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−<?php
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−/**
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− * Smarty Internal Plugin Function Call Handler
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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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−
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−/**
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− * This class does handles template functions defined with the {function} tag missing in cache file.
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− * It can happen when the template function was called with the nocache option or within a nocache section.
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− * The template function will be loaded from it's compiled template file, executed and added to the cache file
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− * for later use.
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− *
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− * @package    Smarty
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− * @subpackage PluginsInternal
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− */
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−class Smarty_Internal_Function_Call_Handler {
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−    /**
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−     * This function handles calls to template functions defined by {function}
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−     * It does create a PHP function at the first call
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−     *
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−     * @param string $_name template function name
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−     * @param Smarty_Internal_Template $_smarty_tpl
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−     * @param string $_function PHP function name
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−     * @param array $_params Smarty variables passed as call parameter
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−     * @param bool $_nocache nocache flag
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−     *
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−     * @return bool
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−     */
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−    public static function call($_name, Smarty_Internal_Template $_smarty_tpl, $_function, $_params, $_nocache) {
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−        $funcParam = $_smarty_tpl->properties['tpl_function'][$_name];
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−        if (is_file($funcParam['compiled_filepath'])) {
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−            // read compiled file
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−            $code = file_get_contents($funcParam['compiled_filepath']);
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−            // grab template function
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−            if (preg_match("/\/\* {$_function} \*\/([\S\s]*?)\/\*\/ {$_function} \*\//", $code, $match)) {
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−                // grab source info from file dependency
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−                preg_match("/\s*'{$funcParam['uid']}'([\S\s]*?)\),/", $code, $match1);
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−                unset($code);
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−                $output = '';
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−                // make PHP function known
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−                eval($match[0]);
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−                if (function_exists($_function)) {
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−                    // search cache file template
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−                    $tplPtr = $_smarty_tpl;
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−                    while (!isset($tplPtr->cached) && isset($tplPtr->parent)) {
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−                        $tplPtr = $tplPtr->parent;
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−                    }
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−                    // add template function code to cache file
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−                    if (isset($tplPtr->cached)) {
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−                        $cache = $tplPtr->cached;
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−                        $content = $cache->read($tplPtr);
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−                        if ($content) {
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−                            // check if we must update file dependency
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−                            if (!preg_match("/'{$funcParam['uid']}'([\S\s]*?)'nocache_hash'/", $content, $match2)) {
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−                                $content = preg_replace("/('file_dependency'([\S\s]*?)\()/", "\\1{$match1[0]}", $content);
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−                            }
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−                            $cache->write($tplPtr, $content . "<?php " . $match[0] . "?>\n");
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−                        }
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−                    }
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−                    return true;
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−                }
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−            }
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−        }
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−        return false;
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−    }
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−}