ThinkPHP/Library/Vendor/Smarty/sysplugins/smarty_internal_compile_private_special_variable.php

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<?php
/**
 * Smarty Internal Plugin Compile Special Smarty Variable
 *
 * Compiles the special $smarty variables
 *
 * @package Smarty
 * @subpackage Compiler
 * @author Uwe Tews
 */

/**
 * Smarty Internal Plugin Compile special Smarty Variable Class
 *
 * @package Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Private_Special_Variable extends Smarty_Internal_CompileBase {

    /**
     * Compiles code for the speical $smarty variables
     *
     * @param array  $args     array with attributes from parser
     * @param object $compiler compiler object
     * @return string compiled code
     */
    public function compile($args, $compiler, $parameter)
    {
        $_index = preg_split("/\]\[/",substr($parameter, 1, strlen($parameter)-2));
        $compiled_ref = ' ';
        $variable = trim($_index[0], "'");
        switch ($variable) {
            case 'foreach':
                return "\$_smarty_tpl->getVariable('smarty')->value$parameter";
            case 'section':
                return "\$_smarty_tpl->getVariable('smarty')->value$parameter";
            case 'capture':
                return "Smarty::\$_smarty_vars$parameter";
            case 'now':
                return 'time()';
            case 'cookies':
                if (isset($compiler->smarty->security_policy) && !$compiler->smarty->security_policy->allow_super_globals) {
                    $compiler->trigger_template_error("(secure mode) super globals not permitted");
                    break;
                }
                $compiled_ref = '$_COOKIE';
                break;

            case 'get':
            case 'post':
            case 'env':
            case 'server':
            case 'session':
            case 'request':
                if (isset($compiler->smarty->security_policy) && !$compiler->smarty->security_policy->allow_super_globals) {
                    $compiler->trigger_template_error("(secure mode) super globals not permitted");
                    break;
                }
                $compiled_ref = '$_'.strtoupper($variable);
                break;