friendica/library/Smarty/libs/sysplugins/smarty_internal_function_call_handler.php

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<?php
/**
* Smarty Internal Plugin Function Call Handler
*
* @package Smarty
* @subpackage PluginsInternal
* @author Uwe Tews
*/
/**
* This class does call function defined with the {function} tag
*
* @package Smarty
* @subpackage PluginsInternal
*/
class Smarty_Internal_Function_Call_Handler
{
/**
* This function handles calls to template functions defined by {function}
* It does create a PHP function at the first call
*
* @param string $_name template function name
* @param Smarty_Internal_Template $_template template object
* @param array $_params Smarty variables passed as call parameter
* @param string $_hash nocache hash value
* @param bool $_nocache nocache flag
*/
public static function call($_name, Smarty_Internal_Template $_template, $_params, $_hash, $_nocache)
{
if ($_nocache) {
$_function = "smarty_template_function_{$_name}_nocache";
} else {
$_function = "smarty_template_function_{$_hash}_{$_name}";
}
if (!is_callable($_function)) {
$_code = "function {$_function}(\$_smarty_tpl,\$params) {
\$saved_tpl_vars = \$_smarty_tpl->tpl_vars;
foreach (\$_smarty_tpl->smarty->template_functions['{$_name}']['parameter'] as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);};
foreach (\$params as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);}?>";
if ($_nocache) {
$_code .= preg_replace(array("!<\?php echo \\'/\*%%SmartyNocache:{$_template->smarty->template_functions[$_name]['nocache_hash']}%%\*/|/\*/%%SmartyNocache:{$_template->smarty->template_functions[$_name]['nocache_hash']}%%\*/\\';\?>!",
"!\\\'!"), array('', "'"), $_template->smarty->template_functions[$_name]['compiled']);
$_template->smarty->template_functions[$_name]['called_nocache'] = true;
} else {
$_code .= preg_replace("/{$_template->smarty->template_functions[$_name]['nocache_hash']}/", $_template->properties['nocache_hash'], $_template->smarty->template_functions[$_name]['compiled']);
}
$_code .= "<?php \$_smarty_tpl->tpl_vars = \$saved_tpl_vars;}";
eval($_code);
}
$_function($_template, $_params);
}
}