36 lines
1.0 KiB
PHP
36 lines
1.0 KiB
PHP
<?php
|
|
/**
|
|
* Smarty plugin
|
|
*
|
|
* @package Smarty
|
|
* @subpackage PluginsShared
|
|
*/
|
|
/**
|
|
* evaluate compiler parameter
|
|
*
|
|
* @param array $params parameter array as given to the compiler function
|
|
* @param integer $index array index of the parameter to convert
|
|
* @param mixed $default value to be returned if the parameter is not present
|
|
*
|
|
* @return mixed evaluated value of parameter or $default
|
|
* @throws SmartyException if parameter is not a literal (but an expression, variable, …)
|
|
* @author Rodney Rehm
|
|
*/
|
|
function smarty_literal_compiler_param($params, $index, $default = null)
|
|
{
|
|
// not set, go default
|
|
if (!isset($params[ $index ])) {
|
|
return $default;
|
|
}
|
|
// test if param is a literal
|
|
if (!preg_match('/^([\'"]?)[a-zA-Z0-9-]+(\\1)$/', $params[ $index ])) {
|
|
throw new SmartyException(
|
|
'$param[' . $index .
|
|
'] is not a literal and is thus not evaluatable at compile time'
|
|
);
|
|
}
|
|
$t = null;
|
|
eval("\$t = " . $params[ $index ] . ";");
|
|
return $t;
|
|
}
|