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1 <?php 1 <?php
2 // +----------------------------------------------------------------------+ 2 // +----------------------------------------------------------------------+
3 // | PHP Version 4 | 3 // | PHP Version 4 |
4 // +----------------------------------------------------------------------+ 4 // +----------------------------------------------------------------------+
5 // | Copyright (c) 1997-2004 The PHP Group | 5 // | Copyright (c) 1997-2004 The PHP Group |
6 // +----------------------------------------------------------------------+ 6 // +----------------------------------------------------------------------+
7 // | This source file is subject to version 3.0 of the PHP license, | 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 | 8 // | that is bundled with this package in the file LICENSE, and is |
9 // | available at through the world-wide-web at | 9 // | available at through the world-wide-web at |
10 // | http://www.php.net/license/3_0.txt. | 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 | 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 | 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. | 13 // | license@php.net so we can mail you a copy immediately. |
14 // +----------------------------------------------------------------------+ 14 // +----------------------------------------------------------------------+
15 // | Authors: Aidan Lister <aidan@php.net> | 15 // | Authors: Aidan Lister <aidan@php.net> |
16 // +----------------------------------------------------------------------+ 16 // +----------------------------------------------------------------------+
17 // 17 //
18 // $Id: str_word_count.php,v 1.9 2005/02/28 11:45:28 aidan Exp $ 18 // $Id: str_word_count.php,v 1.9 2005/02/28 11:45:28 aidan Exp $
19   19  
20   20  
21 /** 21 /**
22 * Replace str_word_count() 22 * Replace str_word_count()
23 * 23 *
24 * @category PHP 24 * @category PHP
25 * @package PHP_Compat 25 * @package PHP_Compat
26 * @link http://php.net/function.str_word_count 26 * @link http://php.net/function.str_word_count
27 * @author Aidan Lister <aidan@php.net> 27 * @author Aidan Lister <aidan@php.net>
28 * @version $Revision: 1.9 $ 28 * @version $Revision: 1.9 $
29 * @since PHP 4.3.0 29 * @since PHP 4.3.0
30 * @require PHP 4.0.0 (user_error) 30 * @require PHP 4.0.0 (user_error)
31 */ 31 */
32 if (!function_exists('str_word_count')) { 32 if (!function_exists('str_word_count')) {
33 function str_word_count($string, $format = null) 33 function str_word_count($string, $format = null)
34 { 34 {
35 if ($format !== 1 && $format !== 2 && $format !== null) { 35 if ($format !== 1 && $format !== 2 && $format !== null) {
36 user_error('str_word_count() The specified format parameter, "' . $format . '" is invalid', 36 user_error('str_word_count() The specified format parameter, "' . $format . '" is invalid',
37 E_USER_WARNING); 37 E_USER_WARNING);
38 return false; 38 return false;
39 } 39 }
40   40  
41 $word_string = preg_replace('/[0-9]+/', '', $string); 41 $word_string = preg_replace('/[0-9]+/', '', $string);
42 $word_array = preg_split('/[^A-Za-z0-9_\']+/', $word_string, -1, PREG_SPLIT_NO_EMPTY); 42 $word_array = preg_split('/[^A-Za-z0-9_\']+/', $word_string, -1, PREG_SPLIT_NO_EMPTY);
43   43  
44 switch ($format) { 44 switch ($format) {
45 case null: 45 case null:
46 $result = count($word_array); 46 $result = count($word_array);
47 break; 47 break;
48   48  
49 case 1: 49 case 1:
50 $result = $word_array; 50 $result = $word_array;
51 break; 51 break;
52   52  
53 case 2: 53 case 2:
54 $lastmatch = 0; 54 $lastmatch = 0;
55 $word_assoc = array(); 55 $word_assoc = array();
56 foreach ($word_array as $word) { 56 foreach ($word_array as $word) {
57 $word_assoc[$lastmatch = strpos($string, $word, $lastmatch)] = $word; 57 $word_assoc[$lastmatch = strpos($string, $word, $lastmatch)] = $word;
58 $lastmatch += strlen($word); 58 $lastmatch += strlen($word);
59 } 59 }
60 $result = $word_assoc; 60 $result = $word_assoc;
61 break; 61 break;
62 } 62 }
63   63  
64 return $result; 64 return $result;
65 } 65 }
66 } 66 }
67   67  
68 ?> 68 ?>
69 69