1 <?php

     2 /**

     3  * Smarty Internal Plugin Function Call Handler

     4  *

     5  * @package Smarty

     6  * @subpackage PluginsInternal

     7  * @author Uwe Tews

     8  */

     9 

    10 /**

    11  * This class does call function defined with the {function} tag

    12  *

    13  * @package Smarty

    14  * @subpackage PluginsInternal

    15  */

    16 class Smarty_Internal_Function_Call_Handler {

    17 

    18     /**

    19      * This function handles calls to template functions defined by {function}

    20      * It does create a PHP function at the first call

    21      *

    22      * @param string                   $_name       template function name

    23      * @param Smarty_Internal_Template $_template   template object

    24      * @param array                    $_params     Smarty variables passed as call parameter

    25      * @param string                   $_hash       nocache hash value

    26      * @param bool                     $_nocache    nocache flag

    27      */

    28     public static function call($_name, Smarty_Internal_Template $_template, $_params, $_hash, $_nocache)

    29     {

    30         if ($_nocache) {

    31             $_function = "smarty_template_function_{$_name}_nocache";

    32         } else {

    33             $_function = "smarty_template_function_{$_hash}_{$_name}";

    34         }

    35         if (!is_callable($_function)) {

    36             $_code = "function {$_function}(\$_smarty_tpl,\$params) {

    37     \$saved_tpl_vars = \$_smarty_tpl->tpl_vars;

    38     foreach (\$_smarty_tpl->smarty->template_functions['{$_name}']['parameter'] as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);};

    39     foreach (\$params as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);}?>";

    40             if ($_nocache) {

    41                 $_code .= preg_replace(array("!<\?php echo \\'/\*%%SmartyNocache:{$_template->smarty->template_functions[$_name]['nocache_hash']}%%\*/|/\*/%%SmartyNocache:{$_template->smarty->template_functions[$_name]['nocache_hash']}%%\*/\\';\?>!",

    42                         "!\\\'!"), array('', "'"), $_template->smarty->template_functions[$_name]['compiled']);

    43                 $_template->smarty->template_functions[$_name]['called_nocache'] = true;

    44             } else {

    45                 $_code .= preg_replace("/{$_template->smarty->template_functions[$_name]['nocache_hash']}/", $_template->properties['nocache_hash'], $_template->smarty->template_functions[$_name]['compiled']);

    46             }

    47             $_code .= "<?php \$_smarty_tpl->tpl_vars = \$saved_tpl_vars;}";

    48             eval($_code);

    49         }

    50         $_function($_template, $_params);

    51     }

    52 

    53 }

    54 

    55 ?>