1
0
mirror of https://e.coding.net/circlecloud/MinecraftAccount.git synced 2024-11-17 00:58:55 +00:00
MinecraftAccount/ThinkPHP/Library/Vendor/Smarty/plugins/shared.literal_compiler_param.php
j502647092 2003fda7cb 首次提交...
Signed-off-by: j502647092 <jtb1@163.com>
2015-11-01 22:25:03 +08:00

34 lines
1000 B
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;
}