     *
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     * @param array                                        $args     array with attributes from parser
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     * @param object|\Smarty_Internal_TemplateCompilerBase $compiler compiler object
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     *
101
     * @return bool true
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     */
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    public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
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    {
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        $this->compiler = $compiler;
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        $saved_data = $this->closeTag($compiler, array('function'));
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        $_attr = $saved_data[ 0 ];
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        $_name = trim($_attr[ 'name' ], '\'"');
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        $compiler->parent_compiler->tpl_function[ $_name ][ 'compiled_filepath' ] =
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            $compiler->parent_compiler->template->compiled->filepath;
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        $compiler->parent_compiler->tpl_function[ $_name ][ 'uid' ] = $compiler->template->source->uid;
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        $_parameter = $_attr;
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        unset($_parameter[ 'name' ]);
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        // default parameter
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        $_paramsArray = array();
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        foreach ($_parameter as $_key => $_value) {
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            if (is_int($_key)) {
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                $_paramsArray[] = "$_key=>$_value";
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            } else {
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                $_paramsArray[] = "'$_key'=>$_value";
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            }
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        }
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        if (!empty($_paramsArray)) {
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            $_params = 'array(' . implode(',', $_paramsArray) . ')';
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            $_paramsCode = "\$params = array_merge($_params, \$params);\n";
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        } else {
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            $_paramsCode = '';
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        }
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        $_functionCode = $compiler->parser->current_buffer;
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        // setup buffer for template function code
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        $compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template();
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        $_funcName = "smarty_template_function_{$_name}_{$compiler->template->compiled->nocache_hash}";
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        $_funcNameCaching = $_funcName . '_nocache';
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        if ($compiler->template->compiled->has_nocache_code) {
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            $compiler->parent_compiler->tpl_function[ $_name ][ 'call_name_caching' ] = $_funcNameCaching;
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            $output = "<?php\n";
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            $output .= $compiler->cStyleComment(" {$_funcNameCaching} ") . "\n";
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            $output .= "if (!function_exists('{$_funcNameCaching}')) {\n";
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            $output .= "function {$_funcNameCaching} (Smarty_Internal_Template \$_smarty_tpl,\$params) {\n";
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            $output .= "ob_start();\n";
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            $output .= $compiler->compileRequiredPlugins();
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            $output .= "\$_smarty_tpl->compiled->has_nocache_code = true;\n";
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            $output .= $_paramsCode;
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            $output .= "foreach (\$params as \$key => \$value) {\n\$_smarty_tpl->tpl_vars[\$key] = new Smarty_Variable(\$value, \$_smarty_tpl->isRenderingCache);\n}\n";
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            $output .= "\$params = var_export(\$params, true);\n";
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            $output .= "echo \"/*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/<?php ";
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            $output .= "\\\$_smarty_tpl->smarty->ext->_tplFunction->saveTemplateVariables(\\\$_smarty_tpl, '{$_name}');\nforeach (\$params as \\\$key => \\\$value) {\n\\\$_smarty_tpl->tpl_vars[\\\$key] = new Smarty_Variable(\\\$value, \\\$_smarty_tpl->isRenderingCache);\n}\n?>";
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            $output .= "/*/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/\";?>";
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            $compiler->parser->current_buffer->append_subtree(
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                $compiler->parser,
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                new Smarty_Internal_ParseTree_Tag(
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                    $compiler->parser,
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                    $output
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                )
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            );
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            $compiler->parser->current_buffer->append_subtree($compiler->parser, $_functionCode);
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            $output = "<?php echo \"/*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/<?php ";
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            $output .= "\\\$_smarty_tpl->smarty->ext->_tplFunction->restoreTemplateVariables(\\\$_smarty_tpl, '{$_name}');?>\n";
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            $output .= "/*/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/\";\n?>";
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            $output .= "<?php echo str_replace('{$compiler->template->compiled->nocache_hash}', \$_smarty_tpl->compiled->nocache_hash ?? '', ob_get_clean());\n";
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            $output .= "}\n}\n";
162
            $output .= $compiler->cStyleComment("/ {$_funcName}_nocache ") . "\n\n";
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            $output .= "?>\n";
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            $compiler->parser->current_buffer->append_subtree(
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                $compiler->parser,
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                new Smarty_Internal_ParseTree_Tag(
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                    $compiler->parser,
168
                    $output
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                )
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            );
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            $_functionCode = new Smarty_Internal_ParseTree_Tag(
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                $compiler->parser,
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                preg_replace_callback(
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                    "/((<\?php )?echo '\/\*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%\*\/([\S\s]*?)\/\*\/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%\*\/';(\?>\n)?)/",
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                    array($this, 'removeNocache'),
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                    $_functionCode->to_smarty_php($compiler->parser)
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                )
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            );
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        }
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        $compiler->parent_compiler->tpl_function[ $_name ][ 'call_name' ] = $_funcName;
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        $output = "<?php\n";
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        $output .= $compiler->cStyleComment(" {$_funcName} ") . "\n";
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        $output .= "if (!function_exists('{$_funcName}')) {\n";
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        $output .= "function {$_funcName}(Smarty_Internal_Template \$_smarty_tpl,\$params) {\n";
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        $output .= $_paramsCode;
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        $output .= "foreach (\$params as \$key => \$value) {\n\$_smarty_tpl->tpl_vars[\$key] = new Smarty_Variable(\$value, \$_smarty_tpl->isRenderingCache);\n}\n";
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        $output .= $compiler->compileCheckPlugins(array_merge($compiler->required_plugins[ 'compiled' ],
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            $compiler->required_plugins[ 'nocache' ]));
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        $output .= "?>\n";
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        $compiler->parser->current_buffer->append_subtree(
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            $compiler->parser,
192
            new Smarty_Internal_ParseTree_Tag(
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                $compiler->parser,
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                $output
195
            )
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        );
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        $compiler->parser->current_buffer->append_subtree($compiler->parser, $_functionCode);
198
        $output = "<?php\n}}\n";
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        $output .= $compiler->cStyleComment("/ {$_funcName} ") . "\n\n";
200
        $output .= "?>\n";
201
        $compiler->parser->current_buffer->append_subtree(
202
            $compiler->parser,
203
            new Smarty_Internal_ParseTree_Tag(
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                $compiler->parser,
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                $output
206
            )
207
        );
208
        $compiler->parent_compiler->blockOrFunctionCode .= $compiler->parser->current_buffer->to_smarty_php($compiler->parser);
209
        // restore old buffer
210
        $compiler->parser->current_buffer = $saved_data[ 1 ];
211
        // restore old status
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        $compiler->restoreRequiredPlugins();
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        $compiler->template->compiled->has_nocache_code = $saved_data[ 2 ];
214
        $compiler->template->caching = $saved_data[ 3 ];
215
        return true;
216
    }
217
 
218
    /**
219
     * Remove nocache code
220
     *
221
     * @param $match
222
     *
223
     * @return string
224
     */
225
    public function removeNocache($match)
226
    {
227
        $code =
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            preg_replace(
229
                "/((<\?php )?echo '\/\*%%SmartyNocache:{$this->compiler->template->compiled->nocache_hash}%%\*\/)|(\/\*\/%%SmartyNocache:{$this->compiler->template->compiled->nocache_hash}%%\*\/';(\?>\n)?)/",
230
                '',
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                $match[ 0 ]
232
            );
233
        $code = str_replace(array('\\\'', '\\\\\''), array('\'', '\\\''), $code);
234
        return $code;
235
    }
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}