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: