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139 root 1 <?php
2 // +----------------------------------------------------------------------+
3 // | PHP Version 4 |
4 // +----------------------------------------------------------------------+
5 // | Copyright (c) 1997-2004 The PHP Group |
6 // +----------------------------------------------------------------------+
7 // | This source file is subject to version 3.0 of the PHP license, |
8 // | that is bundled with this package in the file LICENSE, and is |
9 // | available at through the world-wide-web at |
10 // | http://www.php.net/license/3_0.txt. |
11 // | If you did not receive a copy of the PHP license and are unable to |
12 // | obtain it through the world-wide-web, please send a note to |
13 // | license@php.net so we can mail you a copy immediately. |
14 // +----------------------------------------------------------------------+
15 // | Authors: Aidan Lister <aidan@php.net> |
16 // +----------------------------------------------------------------------+
17 //
18 // $Id: php_strip_whitespace.php,v 1.10 2005/01/26 04:55:13 aidan Exp $
19  
20  
21 /**
22 * Replace php_strip_whitespace()
23 *
24 * @category PHP
25 * @package PHP_Compat
26 * @link http://php.net/function.php_strip_whitespace
27 * @author Aidan Lister <aidan@php.net>
28 * @version $Revision: 1.10 $
29 * @since PHP 5
30 * @require PHP 4.0.0 (user_error) + Tokenizer extension
31 */
32 if (!function_exists('php_strip_whitespace')) {
33 function php_strip_whitespace($file)
34 {
35 // Sanity check
36 if (!is_scalar($file)) {
37 user_error('php_strip_whitespace() expects parameter 1 to be string, ' .
38 gettype($file) . ' given', E_USER_WARNING);
39 return;
40 }
41  
42 // Load file / tokens
43 $source = implode('', file($file));
44 $tokens = token_get_all($source);
45  
46 // Init
47 $source = '';
48 $was_ws = false;
49  
50 // Process
51 foreach ($tokens as $token) {
52 if (is_string($token)) {
53 // Single character tokens
54 $source .= $token;
55 } else {
56 list($id, $text) = $token;
57  
58 switch ($id) {
59 // Skip all comments
60 case T_COMMENT:
61 case T_ML_COMMENT:
62 case T_DOC_COMMENT:
63 break;
64  
65 // Remove whitespace
66 case T_WHITESPACE:
67 // We don't want more than one whitespace in a row replaced
68 if ($was_ws !== true) {
69 $source .= ' ';
70 }
71 $was_ws = true;
72 break;
73  
74 default:
75 $was_ws = false;
76 $source .= $text;
77 break;
78 }
79 }
80 }
81  
82 return $source;
83 }
84 }
85  
130 kaklik 86 ?>