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 1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (http://nette.org)
 5:  *
 6:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
 7:  *
 8:  * For the full copyright and license information, please view
 9:  * the file license.txt that was distributed with this source code.
10:  */
11: 
12: namespace Nette\Utils;
13: 
14: use Nette;
15: 
16: 
17: /**
18:  * Limited scope for PHP code evaluation and script including.
19:  *
20:  * @author     David Grudl
21:  */
22: final class LimitedScope
23: {
24:     private static $vars;
25: 
26:     /**
27:      * Static class - cannot be instantiated.
28:      */
29:     final public function __construct()
30:     {
31:         throw new Nette\StaticClassException;
32:     }
33: 
34: 
35:     /**
36:      * Evaluates code in limited scope.
37:      * @param  string  PHP code
38:      * @param  array   local variables
39:      * @return mixed   the return value of the evaluated code
40:      */
41:     public static function evaluate(/*$code, array $vars = NULL*/)
42:     {
43:         if (func_num_args() > 1) {
44:             self::$vars = func_get_arg(1);
45:             extract(self::$vars);
46:         }
47:         $res = eval('?>' . func_get_arg(0));
48:         if ($res === FALSE && ($error = error_get_last()) && $error['type'] === E_PARSE) {
49:             throw new Nette\FatalErrorException($error['message'], 0, $error['type'], $error['file'], $error['line'], NULL);
50:         }
51:         return $res;
52:     }
53: 
54: 
55:     /**
56:      * Includes script in a limited scope.
57:      * @param  string  file to include
58:      * @param  array   local variables or TRUE meaning include once
59:      * @return mixed   the return value of the included file
60:      */
61:     public static function load(/*$file, array $vars = NULL*/)
62:     {
63:         if (func_num_args() > 1) {
64:             self::$vars = func_get_arg(1);
65:             if (self::$vars === TRUE) {
66:                 return require func_get_arg(0);
67:             }
68:             extract(self::$vars);
69:         }
70:         return require func_get_arg(0);
71:     }
72: 
73: }
74: 
Nette Framework 2.0.12 API API documentation generated by ApiGen 2.8.0