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: str_word_count.php,v 1.9 2005/02/28 11:45:28 aidan Exp $
|
---|
19 |
|
---|
20 |
|
---|
21 | /**
|
---|
22 | * Replace str_word_count()
|
---|
23 | *
|
---|
24 | * @category PHP
|
---|
25 | * @package PHP_Compat
|
---|
26 | * @link http://php.net/function.str_word_count
|
---|
27 | * @author Aidan Lister <aidan@php.net>
|
---|
28 | * @version $Revision: 1.9 $
|
---|
29 | * @since PHP 4.3.0
|
---|
30 | * @require PHP 4.0.0 (user_error)
|
---|
31 | */
|
---|
32 | if (!function_exists('str_word_count')) {
|
---|
33 | function str_word_count($string, $format = null)
|
---|
34 | {
|
---|
35 | if ($format !== 1 && $format !== 2 && $format !== null) {
|
---|
36 | user_error('str_word_count() The specified format parameter, "' . $format . '" is invalid',
|
---|
37 | E_USER_WARNING);
|
---|
38 | return false;
|
---|
39 | }
|
---|
40 |
|
---|
41 | $word_string = preg_replace('/[0-9]+/', '', $string);
|
---|
42 | $word_array = preg_split('/[^A-Za-z0-9_\']+/', $word_string, -1, PREG_SPLIT_NO_EMPTY);
|
---|
43 |
|
---|
44 | switch ($format) {
|
---|
45 | case null:
|
---|
46 | $result = count($word_array);
|
---|
47 | break;
|
---|
48 |
|
---|
49 | case 1:
|
---|
50 | $result = $word_array;
|
---|
51 | break;
|
---|
52 |
|
---|
53 | case 2:
|
---|
54 | $lastmatch = 0;
|
---|
55 | $word_assoc = array();
|
---|
56 | foreach ($word_array as $word) {
|
---|
57 | $word_assoc[$lastmatch = strpos($string, $word, $lastmatch)] = $word;
|
---|
58 | $lastmatch += strlen($word);
|
---|
59 | }
|
---|
60 | $result = $word_assoc;
|
---|
61 | break;
|
---|
62 | }
|
---|
63 |
|
---|
64 | return $result;
|
---|
65 | }
|
---|
66 | }
|
---|
67 |
|
---|
68 | ?> |
---|