ThinkPHP/Library/Vendor/Smarty/sysplugins/smarty_internal_templatebase.php

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<?php
/**
 * Smarty Internal Plugin Smarty Template  Base
 *
 * This file contains the basic shared methodes for template handling
 *
 * @package Smarty
 * @subpackage Template
 * @author Uwe Tews
 */

/**
 * Class with shared template methodes
 *
 * @package Smarty
 * @subpackage Template
 */
abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data {

    /**
     * fetches a rendered Smarty template
     *
     * @param string $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
     * @param bool   $display           true: display, false: fetch
     * @param bool   $merge_tpl_vars    if true parent template variables merged in to local scope
     * @param bool   $no_output_filter  if true do not run output filter
     * @return string rendered template output
     */
    public function fetch($template = null, $cache_id = null, $compile_id = null, $parent = null, $display = false, $merge_tpl_vars = true, $no_output_filter = false)
    {
        if ($template === null && $this instanceof $this->template_class) {
            $template = $this;
        }
        if (!empty($cache_id) && is_object($cache_id)) {
            $parent = $cache_id;
            $cache_id = null;
        }
        if ($parent === null && ($this instanceof Smarty || is_string($template))) {
            $parent = $this;
        }
        // create template object if necessary
        $_template = ($template instanceof $this->template_class)
            ? $template
            : $this->smarty->createTemplate($template, $cache_id, $compile_id, $parent, false);
        // if called by Smarty object make sure we use current caching status
        if ($this instanceof Smarty) {
            $_template->caching = $this->caching;
        }
        // merge all variable scopes into template
        if ($merge_tpl_vars) {
            // save local variables
            $save_tpl_vars = $_template->tpl_vars;
            $save_config_vars = $_template->config_vars;
            $ptr_array = array($_template);
            $ptr = $_template;
            while (isset($ptr->parent)) {
                $ptr_array[] = $ptr = $ptr->parent;